# Primitive Type u8

1.0.0
Expand description

The 8-bit unsigned integer type.

## Implementations§

Source§

### impl u8

1.43.0 · Source

#### pub const MIN: Self = 0u8

The smallest value that can be represented by this integer type.

##### §Examples

    assert_eq!(u8::MIN, 0);

1.43.0 · Source

#### pub const MAX: Self = 255u8

The largest value that can be represented by this integer type (28 − 1).

##### §Examples

    assert_eq!(u8::MAX, 255);

1.53.0 · Source

#### pub const BITS: u32 = 8u32

The size of this integer type in bits.

##### §Examples

    assert_eq!(u8::BITS, 8);

1.0.0 (const: 1.32.0) · Source

#### pub const fn count_ones(self) -> u32

Returns the number of ones in the binary representation of `self`.

##### §Examples

    let n = 0b01001100u8;
    assert_eq!(n.count_ones(), 3);

    let max = u8::MAX;
    assert_eq!(max.count_ones(), 8);

    let zero = 0u8;
    assert_eq!(zero.count_ones(), 0);

1.0.0 (const: 1.32.0) · Source

#### pub const fn count_zeros(self) -> u32

Returns the number of zeros in the binary representation of `self`.

##### §Examples

    let zero = 0u8;
    assert_eq!(zero.count_zeros(), 8);

    let max = u8::MAX;
    assert_eq!(max.count_zeros(), 0);

1.0.0 (const: 1.32.0) · Source

#### pub const fn leading_zeros(self) -> u32

Returns the number of leading zeros in the binary representation of `self`.

Depending on what you’re doing with the value, you might also be interested in the `ilog2` function which returns a consistent number, even if the type widens.

##### §Examples

    let n = u8::MAX >> 2;
    assert_eq!(n.leading_zeros(), 2);

    let zero = 0u8;
    assert_eq!(zero.leading_zeros(), 8);

    let max = u8::MAX;
    assert_eq!(max.leading_zeros(), 0);

1.0.0 (const: 1.32.0) · Source

#### pub const fn trailing_zeros(self) -> u32

Returns the number of trailing zeros in the binary representation of `self`.

##### §Examples

    let n = 0b0101000u8;
    assert_eq!(n.trailing_zeros(), 3);

    let zero = 0u8;
    assert_eq!(zero.trailing_zeros(), 8);

    let max = u8::MAX;
    assert_eq!(max.trailing_zeros(), 0);

1.46.0 (const: 1.46.0) · Source

#### pub const fn leading_ones(self) -> u32

Returns the number of leading ones in the binary representation of `self`.

##### §Examples

    let n = !(u8::MAX >> 2);
    assert_eq!(n.leading_ones(), 2);

    let zero = 0u8;
    assert_eq!(zero.leading_ones(), 0);

    let max = u8::MAX;
    assert_eq!(max.leading_ones(), 8);

1.46.0 (const: 1.46.0) · Source

#### pub const fn trailing_ones(self) -> u32

Returns the number of trailing ones in the binary representation of `self`.

##### §Examples

    let n = 0b1010111u8;
    assert_eq!(n.trailing_ones(), 3);

    let zero = 0u8;
    assert_eq!(zero.trailing_ones(), 0);

    let max = u8::MAX;
    assert_eq!(max.trailing_ones(), 8);

Source

#### pub const fn bit_width(self) -> u32

🔬This is a nightly-only experimental API. (`uint_bit_width` #142326)

Returns the minimum number of bits required to represent `self`.

This method returns zero if `self` is zero.

##### §Examples

    #![feature(uint_bit_width)]

    assert_eq!(0_u8.bit_width(), 0);
    assert_eq!(0b111_u8.bit_width(), 3);
    assert_eq!(0b1110_u8.bit_width(), 4);
    assert_eq!(u8::MAX.bit_width(), 8);

Source

#### pub const fn isolate_highest_one(self) -> Self

🔬This is a nightly-only experimental API. (`isolate_most_least_significant_one` #136909)

Returns `self` with only the most significant bit set, or `0` if the input is `0`.

##### §Examples

    #![feature(isolate_most_least_significant_one)]

    let n: u8 = 0b_01100100;

    assert_eq!(n.isolate_highest_one(), 0b_01000000);
    assert_eq!(0_u8.isolate_highest_one(), 0);

Source

#### pub const fn isolate_lowest_one(self) -> Self

🔬This is a nightly-only experimental API. (`isolate_most_least_significant_one` #136909)

Returns `self` with only the least significant bit set, or `0` if the input is `0`.

##### §Examples

    #![feature(isolate_most_least_significant_one)]

    let n: u8 = 0b_01100100;

    assert_eq!(n.isolate_lowest_one(), 0b_00000100);
    assert_eq!(0_u8.isolate_lowest_one(), 0);

1.87.0 (const: 1.87.0) · Source

#### pub const fn cast_signed(self) -> i8

Returns the bit pattern of `self` reinterpreted as a signed integer of the same size.

This produces the same result as an `as` cast, but ensures that the bit-width remains the same.

##### §Examples

    let n = u8::MAX;

    assert_eq!(n.cast_signed(), -1i8);

1.0.0 (const: 1.32.0) · Source

#### pub const fn rotate_left(self, n: u32) -> Self

Shifts the bits to the left by a specified amount, `n`, wrapping the truncated bits to the end of the resulting integer.

Please note this isn’t the same operation as the `<<` shifting operator!

##### §Examples

    let n = 0x82u8;
    let m = 0xa;

    assert_eq!(n.rotate_left(2), m);

1.0.0 (const: 1.32.0) · Source

#### pub const fn rotate_right(self, n: u32) -> Self

Shifts the bits to the right by a specified amount, `n`, wrapping the truncated bits to the beginning of the resulting integer.

Please note this isn’t the same operation as the `>>` shifting operator!

##### §Examples

    let n = 0xau8;
    let m = 0x82;

    assert_eq!(n.rotate_right(2), m);

1.0.0 (const: 1.32.0) · Source

#### pub const fn swap_bytes(self) -> Self

Reverses the byte order of the integer.

##### §Examples

    let n = 0x12u8;
    let m = n.swap_bytes();

    assert_eq!(m, 0x12);

1.37.0 (const: 1.37.0) · Source

#### pub const fn reverse_bits(self) -> Self

Reverses the order of bits in the integer. The least significant bit becomes the most significant bit, second least-significant bit becomes second most-significant bit, etc.

##### §Examples

    let n = 0x12u8;
    let m = n.reverse_bits();

    assert_eq!(m, 0x48);
    assert_eq!(0, 0u8.reverse_bits());

1.0.0 (const: 1.32.0) · Source

#### pub const fn from_be(x: Self) -> Self

Converts an integer from big endian to the target’s endianness.

On big endian this is a no-op. On little endian the bytes are swapped.

##### §Examples

    let n = 0x1Au8;

    if cfg!(target_endian = "big") {
        assert_eq!(u8::from_be(n), n)
    } else {
        assert_eq!(u8::from_be(n), n.swap_bytes())
    }

1.0.0 (const: 1.32.0) · Source

#### pub const fn from_le(x: Self) -> Self

Converts an integer from little endian to the target’s endianness.

On little endian this is a no-op. On big endian the bytes are swapped.

##### §Examples

    let n = 0x1Au8;

    if cfg!(target_endian = "little") {
        assert_eq!(u8::from_le(n), n)
    } else {
        assert_eq!(u8::from_le(n), n.swap_bytes())
    }

1.0.0 (const: 1.32.0) · Source

#### pub const fn to_be(self) -> Self

Converts `self` to big endian from the target’s endianness.

On big endian this is a no-op. On little endian the bytes are swapped.

##### §Examples

    let n = 0x1Au8;

    if cfg!(target_endian = "big") {
        assert_eq!(n.to_be(), n)
    } else {
        assert_eq!(n.to_be(), n.swap_bytes())
    }

1.0.0 (const: 1.32.0) · Source

#### pub const fn to_le(self) -> Self

Converts `self` to little endian from the target’s endianness.

On little endian this is a no-op. On big endian the bytes are swapped.

##### §Examples

    let n = 0x1Au8;

    if cfg!(target_endian = "little") {
        assert_eq!(n.to_le(), n)
    } else {
        assert_eq!(n.to_le(), n.swap_bytes())
    }

1.0.0 (const: 1.47.0) · Source

#### pub const fn checked_add(self, rhs: Self) -> Option<Self>

Checked integer addition. Computes `self + rhs`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!((u8::MAX - 2).checked_add(1), Some(u8::MAX - 1));
    assert_eq!((u8::MAX - 2).checked_add(3), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_add(self, rhs: Self) -> Self

Strict integer addition. Computes `self + rhs`, panicking if overflow occurred.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!((u8::MAX - 2).strict_add(1), u8::MAX - 1);

The following panics because of overflow:

ⓘ

    let _ = (u8::MAX - 2).strict_add(3);

1.79.0 (const: 1.79.0) · Source

#### pub const unsafe fn unchecked_add(self, rhs: Self) -> Self

Unchecked integer addition. Computes `self + rhs`, assuming overflow cannot occur.

Calling `x.unchecked_add(y)` is semantically equivalent to calling `x.``checked_add``(y).``unwrap_unchecked``()`.

If you’re just trying to avoid the panic in debug mode, then do not use this. Instead, you’re looking for `wrapping_add`.

##### §Safety

This results in undefined behavior when `self + rhs > u8::MAX` or `self + rhs < u8::MIN`, i.e. when `checked_add` would return `None`.

1.66.0 (const: 1.66.0) · Source

#### pub const fn checked_add_signed(self, rhs: i8) -> Option<Self>

Checked addition with a signed integer. Computes `self + rhs`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!(1u8.checked_add_signed(2), Some(3));
    assert_eq!(1u8.checked_add_signed(-2), None);
    assert_eq!((u8::MAX - 2).checked_add_signed(3), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_add_signed(self, rhs: i8) -> Self

Strict addition with a signed integer. Computes `self + rhs`, panicking if overflow occurred.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(1u8.strict_add_signed(2), 3);

The following panic because of overflow:

ⓘ

    let _ = 1u8.strict_add_signed(-2);

ⓘ

    let _ = (u8::MAX - 2).strict_add_signed(3);

1.0.0 (const: 1.47.0) · Source

#### pub const fn checked_sub(self, rhs: Self) -> Option<Self>

Checked integer subtraction. Computes `self - rhs`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!(1u8.checked_sub(1), Some(0));
    assert_eq!(0u8.checked_sub(1), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_sub(self, rhs: Self) -> Self

Strict integer subtraction. Computes `self - rhs`, panicking if overflow occurred.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(1u8.strict_sub(1), 0);

The following panics because of overflow:

ⓘ

    let _ = 0u8.strict_sub(1);

1.79.0 (const: 1.79.0) · Source

#### pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self

Unchecked integer subtraction. Computes `self - rhs`, assuming overflow cannot occur.

Calling `x.unchecked_sub(y)` is semantically equivalent to calling `x.``checked_sub``(y).``unwrap_unchecked``()`.

If you’re just trying to avoid the panic in debug mode, then do not use this. Instead, you’re looking for `wrapping_sub`.

If you find yourself writing code like this:

    if foo >= bar {
        // SAFETY: just checked it will not overflow
        let diff = unsafe { foo.unchecked_sub(bar) };
        // ... use diff ...
    }

Consider changing it to

    if let Some(diff) = foo.checked_sub(bar) {
        // ... use diff ...
    }

As that does exactly the same thing – including telling the optimizer that the subtraction cannot overflow – but avoids needing `unsafe`.

##### §Safety

This results in undefined behavior when `self - rhs > u8::MAX` or `self - rhs < u8::MIN`, i.e. when `checked_sub` would return `None`.

1.90.0 (const: 1.90.0) · Source

#### pub const fn checked_sub_signed(self, rhs: i8) -> Option<Self>

Checked subtraction with a signed integer. Computes `self - rhs`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!(1u8.checked_sub_signed(2), None);
    assert_eq!(1u8.checked_sub_signed(-2), Some(3));
    assert_eq!((u8::MAX - 2).checked_sub_signed(-4), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_sub_signed(self, rhs: i8) -> Self

Strict subtraction with a signed integer. Computes `self - rhs`, panicking if overflow occurred.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(3u8.strict_sub_signed(2), 1);

The following panic because of overflow:

ⓘ

    let _ = 1u8.strict_sub_signed(2);

ⓘ

    let _ = (u8::MAX).strict_sub_signed(-1);

1.91.0 (const: 1.91.0) · Source

#### pub const fn checked_signed_diff(self, rhs: Self) -> Option<i8>

Checked integer subtraction. Computes `self - rhs` and checks if the result fits into an `i8`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!(10u8.checked_signed_diff(2), Some(8));
    assert_eq!(2u8.checked_signed_diff(10), Some(-8));
    assert_eq!(u8::MAX.checked_signed_diff(i8::MAX as u8), None);
    assert_eq!((i8::MAX as u8).checked_signed_diff(u8::MAX), Some(i8::MIN));
    assert_eq!((i8::MAX as u8 + 1).checked_signed_diff(0), None);
    assert_eq!(u8::MAX.checked_signed_diff(u8::MAX), Some(0));

1.0.0 (const: 1.47.0) · Source

#### pub const fn checked_mul(self, rhs: Self) -> Option<Self>

Checked integer multiplication. Computes `self * rhs`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!(5u8.checked_mul(1), Some(5));
    assert_eq!(u8::MAX.checked_mul(2), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_mul(self, rhs: Self) -> Self

Strict integer multiplication. Computes `self * rhs`, panicking if overflow occurred.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(5u8.strict_mul(1), 5);

The following panics because of overflow:

ⓘ

    let _ = u8::MAX.strict_mul(2);

1.79.0 (const: 1.79.0) · Source

#### pub const unsafe fn unchecked_mul(self, rhs: Self) -> Self

Unchecked integer multiplication. Computes `self * rhs`, assuming overflow cannot occur.

Calling `x.unchecked_mul(y)` is semantically equivalent to calling `x.``checked_mul``(y).``unwrap_unchecked``()`.

If you’re just trying to avoid the panic in debug mode, then do not use this. Instead, you’re looking for `wrapping_mul`.

##### §Safety

This results in undefined behavior when `self * rhs > u8::MAX` or `self * rhs < u8::MIN`, i.e. when `checked_mul` would return `None`.

1.0.0 (const: 1.52.0) · Source

#### pub const fn checked_div(self, rhs: Self) -> Option<Self>

Checked integer division. Computes `self / rhs`, returning `None` if `rhs == 0`.

##### §Examples

    assert_eq!(128u8.checked_div(2), Some(64));
    assert_eq!(1u8.checked_div(0), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_div(self, rhs: Self) -> Self

Strict integer division. Computes `self / rhs`.

Strict division on unsigned types is just normal division. There’s no way overflow could ever happen. This function exists so that all operations are accounted for in the strict operations.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.strict_div(10), 10);

The following panics because of division by zero:

ⓘ

    let _ = (1u8).strict_div(0);

1.38.0 (const: 1.52.0) · Source

#### pub const fn checked_div_euclid(self, rhs: Self) -> Option<Self>

Checked Euclidean division. Computes `self.div_euclid(rhs)`, returning `None` if `rhs == 0`.

##### §Examples

    assert_eq!(128u8.checked_div_euclid(2), Some(64));
    assert_eq!(1u8.checked_div_euclid(0), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_div_euclid(self, rhs: Self) -> Self

Strict Euclidean division. Computes `self.div_euclid(rhs)`.

Strict division on unsigned types is just normal division. There’s no way overflow could ever happen. This function exists so that all operations are accounted for in the strict operations. Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self.strict_div(rhs)`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.strict_div_euclid(10), 10);

The following panics because of division by zero:

ⓘ

    let _ = (1u8).strict_div_euclid(0);

Source

#### pub const fn checked_exact_div(self, rhs: Self) -> Option<Self>

🔬This is a nightly-only experimental API. (`exact_div` #139911)

Checked integer division without remainder. Computes `self / rhs`, returning `None` if `rhs == 0` or if `self % rhs != 0`.

##### §Examples

    #![feature(exact_div)]
    assert_eq!(64u8.checked_exact_div(2), Some(32));
    assert_eq!(64u8.checked_exact_div(32), Some(2));
    assert_eq!(64u8.checked_exact_div(0), None);
    assert_eq!(65u8.checked_exact_div(2), None);

Source

#### pub const fn exact_div(self, rhs: Self) -> Self

🔬This is a nightly-only experimental API. (`exact_div` #139911)

Checked integer division without remainder. Computes `self / rhs`.

##### §Panics

This function will panic if `rhs == 0` or `self % rhs != 0`.

##### §Examples

    #![feature(exact_div)]
    assert_eq!(64u8.exact_div(2), 32);
    assert_eq!(64u8.exact_div(32), 2);

ⓘ

    #![feature(exact_div)]
    let _ = 65u8.exact_div(2);

Source

#### pub const unsafe fn unchecked_exact_div(self, rhs: Self) -> Self

🔬This is a nightly-only experimental API. (`exact_div` #139911)

Unchecked integer division without remainder. Computes `self / rhs`.

##### §Safety

This results in undefined behavior when `rhs == 0` or `self % rhs != 0`, i.e. when `checked_exact_div` would return `None`.

1.7.0 (const: 1.52.0) · Source

#### pub const fn checked_rem(self, rhs: Self) -> Option<Self>

Checked integer remainder. Computes `self % rhs`, returning `None` if `rhs == 0`.

##### §Examples

    assert_eq!(5u8.checked_rem(2), Some(1));
    assert_eq!(5u8.checked_rem(0), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_rem(self, rhs: Self) -> Self

Strict integer remainder. Computes `self % rhs`.

Strict remainder calculation on unsigned types is just the regular remainder calculation. There’s no way overflow could ever happen. This function exists so that all operations are accounted for in the strict operations.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.strict_rem(10), 0);

The following panics because of division by zero:

ⓘ

    let _ = 5u8.strict_rem(0);

1.38.0 (const: 1.52.0) · Source

#### pub const fn checked_rem_euclid(self, rhs: Self) -> Option<Self>

Checked Euclidean modulo. Computes `self.rem_euclid(rhs)`, returning `None` if `rhs == 0`.

##### §Examples

    assert_eq!(5u8.checked_rem_euclid(2), Some(1));
    assert_eq!(5u8.checked_rem_euclid(0), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_rem_euclid(self, rhs: Self) -> Self

Strict Euclidean modulo. Computes `self.rem_euclid(rhs)`.

Strict modulo calculation on unsigned types is just the regular remainder calculation. There’s no way overflow could ever happen. This function exists so that all operations are accounted for in the strict operations. Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self.strict_rem(rhs)`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.strict_rem_euclid(10), 0);

The following panics because of division by zero:

ⓘ

    let _ = 5u8.strict_rem_euclid(0);

Source

#### pub const unsafe fn unchecked_disjoint_bitor(self, other: Self) -> Self

🔬This is a nightly-only experimental API. (`disjoint_bitor` #135758)

Same value as `self | other`, but UB if any bit position is set in both inputs.

This is a situational micro-optimization for places where you’d rather use addition on some platforms and bitwise or on other platforms, based on exactly which instructions combine better with whatever else you’re doing. Note that there’s no reason to bother using this for places where it’s clear from the operations involved that they can’t overlap. For example, if you’re combining `u16`s into a `u32` with `((a as u32) << 16) | (b as u32)`, that’s fine, as the backend will know those sides of the `|` are disjoint without needing help.

##### §Examples

    #![feature(disjoint_bitor)]

    // SAFETY: `1` and `4` have no bits in common.
    unsafe {
        assert_eq!(1_u8.unchecked_disjoint_bitor(4), 5);
    }

##### §Safety

Requires that `(self & other) == 0`, otherwise it’s immediate UB.

Equivalently, requires that `(self | other) == (self + other)`.

1.67.0 (const: 1.67.0) · Source

#### pub const fn ilog(self, base: Self) -> u32

Returns the logarithm of the number with respect to an arbitrary base, rounded down.

This method might not be optimized owing to implementation details; `ilog2` can produce results more efficiently for base 2, and `ilog10` can produce results more efficiently for base 10.

##### §Panics

This function will panic if `self` is zero, or if `base` is less than 2.

##### §Examples

    assert_eq!(5u8.ilog(5), 1);

1.67.0 (const: 1.67.0) · Source

#### pub const fn ilog2(self) -> u32

Returns the base 2 logarithm of the number, rounded down.

##### §Panics

This function will panic if `self` is zero.

##### §Examples

    assert_eq!(2u8.ilog2(), 1);

1.67.0 (const: 1.67.0) · Source

#### pub const fn ilog10(self) -> u32

Returns the base 10 logarithm of the number, rounded down.

##### §Panics

This function will panic if `self` is zero.

##### §Example

    assert_eq!(10u8.ilog10(), 1);

1.67.0 (const: 1.67.0) · Source

#### pub const fn checked_ilog(self, base: Self) -> Option<u32>

Returns the logarithm of the number with respect to an arbitrary base, rounded down.

Returns `None` if the number is zero, or if the base is not at least 2.

This method might not be optimized owing to implementation details; `checked_ilog2` can produce results more efficiently for base 2, and `checked_ilog10` can produce results more efficiently for base 10.

##### §Examples

    assert_eq!(5u8.checked_ilog(5), Some(1));

1.67.0 (const: 1.67.0) · Source

#### pub const fn checked_ilog2(self) -> Option<u32>

Returns the base 2 logarithm of the number, rounded down.

Returns `None` if the number is zero.

##### §Examples

    assert_eq!(2u8.checked_ilog2(), Some(1));

1.67.0 (const: 1.67.0) · Source

#### pub const fn checked_ilog10(self) -> Option<u32>

Returns the base 10 logarithm of the number, rounded down.

Returns `None` if the number is zero.

##### §Examples

    assert_eq!(10u8.checked_ilog10(), Some(1));

1.7.0 (const: 1.47.0) · Source

#### pub const fn checked_neg(self) -> Option<Self>

Checked negation. Computes `-self`, returning `None` unless `self == 0`.

Note that negating any positive integer will overflow.

##### §Examples

    assert_eq!(0u8.checked_neg(), Some(0));
    assert_eq!(1u8.checked_neg(), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_neg(self) -> Self

Strict negation. Computes `-self`, panicking unless `self == 0`.

Note that negating any positive integer will overflow.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(0u8.strict_neg(), 0);

The following panics because of overflow:

ⓘ

    let _ = 1u8.strict_neg();

1.7.0 (const: 1.47.0) · Source

#### pub const fn checked_shl(self, rhs: u32) -> Option<Self>

Checked shift left. Computes `self << rhs`, returning `None` if `rhs` is larger than or equal to the number of bits in `self`.

##### §Examples

    assert_eq!(0x1u8.checked_shl(4), Some(0x10));
    assert_eq!(0x10u8.checked_shl(129), None);
    assert_eq!(0x10u8.checked_shl(7), Some(0));

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_shl(self, rhs: u32) -> Self

Strict shift left. Computes `self << rhs`, panicking if `rhs` is larger than or equal to the number of bits in `self`.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(0x1u8.strict_shl(4), 0x10);

The following panics because of overflow:

ⓘ

    let _ = 0x10u8.strict_shl(129);

Source

#### pub const unsafe fn unchecked_shl(self, rhs: u32) -> Self

🔬This is a nightly-only experimental API. (`unchecked_shifts` #85122)

Unchecked shift left. Computes `self << rhs`, assuming that `rhs` is less than the number of bits in `self`.

##### §Safety

This results in undefined behavior if `rhs` is larger than or equal to the number of bits in `self`, i.e. when `checked_shl` would return `None`.

1.87.0 (const: 1.87.0) · Source

#### pub const fn unbounded_shl(self, rhs: u32) -> u8

Unbounded shift left. Computes `self << rhs`, without bounding the value of `rhs`.

If `rhs` is larger or equal to the number of bits in `self`, the entire value is shifted out, and `0` is returned.

##### §Examples

    assert_eq!(0x1u8.unbounded_shl(4), 0x10);
    assert_eq!(0x1u8.unbounded_shl(129), 0);

1.7.0 (const: 1.47.0) · Source

#### pub const fn checked_shr(self, rhs: u32) -> Option<Self>

Checked shift right. Computes `self >> rhs`, returning `None` if `rhs` is larger than or equal to the number of bits in `self`.

##### §Examples

    assert_eq!(0x10u8.checked_shr(4), Some(0x1));
    assert_eq!(0x10u8.checked_shr(129), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_shr(self, rhs: u32) -> Self

Strict shift right. Computes `self >> rhs`, panicking `rhs` is larger than or equal to the number of bits in `self`.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(0x10u8.strict_shr(4), 0x1);

The following panics because of overflow:

ⓘ

    let _ = 0x10u8.strict_shr(129);

Source

#### pub const unsafe fn unchecked_shr(self, rhs: u32) -> Self

🔬This is a nightly-only experimental API. (`unchecked_shifts` #85122)

Unchecked shift right. Computes `self >> rhs`, assuming that `rhs` is less than the number of bits in `self`.

##### §Safety

This results in undefined behavior if `rhs` is larger than or equal to the number of bits in `self`, i.e. when `checked_shr` would return `None`.

1.87.0 (const: 1.87.0) · Source

#### pub const fn unbounded_shr(self, rhs: u32) -> u8

Unbounded shift right. Computes `self >> rhs`, without bounding the value of `rhs`.

If `rhs` is larger or equal to the number of bits in `self`, the entire value is shifted out, and `0` is returned.

##### §Examples

    assert_eq!(0x10u8.unbounded_shr(4), 0x1);
    assert_eq!(0x10u8.unbounded_shr(129), 0);

1.34.0 (const: 1.50.0) · Source

#### pub const fn checked_pow(self, exp: u32) -> Option<Self>

Checked exponentiation. Computes `self.pow(exp)`, returning `None` if overflow occurred.

##### §Examples

    assert_eq!(2u8.checked_pow(5), Some(32));
    assert_eq!(u8::MAX.checked_pow(2), None);

1.91.0 (const: 1.91.0) · Source

#### pub const fn strict_pow(self, exp: u32) -> Self

Strict exponentiation. Computes `self.pow(exp)`, panicking if overflow occurred.

##### §Panics

###### §Overflow behavior

This function will always panic on overflow, regardless of whether overflow checks are enabled.

##### §Examples

    assert_eq!(2u8.strict_pow(5), 32);

The following panics because of overflow:

ⓘ

    let _ = u8::MAX.strict_pow(2);

1.0.0 (const: 1.47.0) · Source

#### pub const fn saturating_add(self, rhs: Self) -> Self

Saturating integer addition. Computes `self + rhs`, saturating at the numeric bounds instead of overflowing.

##### §Examples

    assert_eq!(100u8.saturating_add(1), 101);
    assert_eq!(u8::MAX.saturating_add(127), u8::MAX);

1.66.0 (const: 1.66.0) · Source

#### pub const fn saturating_add_signed(self, rhs: i8) -> Self

Saturating addition with a signed integer. Computes `self + rhs`, saturating at the numeric bounds instead of overflowing.

##### §Examples

    assert_eq!(1u8.saturating_add_signed(2), 3);
    assert_eq!(1u8.saturating_add_signed(-2), 0);
    assert_eq!((u8::MAX - 2).saturating_add_signed(4), u8::MAX);

1.0.0 (const: 1.47.0) · Source

#### pub const fn saturating_sub(self, rhs: Self) -> Self

Saturating integer subtraction. Computes `self - rhs`, saturating at the numeric bounds instead of overflowing.

##### §Examples

    assert_eq!(100u8.saturating_sub(27), 73);
    assert_eq!(13u8.saturating_sub(127), 0);

1.90.0 (const: 1.90.0) · Source

#### pub const fn saturating_sub_signed(self, rhs: i8) -> Self

Saturating integer subtraction. Computes `self` - `rhs`, saturating at the numeric bounds instead of overflowing.

##### §Examples

    assert_eq!(1u8.saturating_sub_signed(2), 0);
    assert_eq!(1u8.saturating_sub_signed(-2), 3);
    assert_eq!((u8::MAX - 2).saturating_sub_signed(-4), u8::MAX);

1.7.0 (const: 1.47.0) · Source

#### pub const fn saturating_mul(self, rhs: Self) -> Self

Saturating integer multiplication. Computes `self * rhs`, saturating at the numeric bounds instead of overflowing.

##### §Examples

    assert_eq!(2u8.saturating_mul(10), 20);
    assert_eq!((u8::MAX).saturating_mul(10), u8::MAX);

1.58.0 (const: 1.58.0) · Source

#### pub const fn saturating_div(self, rhs: Self) -> Self

Saturating integer division. Computes `self / rhs`, saturating at the numeric bounds instead of overflowing.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(5u8.saturating_div(2), 2);

1.34.0 (const: 1.50.0) · Source

#### pub const fn saturating_pow(self, exp: u32) -> Self

Saturating integer exponentiation. Computes `self.pow(exp)`, saturating at the numeric bounds instead of overflowing.

##### §Examples

    assert_eq!(4u8.saturating_pow(3), 64);
    assert_eq!(u8::MAX.saturating_pow(2), u8::MAX);

1.0.0 (const: 1.32.0) · Source

#### pub const fn wrapping_add(self, rhs: Self) -> Self

Wrapping (modular) addition. Computes `self + rhs`, wrapping around at the boundary of the type.

##### §Examples

    assert_eq!(200u8.wrapping_add(55), 255);
    assert_eq!(200u8.wrapping_add(u8::MAX), 199);

1.66.0 (const: 1.66.0) · Source

#### pub const fn wrapping_add_signed(self, rhs: i8) -> Self

Wrapping (modular) addition with a signed integer. Computes `self + rhs`, wrapping around at the boundary of the type.

##### §Examples

    assert_eq!(1u8.wrapping_add_signed(2), 3);
    assert_eq!(1u8.wrapping_add_signed(-2), u8::MAX);
    assert_eq!((u8::MAX - 2).wrapping_add_signed(4), 1);

1.0.0 (const: 1.32.0) · Source

#### pub const fn wrapping_sub(self, rhs: Self) -> Self

Wrapping (modular) subtraction. Computes `self - rhs`, wrapping around at the boundary of the type.

##### §Examples

    assert_eq!(100u8.wrapping_sub(100), 0);
    assert_eq!(100u8.wrapping_sub(u8::MAX), 101);

1.90.0 (const: 1.90.0) · Source

#### pub const fn wrapping_sub_signed(self, rhs: i8) -> Self

Wrapping (modular) subtraction with a signed integer. Computes `self - rhs`, wrapping around at the boundary of the type.

##### §Examples

    assert_eq!(1u8.wrapping_sub_signed(2), u8::MAX);
    assert_eq!(1u8.wrapping_sub_signed(-2), 3);
    assert_eq!((u8::MAX - 2).wrapping_sub_signed(-4), 1);

1.0.0 (const: 1.32.0) · Source

#### pub const fn wrapping_mul(self, rhs: Self) -> Self

Wrapping (modular) multiplication. Computes `self * rhs`, wrapping around at the boundary of the type.

##### §Examples

Please note that this example is shared between integer types. Which explains why `u8` is used here.

    assert_eq!(10u8.wrapping_mul(12), 120);
    assert_eq!(25u8.wrapping_mul(12), 44);

1.2.0 (const: 1.52.0) · Source

#### pub const fn wrapping_div(self, rhs: Self) -> Self

Wrapping (modular) division. Computes `self / rhs`.

Wrapped division on unsigned types is just normal division. There’s no way wrapping could ever happen. This function exists so that all operations are accounted for in the wrapping operations.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.wrapping_div(10), 10);

1.38.0 (const: 1.52.0) · Source

#### pub const fn wrapping_div_euclid(self, rhs: Self) -> Self

Wrapping Euclidean division. Computes `self.div_euclid(rhs)`.

Wrapped division on unsigned types is just normal division. There’s no way wrapping could ever happen. This function exists so that all operations are accounted for in the wrapping operations. Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self.wrapping_div(rhs)`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.wrapping_div_euclid(10), 10);

1.2.0 (const: 1.52.0) · Source

#### pub const fn wrapping_rem(self, rhs: Self) -> Self

Wrapping (modular) remainder. Computes `self % rhs`.

Wrapped remainder calculation on unsigned types is just the regular remainder calculation. There’s no way wrapping could ever happen. This function exists so that all operations are accounted for in the wrapping operations.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.wrapping_rem(10), 0);

1.38.0 (const: 1.52.0) · Source

#### pub const fn wrapping_rem_euclid(self, rhs: Self) -> Self

Wrapping Euclidean modulo. Computes `self.rem_euclid(rhs)`.

Wrapped modulo calculation on unsigned types is just the regular remainder calculation. There’s no way wrapping could ever happen. This function exists so that all operations are accounted for in the wrapping operations. Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self.wrapping_rem(rhs)`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(100u8.wrapping_rem_euclid(10), 0);

1.2.0 (const: 1.32.0) · Source

#### pub const fn wrapping_neg(self) -> Self

Wrapping (modular) negation. Computes `-self`, wrapping around at the boundary of the type.

Since unsigned types do not have negative equivalents all applications of this function will wrap (except for `-0`). For values smaller than the corresponding signed type’s maximum the result is the same as casting the corresponding signed value. Any larger values are equivalent to `MAX + 1 - (val - MAX - 1)` where `MAX` is the corresponding signed type’s maximum.

##### §Examples

    assert_eq!(0_u8.wrapping_neg(), 0);
    assert_eq!(u8::MAX.wrapping_neg(), 1);
    assert_eq!(13_u8.wrapping_neg(), (!13) + 1);
    assert_eq!(42_u8.wrapping_neg(), !(42 - 1));

1.2.0 (const: 1.32.0) · Source

#### pub const fn wrapping_shl(self, rhs: u32) -> Self

Panic-free bitwise shift-left; yields `self << mask(rhs)`, where `mask` removes any high-order bits of `rhs` that would cause the shift to exceed the bitwidth of the type.

Note that this is not the same as a rotate-left; the RHS of a wrapping shift-left is restricted to the range of the type, rather than the bits shifted out of the LHS being returned to the other end. The primitive integer types all implement a `rotate_left` function, which may be what you want instead.

##### §Examples

    assert_eq!(1u8.wrapping_shl(7), 128);
    assert_eq!(1u8.wrapping_shl(128), 1);

1.2.0 (const: 1.32.0) · Source

#### pub const fn wrapping_shr(self, rhs: u32) -> Self

Panic-free bitwise shift-right; yields `self >> mask(rhs)`, where `mask` removes any high-order bits of `rhs` that would cause the shift to exceed the bitwidth of the type.

Note that this is not the same as a rotate-right; the RHS of a wrapping shift-right is restricted to the range of the type, rather than the bits shifted out of the LHS being returned to the other end. The primitive integer types all implement a `rotate_right` function, which may be what you want instead.

##### §Examples

    assert_eq!(128u8.wrapping_shr(7), 1);
    assert_eq!(128u8.wrapping_shr(128), 128);

1.34.0 (const: 1.50.0) · Source

#### pub const fn wrapping_pow(self, exp: u32) -> Self

Wrapping (modular) exponentiation. Computes `self.pow(exp)`, wrapping around at the boundary of the type.

##### §Examples

    assert_eq!(3u8.wrapping_pow(5), 243);
    assert_eq!(3u8.wrapping_pow(6), 217);

1.7.0 (const: 1.32.0) · Source

#### pub const fn overflowing_add(self, rhs: Self) -> (Self, bool)

Calculates `self` + `rhs`.

Returns a tuple of the addition along with a boolean indicating whether an arithmetic overflow would occur. If an overflow would have occurred then the wrapped value is returned.

##### §Examples

    assert_eq!(5u8.overflowing_add(2), (7, false));
    assert_eq!(u8::MAX.overflowing_add(1), (0, true));

Source

#### pub const fn carrying_add(self, rhs: Self, carry: bool) -> (Self, bool)

🔬This is a nightly-only experimental API. (`bigint_helper_methods` #85532)

Calculates `self` + `rhs` + `carry` and returns a tuple containing the sum and the output carry.

Performs “ternary addition” of two integer operands and a carry-in bit, and returns an output integer and a carry-out bit. This allows chaining together multiple additions to create a wider addition, and can be useful for bignum addition.

This can be thought of as a 8-bit “full adder”, in the electronics sense.

If the input carry is false, this method is equivalent to `overflowing_add`, and the output carry is equal to the overflow flag. Note that although carry and overflow flags are similar for unsigned integers, they are different for signed integers.

##### §Examples

    #![feature(bigint_helper_methods)]

    //    3  MAX    (a = 3 × 2^8 + 2^8 - 1)
    // +  5    7    (b = 5 × 2^8 + 7)
    // ---------
    //    9    6    (sum = 9 × 2^8 + 6)

    let (a1, a0): (u8, u8) = (3, u8::MAX);
    let (b1, b0): (u8, u8) = (5, 7);
    let carry0 = false;

    let (sum0, carry1) = a0.carrying_add(b0, carry0);
    assert_eq!(carry1, true);
    let (sum1, carry2) = a1.carrying_add(b1, carry1);
    assert_eq!(carry2, false);

    assert_eq!((sum1, sum0), (9, 6));

1.66.0 (const: 1.66.0) · Source

#### pub const fn overflowing_add_signed(self, rhs: i8) -> (Self, bool)

Calculates `self` + `rhs` with a signed `rhs`.

Returns a tuple of the addition along with a boolean indicating whether an arithmetic overflow would occur. If an overflow would have occurred then the wrapped value is returned.

##### §Examples

    assert_eq!(1u8.overflowing_add_signed(2), (3, false));
    assert_eq!(1u8.overflowing_add_signed(-2), (u8::MAX, true));
    assert_eq!((u8::MAX - 2).overflowing_add_signed(4), (1, true));

1.7.0 (const: 1.32.0) · Source

#### pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool)

Calculates `self` - `rhs`.

Returns a tuple of the subtraction along with a boolean indicating whether an arithmetic overflow would occur. If an overflow would have occurred then the wrapped value is returned.

##### §Examples

    assert_eq!(5u8.overflowing_sub(2), (3, false));
    assert_eq!(0u8.overflowing_sub(1), (u8::MAX, true));

Source

#### pub const fn borrowing_sub(self, rhs: Self, borrow: bool) -> (Self, bool)

🔬This is a nightly-only experimental API. (`bigint_helper_methods` #85532)

Calculates `self` − `rhs` − `borrow` and returns a tuple containing the difference and the output borrow.

Performs “ternary subtraction” by subtracting both an integer operand and a borrow-in bit from `self`, and returns an output integer and a borrow-out bit. This allows chaining together multiple subtractions to create a wider subtraction, and can be useful for bignum subtraction.

##### §Examples

    #![feature(bigint_helper_methods)]

    //    9    6    (a = 9 × 2^8 + 6)
    // -  5    7    (b = 5 × 2^8 + 7)
    // ---------
    //    3  MAX    (diff = 3 × 2^8 + 2^8 - 1)

    let (a1, a0): (u8, u8) = (9, 6);
    let (b1, b0): (u8, u8) = (5, 7);
    let borrow0 = false;

    let (diff0, borrow1) = a0.borrowing_sub(b0, borrow0);
    assert_eq!(borrow1, true);
    let (diff1, borrow2) = a1.borrowing_sub(b1, borrow1);
    assert_eq!(borrow2, false);

    assert_eq!((diff1, diff0), (3, u8::MAX));

1.90.0 (const: 1.90.0) · Source

#### pub const fn overflowing_sub_signed(self, rhs: i8) -> (Self, bool)

Calculates `self` - `rhs` with a signed `rhs`

Returns a tuple of the subtraction along with a boolean indicating whether an arithmetic overflow would occur. If an overflow would have occurred then the wrapped value is returned.

##### §Examples

    assert_eq!(1u8.overflowing_sub_signed(2), (u8::MAX, true));
    assert_eq!(1u8.overflowing_sub_signed(-2), (3, false));
    assert_eq!((u8::MAX - 2).overflowing_sub_signed(-4), (1, true));

1.60.0 (const: 1.60.0) · Source

#### pub const fn abs_diff(self, other: Self) -> Self

Computes the absolute difference between `self` and `other`.

##### §Examples

    assert_eq!(100u8.abs_diff(80), 20u8);
    assert_eq!(100u8.abs_diff(110), 10u8);

1.7.0 (const: 1.32.0) · Source

#### pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool)

Calculates the multiplication of `self` and `rhs`.

Returns a tuple of the multiplication along with a boolean indicating whether an arithmetic overflow would occur. If an overflow would have occurred then the wrapped value is returned.

##### §Examples

Please note that this example is shared between integer types. Which explains why `u32` is used here.

    assert_eq!(5u32.overflowing_mul(2), (10, false));
    assert_eq!(1_000_000_000u32.overflowing_mul(10), (1410065408, true));

Source

#### pub const fn widening_mul(self, rhs: Self) -> (Self, Self)

🔬This is a nightly-only experimental API. (`bigint_helper_methods` #85532)

Calculates the complete product `self * rhs` without the possibility to overflow.

This returns the low-order (wrapping) bits and the high-order (overflow) bits of the result as two separate values, in that order.

If you also need to add a carry to the wide result, then you want `Self::carrying_mul` instead.

##### §Examples

Please note that this example is shared between integer types. Which explains why `u32` is used here.

    #![feature(bigint_helper_methods)]
    assert_eq!(5u32.widening_mul(2), (10, 0));
    assert_eq!(1_000_000_000u32.widening_mul(10), (1410065408, 2));

Source

#### pub const fn carrying_mul(self, rhs: Self, carry: Self) -> (Self, Self)

🔬This is a nightly-only experimental API. (`bigint_helper_methods` #85532)

Calculates the “full multiplication” `self * rhs + carry` without the possibility to overflow.

This returns the low-order (wrapping) bits and the high-order (overflow) bits of the result as two separate values, in that order.

Performs “long multiplication” which takes in an extra amount to add, and may return an additional amount of overflow. This allows for chaining together multiple multiplications to create “big integers” which represent larger values.

If you don’t need the `carry`, then you can use `Self::widening_mul` instead.

##### §Examples

Please note that this example is shared between integer types. Which explains why `u32` is used here.

    #![feature(bigint_helper_methods)]
    assert_eq!(5u32.carrying_mul(2, 0), (10, 0));
    assert_eq!(5u32.carrying_mul(2, 10), (20, 0));
    assert_eq!(1_000_000_000u32.carrying_mul(10, 0), (1410065408, 2));
    assert_eq!(1_000_000_000u32.carrying_mul(10, 10), (1410065418, 2));
    assert_eq!(u8::MAX.carrying_mul(u8::MAX, u8::MAX), (0, u8::MAX));

This is the core operation needed for scalar multiplication when implementing it for wider-than-native types.

    #![feature(bigint_helper_methods)]
    fn scalar_mul_eq(little_endian_digits: &mut Vec<u16>, multiplicand: u16) {
        let mut carry = 0;
        for d in little_endian_digits.iter_mut() {
            (*d, carry) = d.carrying_mul(multiplicand, carry);
        }
        if carry != 0 {
            little_endian_digits.push(carry);
        }
    }

    let mut v = vec![10, 20];
    scalar_mul_eq(&mut v, 3);
    assert_eq!(v, [30, 60]);

    assert_eq!(0x87654321_u64 * 0xFEED, 0x86D3D159E38D);
    let mut v = vec![0x4321, 0x8765];
    scalar_mul_eq(&mut v, 0xFEED);
    assert_eq!(v, [0xE38D, 0xD159, 0x86D3]);

If `carry` is zero, this is similar to `overflowing_mul`, except that it gives the value of the overflow instead of just whether one happened:

    #![feature(bigint_helper_methods)]
    let r = u8::carrying_mul(7, 13, 0);
    assert_eq!((r.0, r.1 != 0), u8::overflowing_mul(7, 13));
    let r = u8::carrying_mul(13, 42, 0);
    assert_eq!((r.0, r.1 != 0), u8::overflowing_mul(13, 42));

The value of the first field in the returned tuple matches what you’d get by combining the `wrapping_mul` and `wrapping_add` methods:

    #![feature(bigint_helper_methods)]
    assert_eq!(
        789_u16.carrying_mul(456, 123).0,
        789_u16.wrapping_mul(456).wrapping_add(123),
    );

Source

#### pub const fn carrying_mul_add( self, rhs: Self, carry: Self, add: Self, ) -> (Self, Self)

🔬This is a nightly-only experimental API. (`bigint_helper_methods` #85532)

Calculates the “full multiplication” `self * rhs + carry1 + carry2` without the possibility to overflow.

This returns the low-order (wrapping) bits and the high-order (overflow) bits of the result as two separate values, in that order.

Performs “long multiplication” which takes in an extra amount to add, and may return an additional amount of overflow. This allows for chaining together multiple multiplications to create “big integers” which represent larger values.

If you don’t need either `carry`, then you can use `Self::widening_mul` instead, and if you only need one `carry`, then you can use `Self::carrying_mul` instead.

##### §Examples

Please note that this example is shared between integer types, which explains why `u32` is used here.

    #![feature(bigint_helper_methods)]
    assert_eq!(5u32.carrying_mul_add(2, 0, 0), (10, 0));
    assert_eq!(5u32.carrying_mul_add(2, 10, 10), (30, 0));
    assert_eq!(1_000_000_000u32.carrying_mul_add(10, 0, 0), (1410065408, 2));
    assert_eq!(1_000_000_000u32.carrying_mul_add(10, 10, 10), (1410065428, 2));
    assert_eq!(u8::MAX.carrying_mul_add(u8::MAX, u8::MAX, u8::MAX), (u8::MAX, u8::MAX));

This is the core per-digit operation for “grade school” O(n²) multiplication.

Please note that this example is shared between integer types, using `u8` for simplicity of the demonstration.

    #![feature(bigint_helper_methods)]

    fn quadratic_mul<const N: usize>(a: [u8; N], b: [u8; N]) -> [u8; N] {
        let mut out = [0; N];
        for j in 0..N {
            let mut carry = 0;
            for i in 0..(N - j) {
                (out[j + i], carry) = u8::carrying_mul_add(a[i], b[j], out[j + i], carry);
            }
        }
        out
    }

    // -1 * -1 == 1
    assert_eq!(quadratic_mul([0xFF; 3], [0xFF; 3]), [1, 0, 0]);

    assert_eq!(u32::wrapping_mul(0x9e3779b9, 0x7f4a7c15), 0xCFFC982D);
    assert_eq!(
        quadratic_mul(u32::to_le_bytes(0x9e3779b9), u32::to_le_bytes(0x7f4a7c15)),
        u32::to_le_bytes(0xCFFC982D)
    );

1.7.0 (const: 1.52.0) · Source

#### pub const fn overflowing_div(self, rhs: Self) -> (Self, bool)

Calculates the divisor when `self` is divided by `rhs`.

Returns a tuple of the divisor along with a boolean indicating whether an arithmetic overflow would occur. Note that for unsigned integers overflow never occurs, so the second value is always `false`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(5u8.overflowing_div(2), (2, false));

1.38.0 (const: 1.52.0) · Source

#### pub const fn overflowing_div_euclid(self, rhs: Self) -> (Self, bool)

Calculates the quotient of Euclidean division `self.div_euclid(rhs)`.

Returns a tuple of the divisor along with a boolean indicating whether an arithmetic overflow would occur. Note that for unsigned integers overflow never occurs, so the second value is always `false`. Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self.overflowing_div(rhs)`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(5u8.overflowing_div_euclid(2), (2, false));

1.7.0 (const: 1.52.0) · Source

#### pub const fn overflowing_rem(self, rhs: Self) -> (Self, bool)

Calculates the remainder when `self` is divided by `rhs`.

Returns a tuple of the remainder after dividing along with a boolean indicating whether an arithmetic overflow would occur. Note that for unsigned integers overflow never occurs, so the second value is always `false`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(5u8.overflowing_rem(2), (1, false));

1.38.0 (const: 1.52.0) · Source

#### pub const fn overflowing_rem_euclid(self, rhs: Self) -> (Self, bool)

Calculates the remainder `self.rem_euclid(rhs)` as if by Euclidean division.

Returns a tuple of the modulo after dividing along with a boolean indicating whether an arithmetic overflow would occur. Note that for unsigned integers overflow never occurs, so the second value is always `false`. Since, for the positive integers, all common definitions of division are equal, this operation is exactly equal to `self.overflowing_rem(rhs)`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(5u8.overflowing_rem_euclid(2), (1, false));

1.7.0 (const: 1.32.0) · Source

#### pub const fn overflowing_neg(self) -> (Self, bool)

Negates self in an overflowing fashion.

Returns `!self + 1` using wrapping operations to return the value that represents the negation of this unsigned value. Note that for positive unsigned values overflow always occurs, but negating 0 does not overflow.

##### §Examples

    assert_eq!(0u8.overflowing_neg(), (0, false));
    assert_eq!(2u8.overflowing_neg(), (-2i32 as u8, true));

1.7.0 (const: 1.32.0) · Source

#### pub const fn overflowing_shl(self, rhs: u32) -> (Self, bool)

Shifts self left by `rhs` bits.

Returns a tuple of the shifted version of self along with a boolean indicating whether the shift value was larger than or equal to the number of bits. If the shift value is too large, then value is masked (N-1) where N is the number of bits, and this value is then used to perform the shift.

##### §Examples

    assert_eq!(0x1u8.overflowing_shl(4), (0x10, false));
    assert_eq!(0x1u8.overflowing_shl(132), (0x10, true));
    assert_eq!(0x10u8.overflowing_shl(7), (0, false));

1.7.0 (const: 1.32.0) · Source

#### pub const fn overflowing_shr(self, rhs: u32) -> (Self, bool)

Shifts self right by `rhs` bits.

Returns a tuple of the shifted version of self along with a boolean indicating whether the shift value was larger than or equal to the number of bits. If the shift value is too large, then value is masked (N-1) where N is the number of bits, and this value is then used to perform the shift.

##### §Examples

    assert_eq!(0x10u8.overflowing_shr(4), (0x1, false));
    assert_eq!(0x10u8.overflowing_shr(132), (0x1, true));

1.34.0 (const: 1.50.0) · Source

#### pub const fn overflowing_pow(self, exp: u32) -> (Self, bool)

Raises self to the power of `exp`, using exponentiation by squaring.

Returns a tuple of the exponentiation along with a bool indicating whether an overflow happened.

##### §Examples

    assert_eq!(3u8.overflowing_pow(5), (243, false));
    assert_eq!(3u8.overflowing_pow(6), (217, true));

1.0.0 (const: 1.50.0) · Source

#### pub const fn pow(self, exp: u32) -> Self

Raises self to the power of `exp`, using exponentiation by squaring.

##### §Examples

    assert_eq!(2u8.pow(5), 32);

1.84.0 (const: 1.84.0) · Source

#### pub const fn isqrt(self) -> Self

Returns the square root of the number, rounded down.

##### §Examples

    assert_eq!(10u8.isqrt(), 3);

1.38.0 (const: 1.52.0) · Source

#### pub const fn div_euclid(self, rhs: Self) -> Self

Performs Euclidean division.

Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self / rhs`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(7u8.div_euclid(4), 1); // or any other integer type

1.38.0 (const: 1.52.0) · Source

#### pub const fn rem_euclid(self, rhs: Self) -> Self

Calculates the least remainder of `self (mod rhs)`.

Since, for the positive integers, all common definitions of division are equal, this is exactly equal to `self % rhs`.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(7u8.rem_euclid(4), 3); // or any other integer type

Source

#### pub const fn div_floor(self, rhs: Self) -> Self

🔬This is a nightly-only experimental API. (`int_roundings` #88581)

Calculates the quotient of `self` and `rhs`, rounding the result towards negative infinity.

This is the same as performing `self / rhs` for all unsigned integers.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    #![feature(int_roundings)]
    assert_eq!(7_u8.div_floor(4), 1);

1.73.0 (const: 1.73.0) · Source

#### pub const fn div_ceil(self, rhs: Self) -> Self

Calculates the quotient of `self` and `rhs`, rounding the result towards positive infinity.

##### §Panics

This function will panic if `rhs` is zero.

##### §Examples

    assert_eq!(7_u8.div_ceil(4), 2);

1.73.0 (const: 1.73.0) · Source

#### pub const fn next_multiple_of(self, rhs: Self) -> Self

Calculates the smallest value greater than or equal to `self` that is a multiple of `rhs`.

##### §Panics

This function will panic if `rhs` is zero.

###### §Overflow behavior

On overflow, this function will panic if overflow checks are enabled (default in debug mode) and wrap if overflow checks are disabled (default in release mode).

##### §Examples

    assert_eq!(16_u8.next_multiple_of(8), 16);
    assert_eq!(23_u8.next_multiple_of(8), 24);

1.73.0 (const: 1.73.0) · Source

#### pub const fn checked_next_multiple_of(self, rhs: Self) -> Option<Self>

Calculates the smallest value greater than or equal to `self` that is a multiple of `rhs`. Returns `None` if `rhs` is zero or the operation would result in overflow.

##### §Examples

    assert_eq!(16_u8.checked_next_multiple_of(8), Some(16));
    assert_eq!(23_u8.checked_next_multiple_of(8), Some(24));
    assert_eq!(1_u8.checked_next_multiple_of(0), None);
    assert_eq!(u8::MAX.checked_next_multiple_of(2), None);

1.87.0 (const: 1.87.0) · Source

#### pub const fn is_multiple_of(self, rhs: Self) -> bool

Returns `true` if `self` is an integer multiple of `rhs`, and false otherwise.

This function is equivalent to `self % rhs == 0`, except that it will not panic for `rhs == 0`. Instead, `0.is_multiple_of(0) == true`, and for any non-zero `n`, `n.is_multiple_of(0) == false`.

##### §Examples

    assert!(6_u8.is_multiple_of(2));
    assert!(!5_u8.is_multiple_of(2));

    assert!(0_u8.is_multiple_of(0));
    assert!(!6_u8.is_multiple_of(0));

1.0.0 (const: 1.32.0) · Source

#### pub const fn is_power_of_two(self) -> bool

Returns `true` if and only if `self == 2^k` for some unsigned integer `k`.

##### §Examples

    assert!(16u8.is_power_of_two());
    assert!(!10u8.is_power_of_two());

1.0.0 (const: 1.50.0) · Source

#### pub const fn next_power_of_two(self) -> Self

Returns the smallest power of two greater than or equal to `self`.

When return value overflows (i.e., `self > (1 << (N-1))` for type `uN`), it panics in debug mode and the return value is wrapped to 0 in release mode (the only situation in which this method can return 0).

##### §Examples

    assert_eq!(2u8.next_power_of_two(), 2);
    assert_eq!(3u8.next_power_of_two(), 4);
    assert_eq!(0u8.next_power_of_two(), 1);

1.0.0 (const: 1.50.0) · Source

#### pub const fn checked_next_power_of_two(self) -> Option<Self>

Returns the smallest power of two greater than or equal to `self`. If the next power of two is greater than the type’s maximum value, `None` is returned, otherwise the power of two is wrapped in `Some`.

##### §Examples

    assert_eq!(2u8.checked_next_power_of_two(), Some(2));
    assert_eq!(3u8.checked_next_power_of_two(), Some(4));
    assert_eq!(u8::MAX.checked_next_power_of_two(), None);

Source

#### pub const fn wrapping_next_power_of_two(self) -> Self

🔬This is a nightly-only experimental API. (`wrapping_next_power_of_two` #32463)

Returns the smallest power of two greater than or equal to `n`. If the next power of two is greater than the type’s maximum value, the return value is wrapped to `0`.

##### §Examples

    #![feature(wrapping_next_power_of_two)]

    assert_eq!(2u8.wrapping_next_power_of_two(), 2);
    assert_eq!(3u8.wrapping_next_power_of_two(), 4);
    assert_eq!(u8::MAX.wrapping_next_power_of_two(), 0);

1.32.0 (const: 1.44.0) · Source

#### pub const fn to_be_bytes(self) -> [u8; 1]

Returns the memory representation of this integer as a byte array in big-endian (network) byte order.

Note: This function is meaningless on `u8`. Byte order does not exist as a concept for byte-sized integers. This function is only provided in symmetry with larger integer types.

##### §Examples

    let bytes = 0x12u8.to_be_bytes();
    assert_eq!(bytes, [0x12]);

1.32.0 (const: 1.44.0) · Source

#### pub const fn to_le_bytes(self) -> [u8; 1]

Returns the memory representation of this integer as a byte array in little-endian byte order.

Note: This function is meaningless on `u8`. Byte order does not exist as a concept for byte-sized integers. This function is only provided in symmetry with larger integer types.

##### §Examples

    let bytes = 0x12u8.to_le_bytes();
    assert_eq!(bytes, [0x12]);

1.32.0 (const: 1.44.0) · Source

#### pub const fn to_ne_bytes(self) -> [u8; 1]

Returns the memory representation of this integer as a byte array in native byte order.

As the target platform’s native endianness is used, portable code should use `to_be_bytes` or `to_le_bytes`, as appropriate, instead.

Note: This function is meaningless on `u8`. Byte order does not exist as a concept for byte-sized integers. This function is only provided in symmetry with larger integer types.

##### §Examples

    let bytes = 0x12u8.to_ne_bytes();
    assert_eq!(
        bytes,
        if cfg!(target_endian = "big") {
            [0x12]
        } else {
            [0x12]
        }
    );

1.32.0 (const: 1.44.0) · Source

#### pub const fn from_be_bytes(bytes: [u8; 1]) -> Self

Creates a native endian integer value from its representation as a byte array in big endian.

Note: This function is meaningless on `u8`. Byte order does not exist as a concept for byte-sized integers. This function is only provided in symmetry with larger integer types.

##### §Examples

    let value = u8::from_be_bytes([0x12]);
    assert_eq!(value, 0x12);

When starting from a slice rather than an array, fallible conversion APIs can be used:

    fn read_be_u8(input: &mut &[u8]) -> u8 {
        let (int_bytes, rest) = input.split_at(size_of::<u8>());
        *input = rest;
        u8::from_be_bytes(int_bytes.try_into().unwrap())
    }

1.32.0 (const: 1.44.0) · Source

#### pub const fn from_le_bytes(bytes: [u8; 1]) -> Self

Creates a native endian integer value from its representation as a byte array in little endian.

Note: This function is meaningless on `u8`. Byte order does not exist as a concept for byte-sized integers. This function is only provided in symmetry with larger integer types.

##### §Examples

    let value = u8::from_le_bytes([0x12]);
    assert_eq!(value, 0x12);

When starting from a slice rather than an array, fallible conversion APIs can be used:

    fn read_le_u8(input: &mut &[u8]) -> u8 {
        let (int_bytes, rest) = input.split_at(size_of::<u8>());
        *input = rest;
        u8::from_le_bytes(int_bytes.try_into().unwrap())
    }

1.32.0 (const: 1.44.0) · Source

#### pub const fn from_ne_bytes(bytes: [u8; 1]) -> Self

Creates a native endian integer value from its memory representation as a byte array in native endianness.

As the target platform’s native endianness is used, portable code likely wants to use `from_be_bytes` or `from_le_bytes`, as appropriate instead.

Note: This function is meaningless on `u8`. Byte order does not exist as a concept for byte-sized integers. This function is only provided in symmetry with larger integer types.

##### §Examples

    let value = u8::from_ne_bytes(if cfg!(target_endian = "big") {
        [0x12]
    } else {
        [0x12]
    });
    assert_eq!(value, 0x12);

When starting from a slice rather than an array, fallible conversion APIs can be used:

    fn read_ne_u8(input: &mut &[u8]) -> u8 {
        let (int_bytes, rest) = input.split_at(size_of::<u8>());
        *input = rest;
        u8::from_ne_bytes(int_bytes.try_into().unwrap())
    }

1.0.0 (const: 1.32.0) · Source

#### pub const fn min_value() -> Self

👎Deprecating in a future version: replaced by the `MIN` associated constant on this type

New code should prefer to use `u8::MIN` instead.

Returns the smallest value that can be represented by this integer type.

1.0.0 (const: 1.32.0) · Source

#### pub const fn max_value() -> Self

👎Deprecating in a future version: replaced by the `MAX` associated constant on this type

New code should prefer to use `u8::MAX` instead.

Returns the largest value that can be represented by this integer type.

1.85.0 (const: 1.85.0) · Source

#### pub const fn midpoint(self, rhs: u8) -> u8

Calculates the midpoint (average) between `self` and `rhs`.

`midpoint(a, b)` is `(a + b) / 2` as if it were performed in a sufficiently-large unsigned integral type. This implies that the result is always rounded towards zero and that no overflow will ever occur.

##### §Examples

    assert_eq!(0u8.midpoint(4), 2);
    assert_eq!(1u8.midpoint(4), 2);

1.23.0 (const: 1.43.0) · Source

#### pub const fn is_ascii(&self) -> bool

Checks if the value is within the ASCII range.

##### §Examples

    let ascii = 97u8;
    let non_ascii = 150u8;

    assert!(ascii.is_ascii());
    assert!(!non_ascii.is_ascii());

Source

#### pub const fn as_ascii(&self) -> Option<Char>

🔬This is a nightly-only experimental API. (`ascii_char` #110998)

If the value of this byte is within the ASCII range, returns it as an ASCII character. Otherwise, returns `None`.

Source

#### pub const unsafe fn as_ascii_unchecked(&self) -> Char

🔬This is a nightly-only experimental API. (`ascii_char` #110998)

Converts this byte to an ASCII character, without checking whether or not it’s valid.

##### §Safety

This byte must be valid ASCII, or else this is UB.

1.23.0 (const: 1.52.0) · Source

#### pub const fn to_ascii_uppercase(&self) -> u8

Makes a copy of the value in its ASCII upper case equivalent.

ASCII letters ‘a’ to ‘z’ are mapped to ‘A’ to ‘Z’, but non-ASCII letters are unchanged.

To uppercase the value in-place, use `make_ascii_uppercase`.

##### §Examples

    let lowercase_a = 97u8;

    assert_eq!(65, lowercase_a.to_ascii_uppercase());

1.23.0 (const: 1.52.0) · Source

#### pub const fn to_ascii_lowercase(&self) -> u8

Makes a copy of the value in its ASCII lower case equivalent.

ASCII letters ‘A’ to ‘Z’ are mapped to ‘a’ to ‘z’, but non-ASCII letters are unchanged.

To lowercase the value in-place, use `make_ascii_lowercase`.

##### §Examples

    let uppercase_a = 65u8;

    assert_eq!(97, uppercase_a.to_ascii_lowercase());

1.23.0 (const: 1.52.0) · Source

#### pub const fn eq_ignore_ascii_case(&self, other: &u8) -> bool

Checks that two values are an ASCII case-insensitive match.

This is equivalent to `to_ascii_lowercase(a) == to_ascii_lowercase(b)`.

##### §Examples

    let lowercase_a = 97u8;
    let uppercase_a = 65u8;

    assert!(lowercase_a.eq_ignore_ascii_case(&uppercase_a));

1.23.0 (const: 1.84.0) · Source

#### pub const fn make_ascii_uppercase(&mut self)

Converts this value to its ASCII upper case equivalent in-place.

ASCII letters ‘a’ to ‘z’ are mapped to ‘A’ to ‘Z’, but non-ASCII letters are unchanged.

To return a new uppercased value without modifying the existing one, use `to_ascii_uppercase`.

##### §Examples

    let mut byte = b'a';

    byte.make_ascii_uppercase();

    assert_eq!(b'A', byte);

1.23.0 (const: 1.84.0) · Source

#### pub const fn make_ascii_lowercase(&mut self)

Converts this value to its ASCII lower case equivalent in-place.

ASCII letters ‘A’ to ‘Z’ are mapped to ‘a’ to ‘z’, but non-ASCII letters are unchanged.

To return a new lowercased value without modifying the existing one, use `to_ascii_lowercase`.

##### §Examples

    let mut byte = b'A';

    byte.make_ascii_lowercase();

    assert_eq!(b'a', byte);

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_alphabetic(&self) -> bool

Checks if the value is an ASCII alphabetic character:

- U+0041 ‘A’ ..= U+005A ‘Z’, or
- U+0061 ‘a’ ..= U+007A ‘z’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(uppercase_a.is_ascii_alphabetic());
    assert!(uppercase_g.is_ascii_alphabetic());
    assert!(a.is_ascii_alphabetic());
    assert!(g.is_ascii_alphabetic());
    assert!(!zero.is_ascii_alphabetic());
    assert!(!percent.is_ascii_alphabetic());
    assert!(!space.is_ascii_alphabetic());
    assert!(!lf.is_ascii_alphabetic());
    assert!(!esc.is_ascii_alphabetic());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_uppercase(&self) -> bool

Checks if the value is an ASCII uppercase character: U+0041 ‘A’ ..= U+005A ‘Z’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(uppercase_a.is_ascii_uppercase());
    assert!(uppercase_g.is_ascii_uppercase());
    assert!(!a.is_ascii_uppercase());
    assert!(!g.is_ascii_uppercase());
    assert!(!zero.is_ascii_uppercase());
    assert!(!percent.is_ascii_uppercase());
    assert!(!space.is_ascii_uppercase());
    assert!(!lf.is_ascii_uppercase());
    assert!(!esc.is_ascii_uppercase());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_lowercase(&self) -> bool

Checks if the value is an ASCII lowercase character: U+0061 ‘a’ ..= U+007A ‘z’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(!uppercase_a.is_ascii_lowercase());
    assert!(!uppercase_g.is_ascii_lowercase());
    assert!(a.is_ascii_lowercase());
    assert!(g.is_ascii_lowercase());
    assert!(!zero.is_ascii_lowercase());
    assert!(!percent.is_ascii_lowercase());
    assert!(!space.is_ascii_lowercase());
    assert!(!lf.is_ascii_lowercase());
    assert!(!esc.is_ascii_lowercase());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_alphanumeric(&self) -> bool

Checks if the value is an ASCII alphanumeric character:

- U+0041 ‘A’ ..= U+005A ‘Z’, or
- U+0061 ‘a’ ..= U+007A ‘z’, or
- U+0030 ‘0’ ..= U+0039 ‘9’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(uppercase_a.is_ascii_alphanumeric());
    assert!(uppercase_g.is_ascii_alphanumeric());
    assert!(a.is_ascii_alphanumeric());
    assert!(g.is_ascii_alphanumeric());
    assert!(zero.is_ascii_alphanumeric());
    assert!(!percent.is_ascii_alphanumeric());
    assert!(!space.is_ascii_alphanumeric());
    assert!(!lf.is_ascii_alphanumeric());
    assert!(!esc.is_ascii_alphanumeric());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_digit(&self) -> bool

Checks if the value is an ASCII decimal digit: U+0030 ‘0’ ..= U+0039 ‘9’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(!uppercase_a.is_ascii_digit());
    assert!(!uppercase_g.is_ascii_digit());
    assert!(!a.is_ascii_digit());
    assert!(!g.is_ascii_digit());
    assert!(zero.is_ascii_digit());
    assert!(!percent.is_ascii_digit());
    assert!(!space.is_ascii_digit());
    assert!(!lf.is_ascii_digit());
    assert!(!esc.is_ascii_digit());

Source

#### pub const fn is_ascii_octdigit(&self) -> bool

🔬This is a nightly-only experimental API. (`is_ascii_octdigit` #101288)

Checks if the value is an ASCII octal digit: U+0030 ‘0’ ..= U+0037 ‘7’.

##### §Examples

    #![feature(is_ascii_octdigit)]

    let uppercase_a = b'A';
    let a = b'a';
    let zero = b'0';
    let seven = b'7';
    let nine = b'9';
    let percent = b'%';
    let lf = b'\n';

    assert!(!uppercase_a.is_ascii_octdigit());
    assert!(!a.is_ascii_octdigit());
    assert!(zero.is_ascii_octdigit());
    assert!(seven.is_ascii_octdigit());
    assert!(!nine.is_ascii_octdigit());
    assert!(!percent.is_ascii_octdigit());
    assert!(!lf.is_ascii_octdigit());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_hexdigit(&self) -> bool

Checks if the value is an ASCII hexadecimal digit:

- U+0030 ‘0’ ..= U+0039 ‘9’, or
- U+0041 ‘A’ ..= U+0046 ‘F’, or
- U+0061 ‘a’ ..= U+0066 ‘f’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(uppercase_a.is_ascii_hexdigit());
    assert!(!uppercase_g.is_ascii_hexdigit());
    assert!(a.is_ascii_hexdigit());
    assert!(!g.is_ascii_hexdigit());
    assert!(zero.is_ascii_hexdigit());
    assert!(!percent.is_ascii_hexdigit());
    assert!(!space.is_ascii_hexdigit());
    assert!(!lf.is_ascii_hexdigit());
    assert!(!esc.is_ascii_hexdigit());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_punctuation(&self) -> bool

Checks if the value is an ASCII punctuation character:

- U+0021 ..= U+002F `! " # $ % & ' ( ) * + , - . /`, or
- U+003A ..= U+0040 `: ; < = > ? @`, or
- U+005B ..= U+0060 `[ \ ] ^ _ ``, or
- U+007B ..= U+007E `{ | } ~`

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(!uppercase_a.is_ascii_punctuation());
    assert!(!uppercase_g.is_ascii_punctuation());
    assert!(!a.is_ascii_punctuation());
    assert!(!g.is_ascii_punctuation());
    assert!(!zero.is_ascii_punctuation());
    assert!(percent.is_ascii_punctuation());
    assert!(!space.is_ascii_punctuation());
    assert!(!lf.is_ascii_punctuation());
    assert!(!esc.is_ascii_punctuation());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_graphic(&self) -> bool

Checks if the value is an ASCII graphic character: U+0021 ‘!’ ..= U+007E ‘~’.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(uppercase_a.is_ascii_graphic());
    assert!(uppercase_g.is_ascii_graphic());
    assert!(a.is_ascii_graphic());
    assert!(g.is_ascii_graphic());
    assert!(zero.is_ascii_graphic());
    assert!(percent.is_ascii_graphic());
    assert!(!space.is_ascii_graphic());
    assert!(!lf.is_ascii_graphic());
    assert!(!esc.is_ascii_graphic());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_whitespace(&self) -> bool

Checks if the value is an ASCII whitespace character: U+0020 SPACE, U+0009 HORIZONTAL TAB, U+000A LINE FEED, U+000C FORM FEED, or U+000D CARRIAGE RETURN.

Rust uses the WhatWG Infra Standard’s definition of ASCII whitespace. There are several other definitions in wide use. For instance, the POSIX locale includes U+000B VERTICAL TAB as well as all the above characters, but—from the very same specification—the default rule for “field splitting” in the Bourne shell considers only SPACE, HORIZONTAL TAB, and LINE FEED as whitespace.

If you are writing a program that will process an existing file format, check what that format’s definition of whitespace is before using this function.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(!uppercase_a.is_ascii_whitespace());
    assert!(!uppercase_g.is_ascii_whitespace());
    assert!(!a.is_ascii_whitespace());
    assert!(!g.is_ascii_whitespace());
    assert!(!zero.is_ascii_whitespace());
    assert!(!percent.is_ascii_whitespace());
    assert!(space.is_ascii_whitespace());
    assert!(lf.is_ascii_whitespace());
    assert!(!esc.is_ascii_whitespace());

1.24.0 (const: 1.47.0) · Source

#### pub const fn is_ascii_control(&self) -> bool

Checks if the value is an ASCII control character: U+0000 NUL ..= U+001F UNIT SEPARATOR, or U+007F DELETE. Note that most ASCII whitespace characters are control characters, but SPACE is not.

##### §Examples

    let uppercase_a = b'A';
    let uppercase_g = b'G';
    let a = b'a';
    let g = b'g';
    let zero = b'0';
    let percent = b'%';
    let space = b' ';
    let lf = b'\n';
    let esc = b'\x1b';

    assert!(!uppercase_a.is_ascii_control());
    assert!(!uppercase_g.is_ascii_control());
    assert!(!a.is_ascii_control());
    assert!(!g.is_ascii_control());
    assert!(!zero.is_ascii_control());
    assert!(!percent.is_ascii_control());
    assert!(!space.is_ascii_control());
    assert!(lf.is_ascii_control());
    assert!(esc.is_ascii_control());

1.60.0 · Source

#### pub fn escape_ascii(self) -> EscapeDefault ⓘ

Returns an iterator that produces an escaped version of a `u8`, treating it as an ASCII character.

The behavior is identical to `ascii::escape_default`.

##### §Examples

    assert_eq!("0", b'0'.escape_ascii().to_string());
    assert_eq!("\\t", b'\t'.escape_ascii().to_string());
    assert_eq!("\\r", b'\r'.escape_ascii().to_string());
    assert_eq!("\\n", b'\n'.escape_ascii().to_string());
    assert_eq!("\\'", b'\''.escape_ascii().to_string());
    assert_eq!("\\\"", b'"'.escape_ascii().to_string());
    assert_eq!("\\\\", b'\\'.escape_ascii().to_string());
    assert_eq!("\\x9d", b'\x9d'.escape_ascii().to_string());

Source§

### impl u8

1.0.0 (const: 1.82.0) · Source

#### pub const fn from_str_radix(src: &str, radix: u32) -> Result<u8, ParseIntError>

Parses an integer from a string slice with digits in a given base.

The string is expected to be an optional `+` sign followed by only digits. Leading and trailing non-digit characters (including whitespace) represent an error. Underscores (which are accepted in Rust literals) also represent an error.

Digits are a subset of these characters, depending on `radix`:

- `0-9`
- `a-z`
- `A-Z`

##### §Panics

This function panics if `radix` is not in the range from 2 to 36.

##### §Examples

    assert_eq!(u8::from_str_radix("A", 16), Ok(10));

Trailing space returns error:

    assert!(u8::from_str_radix("1 ", 10).is_err());

Source

#### pub const fn from_ascii(src: &[u8]) -> Result<u8, ParseIntError>

🔬This is a nightly-only experimental API. (`int_from_ascii` #134821)

Parses an integer from an ASCII-byte slice with decimal digits.

The characters are expected to be an optional `+` sign followed by only digits. Leading and trailing non-digit characters (including whitespace) represent an error. Underscores (which are accepted in Rust literals) also represent an error.

##### §Examples

    #![feature(int_from_ascii)]

    assert_eq!(u8::from_ascii(b"+10"), Ok(10));

Trailing space returns error:

    assert!(u8::from_ascii(b"1 ").is_err());

Source

#### pub const fn from_ascii_radix( src: &[u8], radix: u32, ) -> Result<u8, ParseIntError>

🔬This is a nightly-only experimental API. (`int_from_ascii` #134821)

Parses an integer from an ASCII-byte slice with digits in a given base.

The characters are expected to be an optional `+` sign followed by only digits. Leading and trailing non-digit characters (including whitespace) represent an error. Underscores (which are accepted in Rust literals) also represent an error.

Digits are a subset of these characters, depending on `radix`:

- `0-9`
- `a-z`
- `A-Z`

##### §Panics

This function panics if `radix` is not in the range from 2 to 36.

##### §Examples

    #![feature(int_from_ascii)]

    assert_eq!(u8::from_ascii_radix(b"A", 16), Ok(10));

Trailing space returns error:

    assert!(u8::from_ascii_radix(b"1 ", 10).is_err());

Source§

### impl u8

Source

#### pub fn format_into(self, buf: &mut NumBuffer<Self>) -> &str

🔬This is a nightly-only experimental API. (`int_format_into` #138215)

Allows users to write an integer (in signed decimal format) into a variable `buf` of type `NumBuffer` that is passed by the caller by mutable reference.

##### §Examples

    #![feature(int_format_into)]
    use core::fmt::NumBuffer;

    let n = 0u8;
    let mut buf = NumBuffer::new();
    assert_eq!(n.format_into(&mut buf), "0");

    let n1 = 32u8;
    assert_eq!(n1.format_into(&mut buf), "32");

    let n2 = u8 :: MAX;
    assert_eq!(n2.format_into(&mut buf), u8 :: MAX.to_string());

## Trait Implementations§

1.0.0 (const: unstable) · Source§

### impl Add<&u8> for &u8

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#### type Output = <u8 as Add>::Output

The resulting type after applying the `+` operator.
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#### fn add(self, other: &u8) -> <u8 as Add<u8>>::Output

Performs the `+` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Add<&u8> for u8

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#### type Output = <u8 as Add>::Output

The resulting type after applying the `+` operator.
Source§

#### fn add(self, other: &u8) -> <u8 as Add<u8>>::Output

Performs the `+` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Add<u8> for &u8

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#### type Output = <u8 as Add>::Output

The resulting type after applying the `+` operator.
Source§

#### fn add(self, other: u8) -> <u8 as Add<u8>>::Output

Performs the `+` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Add for u8

Source§

#### type Output = u8

The resulting type after applying the `+` operator.
Source§

#### fn add(self, other: u8) -> u8

Performs the `+` operation. Read more
1.74.0 (const: unstable) · Source§

### impl AddAssign<&u8> for Saturating<u8>

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#### fn add_assign(&mut self, other: &u8)

Performs the `+=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl AddAssign<&u8> for Wrapping<u8>

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#### fn add_assign(&mut self, other: &u8)

Performs the `+=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl AddAssign<&u8> for u8

Source§

#### fn add_assign(&mut self, other: &u8)

Performs the `+=` operation. Read more
1.74.0 (const: unstable) · Source§

### impl AddAssign<u8> for Saturating<u8>

Source§

#### fn add_assign(&mut self, other: u8)

Performs the `+=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl AddAssign<u8> for Wrapping<u8>

Source§

#### fn add_assign(&mut self, other: u8)

Performs the `+=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl AddAssign for u8

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#### fn add_assign(&mut self, other: u8)

Performs the `+=` operation. Read more
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### impl AtomicPrimitive for u8

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#### type AtomicInner = AtomicU8

🔬This is a nightly-only experimental API. (`atomic_internals`)
Temporary implementation detail.
1.0.0 · Source§

### impl Binary for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
1.0.0 (const: unstable) · Source§

### impl BitAnd<&u8> for &u8

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#### type Output = <u8 as BitAnd>::Output

The resulting type after applying the `&` operator.
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#### fn bitand(self, other: &u8) -> <u8 as BitAnd<u8>>::Output

Performs the `&` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitAnd<&u8> for u8

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#### type Output = <u8 as BitAnd>::Output

The resulting type after applying the `&` operator.
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#### fn bitand(self, other: &u8) -> <u8 as BitAnd<u8>>::Output

Performs the `&` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitAnd<u8> for &u8

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#### type Output = <u8 as BitAnd>::Output

The resulting type after applying the `&` operator.
Source§

#### fn bitand(self, other: u8) -> <u8 as BitAnd<u8>>::Output

Performs the `&` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitAnd for u8

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#### type Output = u8

The resulting type after applying the `&` operator.
Source§

#### fn bitand(self, rhs: u8) -> u8

Performs the `&` operation. Read more
1.74.0 (const: unstable) · Source§

### impl BitAndAssign<&u8> for Saturating<u8>

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#### fn bitand_assign(&mut self, other: &u8)

Performs the `&=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl BitAndAssign<&u8> for Wrapping<u8>

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#### fn bitand_assign(&mut self, other: &u8)

Performs the `&=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl BitAndAssign<&u8> for u8

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#### fn bitand_assign(&mut self, other: &u8)

Performs the `&=` operation. Read more
1.74.0 (const: unstable) · Source§

### impl BitAndAssign<u8> for Saturating<u8>

Source§

#### fn bitand_assign(&mut self, other: u8)

Performs the `&=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl BitAndAssign<u8> for Wrapping<u8>

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#### fn bitand_assign(&mut self, other: u8)

Performs the `&=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl BitAndAssign for u8

Source§

#### fn bitand_assign(&mut self, other: u8)

Performs the `&=` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitOr<&u8> for &u8

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#### type Output = <u8 as BitOr>::Output

The resulting type after applying the `|` operator.
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#### fn bitor(self, other: &u8) -> <u8 as BitOr<u8>>::Output

Performs the `|` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitOr<&u8> for u8

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#### type Output = <u8 as BitOr>::Output

The resulting type after applying the `|` operator.
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#### fn bitor(self, other: &u8) -> <u8 as BitOr<u8>>::Output

Performs the `|` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitOr<u8> for &u8

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#### type Output = <u8 as BitOr>::Output

The resulting type after applying the `|` operator.
Source§

#### fn bitor(self, other: u8) -> <u8 as BitOr<u8>>::Output

Performs the `|` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitOr for u8

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#### type Output = u8

The resulting type after applying the `|` operator.
Source§

#### fn bitor(self, rhs: u8) -> u8

Performs the `|` operation. Read more
1.74.0 (const: unstable) · Source§

### impl BitOrAssign<&u8> for Saturating<u8>

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#### fn bitor_assign(&mut self, other: &u8)

Performs the `|=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl BitOrAssign<&u8> for Wrapping<u8>

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#### fn bitor_assign(&mut self, other: &u8)

Performs the `|=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl BitOrAssign<&u8> for u8

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#### fn bitor_assign(&mut self, other: &u8)

Performs the `|=` operation. Read more
1.74.0 (const: unstable) · Source§

### impl BitOrAssign<u8> for Saturating<u8>

Source§

#### fn bitor_assign(&mut self, other: u8)

Performs the `|=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl BitOrAssign<u8> for Wrapping<u8>

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#### fn bitor_assign(&mut self, other: u8)

Performs the `|=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl BitOrAssign for u8

Source§

#### fn bitor_assign(&mut self, other: u8)

Performs the `|=` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitXor<&u8> for &u8

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#### type Output = <u8 as BitXor>::Output

The resulting type after applying the `^` operator.
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#### fn bitxor(self, other: &u8) -> <u8 as BitXor<u8>>::Output

Performs the `^` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitXor<&u8> for u8

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#### type Output = <u8 as BitXor>::Output

The resulting type after applying the `^` operator.
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#### fn bitxor(self, other: &u8) -> <u8 as BitXor<u8>>::Output

Performs the `^` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitXor<u8> for &u8

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#### type Output = <u8 as BitXor>::Output

The resulting type after applying the `^` operator.
Source§

#### fn bitxor(self, other: u8) -> <u8 as BitXor<u8>>::Output

Performs the `^` operation. Read more
1.0.0 (const: unstable) · Source§

### impl BitXor for u8

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#### type Output = u8

The resulting type after applying the `^` operator.
Source§

#### fn bitxor(self, other: u8) -> u8

Performs the `^` operation. Read more
1.74.0 (const: unstable) · Source§

### impl BitXorAssign<&u8> for Saturating<u8>

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#### fn bitxor_assign(&mut self, other: &u8)

Performs the `^=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl BitXorAssign<&u8> for Wrapping<u8>

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#### fn bitxor_assign(&mut self, other: &u8)

Performs the `^=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl BitXorAssign<&u8> for u8

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#### fn bitxor_assign(&mut self, other: &u8)

Performs the `^=` operation. Read more
1.74.0 (const: unstable) · Source§

### impl BitXorAssign<u8> for Saturating<u8>

Source§

#### fn bitxor_assign(&mut self, other: u8)

Performs the `^=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl BitXorAssign<u8> for Wrapping<u8>

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#### fn bitxor_assign(&mut self, other: u8)

Performs the `^=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl BitXorAssign for u8

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#### fn bitxor_assign(&mut self, other: u8)

Performs the `^=` operation. Read more
Source§

### impl CarryingMulAdd for u8

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#### type Unsigned = u8

🔬This is a nightly-only experimental API. (`core_intrinsics_fallbacks`)
Source§

#### fn carrying_mul_add(self, a: Self, b: Self, c: Self) -> (u8, u8)

🔬This is a nightly-only experimental API. (`core_intrinsics_fallbacks`)
1.0.0 · Source§

### impl Clone for u8

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#### fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 · Source§

#### fn clone_from(&mut self, source: &Self)
where Self:,

Performs copy-assignment from `source`. Read more
1.0.0 · Source§

### impl Debug for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
1.0.0 (const: unstable) · Source§

### impl Default for u8

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#### fn default() -> u8

Returns the default value of `0`

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### impl DisjointBitOr for u8

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#### unsafe fn disjoint_bitor(self, other: Self) -> Self

🔬This is a nightly-only experimental API. (`core_intrinsics_fallbacks`)
See `super::disjoint_bitor`; we just need the trait indirection to handle different types since calling intrinsics with generics doesn’t work.
1.0.0 · Source§

### impl Display for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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### impl Distribution<u8> for RangeFull

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#### fn sample(&self, source: &mut (impl RandomSource + ?Sized)) -> u8

🔬This is a nightly-only experimental API. (`random` #130703)
Samples a random value from the distribution, using the specified random source.
1.0.0 (const: unstable) · Source§

### impl Div<&u8> for &u8

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#### type Output = <u8 as Div>::Output

The resulting type after applying the `/` operator.
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#### fn div(self, other: &u8) -> <u8 as Div<u8>>::Output

Performs the `/` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Div<&u8> for u8

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#### type Output = <u8 as Div>::Output

The resulting type after applying the `/` operator.
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#### fn div(self, other: &u8) -> <u8 as Div<u8>>::Output

Performs the `/` operation. Read more
1.51.0 (const: unstable) · Source§

### impl Div<NonZero<u8>> for u8

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#### fn div(self, other: NonZero<u8>) -> u8

Same as `self / other.get()`, but because `other` is a `NonZero<_>`, there’s never a runtime check for division-by-zero.

This operation rounds towards zero, truncating any fractional part of the exact result, and cannot panic.

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#### type Output = u8

The resulting type after applying the `/` operator.
1.0.0 (const: unstable) · Source§

### impl Div<u8> for &u8

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#### type Output = <u8 as Div>::Output

The resulting type after applying the `/` operator.
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#### fn div(self, other: u8) -> <u8 as Div<u8>>::Output

Performs the `/` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Div for u8

This operation rounds towards zero, truncating any fractional part of the exact result.

#### §Panics

This operation will panic if `other == 0`.

Source§

#### type Output = u8

The resulting type after applying the `/` operator.
Source§

#### fn div(self, other: u8) -> u8

Performs the `/` operation. Read more
1.74.0 (const: unstable) · Source§

### impl DivAssign<&u8> for Saturating<u8>

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#### fn div_assign(&mut self, other: &u8)

Performs the `/=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl DivAssign<&u8> for Wrapping<u8>

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#### fn div_assign(&mut self, other: &u8)

Performs the `/=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl DivAssign<&u8> for u8

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#### fn div_assign(&mut self, other: &u8)

Performs the `/=` operation. Read more
1.79.0 (const: unstable) · Source§

### impl DivAssign<NonZero<u8>> for u8

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#### fn div_assign(&mut self, other: NonZero<u8>)

Same as `self /= other.get()`, but because `other` is a `NonZero<_>`, there’s never a runtime check for division-by-zero.

This operation rounds towards zero, truncating any fractional part of the exact result, and cannot panic.

1.74.0 (const: unstable) · Source§

### impl DivAssign<u8> for Saturating<u8>

Source§

#### fn div_assign(&mut self, other: u8)

Performs the `/=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl DivAssign<u8> for Wrapping<u8>

Source§

#### fn div_assign(&mut self, other: u8)

Performs the `/=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl DivAssign for u8

Source§

#### fn div_assign(&mut self, other: u8)

Performs the `/=` operation. Read more
Source§

### impl From<AsciiChar> for u8

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#### fn from(chr: AsciiChar) -> u8

Converts to this type from the input type.
1.28.0 (const: unstable) · Source§

### impl From<bool> for u8

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#### fn from(small: bool) -> Self

Converts a `bool` to `u8` losslessly. The resulting value is `0` for `false` and `1` for `true` values.

##### §Examples

    assert_eq!(u8::from(true), 1);
    assert_eq!(u8::from(false), 0);

1.34.0 (const: unstable) · Source§

### impl From<u8> for AtomicU8

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#### fn from(v: u8) -> Self

Converts an `u8` into an `AtomicU8`.

1.13.0 (const: unstable) · Source§

### impl From<u8> for char

Maps a byte in 0x00..=0xFF to a `char` whose code point has the same value, in U+0000..=U+00FF.

Unicode is designed such that this effectively decodes bytes with the character encoding that IANA calls ISO-8859-1. This encoding is compatible with ASCII.

Note that this is different from ISO/IEC 8859-1 a.k.a. ISO 8859-1 (with one less hyphen), which leaves some “blanks”, byte values that are not assigned to any character. ISO-8859-1 (the IANA one) assigns them to the C0 and C1 control codes.

Note that this is also different from Windows-1252 a.k.a. code page 1252, which is a superset ISO/IEC 8859-1 that assigns some (not all!) blanks to punctuation and various Latin characters.

To confuse things further, on the Web `ascii`, `iso-8859-1`, and `windows-1252` are all aliases for a superset of Windows-1252 that fills the remaining blanks with corresponding C0 and C1 control codes.

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#### fn from(i: u8) -> Self

Converts a `u8` into a `char`.

##### §Examples

    let u = 32 as u8;
    let c = char::from(u);
    assert!(4 == size_of_val(&c))

1.6.0 (const: unstable) · Source§

### impl From<u8> for f128

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#### fn from(small: u8) -> Self

Converts `u8` to `f128` losslessly.

1.6.0 (const: unstable) · Source§

### impl From<u8> for f16

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#### fn from(small: u8) -> Self

Converts `u8` to `f16` losslessly.

1.6.0 (const: unstable) · Source§

### impl From<u8> for f32

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#### fn from(small: u8) -> Self

Converts `u8` to `f32` losslessly.

1.6.0 (const: unstable) · Source§

### impl From<u8> for f64

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#### fn from(small: u8) -> Self

Converts `u8` to `f64` losslessly.

1.26.0 (const: unstable) · Source§

### impl From<u8> for i128

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#### fn from(small: u8) -> Self

Converts `u8` to `i128` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for i16

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `i16` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for i32

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `i32` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for i64

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `i64` losslessly.

1.26.0 (const: unstable) · Source§

### impl From<u8> for isize

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `isize` losslessly.

1.26.0 (const: unstable) · Source§

### impl From<u8> for u128

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `u128` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for u16

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `u16` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for u32

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `u32` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for u64

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `u64` losslessly.

1.5.0 (const: unstable) · Source§

### impl From<u8> for usize

Source§

#### fn from(small: u8) -> Self

Converts `u8` to `usize` losslessly.

1.0.0 (const: unstable) · Source§

### impl FromStr for u8

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#### fn from_str(src: &str) -> Result<u8, ParseIntError>

Parses an integer from a string slice with decimal digits.

The characters are expected to be an optional `+` sign followed by only digits. Leading and trailing non-digit characters (including whitespace) represent an error. Underscores (which are accepted in Rust literals) also represent an error.

##### §Examples

    use std::str::FromStr;

    assert_eq!(u8::from_str("+10"), Ok(10));

Trailing space returns error:

    assert!(u8::from_str("1 ").is_err());

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#### type Err = ParseIntError

The associated error which can be returned from parsing.
1.0.0 · Source§

### impl Hash for u8

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#### fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given `Hasher`. Read more
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#### fn hash_slice<H: Hasher>(data: &[u8], state: &mut H)

Feeds a slice of this type into the given `Hasher`. Read more
1.42.0 · Source§

### impl LowerExp for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
1.0.0 · Source§

### impl LowerHex for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
1.0.0 (const: unstable) · Source§

### impl Mul<&u8> for &u8

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#### type Output = <u8 as Mul>::Output

The resulting type after applying the `*` operator.
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#### fn mul(self, other: &u8) -> <u8 as Mul<u8>>::Output

Performs the `*` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Mul<&u8> for u8

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#### type Output = <u8 as Mul>::Output

The resulting type after applying the `*` operator.
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#### fn mul(self, other: &u8) -> <u8 as Mul<u8>>::Output

Performs the `*` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Mul<u8> for &u8

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#### type Output = <u8 as Mul>::Output

The resulting type after applying the `*` operator.
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#### fn mul(self, other: u8) -> <u8 as Mul<u8>>::Output

Performs the `*` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Mul for u8

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#### type Output = u8

The resulting type after applying the `*` operator.
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#### fn mul(self, other: u8) -> u8

Performs the `*` operation. Read more
1.74.0 (const: unstable) · Source§

### impl MulAssign<&u8> for Saturating<u8>

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#### fn mul_assign(&mut self, other: &u8)

Performs the `*=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl MulAssign<&u8> for Wrapping<u8>

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#### fn mul_assign(&mut self, other: &u8)

Performs the `*=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl MulAssign<&u8> for u8

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#### fn mul_assign(&mut self, other: &u8)

Performs the `*=` operation. Read more
1.74.0 (const: unstable) · Source§

### impl MulAssign<u8> for Saturating<u8>

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#### fn mul_assign(&mut self, other: u8)

Performs the `*=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl MulAssign<u8> for Wrapping<u8>

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#### fn mul_assign(&mut self, other: u8)

Performs the `*=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl MulAssign for u8

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#### fn mul_assign(&mut self, other: u8)

Performs the `*=` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Not for &u8

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#### type Output = <u8 as Not>::Output

The resulting type after applying the `!` operator.
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#### fn not(self) -> <u8 as Not>::Output

Performs the unary `!` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Not for u8

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#### type Output = u8

The resulting type after applying the `!` operator.
Source§

#### fn not(self) -> u8

Performs the unary `!` operation. Read more
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### impl NumBufferTrait for u8

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#### const BUF_SIZE: usize = 3usize

🔬This is a nightly-only experimental API. (`int_format_into` #138215)
Maximum number of digits in decimal base of the implemented integer.
1.0.0 · Source§

### impl Octal for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
1.0.0 · Source§

### impl Ord for u8

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#### fn cmp(&self, other: &Self) -> Ordering

This method returns an `Ordering` between `self` and `other`. Read more
1.21.0 · Source§

#### fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · Source§

#### fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · Source§

#### fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
1.0.0 (const: unstable) · Source§

### impl PartialEq for u8

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#### fn eq(&self, other: &Self) -> bool

Tests for `self` and `other` values to be equal, and is used by `==`.
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#### fn ne(&self, other: &Self) -> bool

Tests for `!=`. The default implementation is almost always sufficient, and should not be overridden without very good reason.
1.0.0 · Source§

### impl PartialOrd for u8

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#### fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between `self` and `other` values if one exists. Read more
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#### fn lt(&self, other: &Self) -> bool

Tests less than (for `self` and `other`) and is used by the `<` operator. Read more
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#### fn le(&self, other: &Self) -> bool

Tests less than or equal to (for `self` and `other`) and is used by the `<=` operator. Read more
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#### fn gt(&self, other: &Self) -> bool

Tests greater than (for `self` and `other`) and is used by the `>` operator. Read more
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#### fn ge(&self, other: &Self) -> bool

Tests greater than or equal to (for `self` and `other`) and is used by the `>=` operator. Read more
1.12.0 · Source§

### impl<'a> Product<&'a u8> for u8

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#### fn product<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Takes an iterator and generates `Self` from the elements by multiplying the items.
1.12.0 · Source§

### impl Product for u8

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#### fn product<I: Iterator<Item = Self>>(iter: I) -> Self

Takes an iterator and generates `Self` from the elements by multiplying the items.
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### impl RangePattern for u8

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#### const MIN: u8 = 0u8

🔬This is a nightly-only experimental API. (`pattern_type_range_trait` #123646)
Trait version of the inherent `MIN` assoc const.
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#### const MAX: u8 = 255u8

🔬This is a nightly-only experimental API. (`pattern_type_range_trait` #123646)
Trait version of the inherent `MIN` assoc const.
Source§

#### fn sub_one(self) -> Self

🔬This is a nightly-only experimental API. (`pattern_type_range_trait` #123646)
A compile-time helper to subtract 1 for exclusive ranges.
1.0.0 (const: unstable) · Source§

### impl Rem<&u8> for &u8

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#### type Output = <u8 as Rem>::Output

The resulting type after applying the `%` operator.
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#### fn rem(self, other: &u8) -> <u8 as Rem<u8>>::Output

Performs the `%` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Rem<&u8> for u8

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#### type Output = <u8 as Rem>::Output

The resulting type after applying the `%` operator.
Source§

#### fn rem(self, other: &u8) -> <u8 as Rem<u8>>::Output

Performs the `%` operation. Read more
1.51.0 (const: unstable) · Source§

### impl Rem<NonZero<u8>> for u8

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#### fn rem(self, other: NonZero<u8>) -> u8

This operation satisfies `n % d == n - (n / d) * d`, and cannot panic.

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#### type Output = u8

The resulting type after applying the `%` operator.
1.0.0 (const: unstable) · Source§

### impl Rem<u8> for &u8

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#### type Output = <u8 as Rem>::Output

The resulting type after applying the `%` operator.
Source§

#### fn rem(self, other: u8) -> <u8 as Rem<u8>>::Output

Performs the `%` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Rem for u8

This operation satisfies `n % d == n - (n / d) * d`. The result has the same sign as the left operand.

#### §Panics

This operation will panic if `other == 0`.

Source§

#### type Output = u8

The resulting type after applying the `%` operator.
Source§

#### fn rem(self, other: u8) -> u8

Performs the `%` operation. Read more
1.74.0 (const: unstable) · Source§

### impl RemAssign<&u8> for Saturating<u8>

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#### fn rem_assign(&mut self, other: &u8)

Performs the `%=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl RemAssign<&u8> for Wrapping<u8>

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#### fn rem_assign(&mut self, other: &u8)

Performs the `%=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl RemAssign<&u8> for u8

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#### fn rem_assign(&mut self, other: &u8)

Performs the `%=` operation. Read more
1.79.0 (const: unstable) · Source§

### impl RemAssign<NonZero<u8>> for u8

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#### fn rem_assign(&mut self, other: NonZero<u8>)

This operation satisfies `n % d == n - (n / d) * d`, and cannot panic.

1.74.0 (const: unstable) · Source§

### impl RemAssign<u8> for Saturating<u8>

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#### fn rem_assign(&mut self, other: u8)

Performs the `%=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl RemAssign<u8> for Wrapping<u8>

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#### fn rem_assign(&mut self, other: u8)

Performs the `%=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl RemAssign for u8

Source§

#### fn rem_assign(&mut self, other: u8)

Performs the `%=` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i128> for &u8

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#### type Output = <u8 as Shl<i128>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i128) -> <u8 as Shl<i128>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i128> for u8

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#### type Output = <u8 as Shl<i128>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i128) -> <u8 as Shl<i128>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i16> for &u8

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#### type Output = <u8 as Shl<i16>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i16) -> <u8 as Shl<i16>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i16> for u8

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#### type Output = <u8 as Shl<i16>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i16) -> <u8 as Shl<i16>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i32> for &u8

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#### type Output = <u8 as Shl<i32>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i32) -> <u8 as Shl<i32>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i32> for u8

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#### type Output = <u8 as Shl<i32>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i32) -> <u8 as Shl<i32>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i64> for &u8

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#### type Output = <u8 as Shl<i64>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i64) -> <u8 as Shl<i64>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i64> for u8

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#### type Output = <u8 as Shl<i64>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i64) -> <u8 as Shl<i64>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i8> for &u8

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#### type Output = <u8 as Shl<i8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i8) -> <u8 as Shl<i8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&i8> for u8

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#### type Output = <u8 as Shl<i8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &i8) -> <u8 as Shl<i8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&isize> for &u8

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#### type Output = <u8 as Shl<isize>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &isize) -> <u8 as Shl<isize>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&isize> for u8

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#### type Output = <u8 as Shl<isize>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &isize) -> <u8 as Shl<isize>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u128> for &u8

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#### type Output = <u8 as Shl<u128>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u128) -> <u8 as Shl<u128>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u128> for u8

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#### type Output = <u8 as Shl<u128>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u128) -> <u8 as Shl<u128>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u16> for &u8

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#### type Output = <u8 as Shl<u16>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u16) -> <u8 as Shl<u16>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u16> for u8

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#### type Output = <u8 as Shl<u16>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u16) -> <u8 as Shl<u16>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u32> for &u8

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#### type Output = <u8 as Shl<u32>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u32) -> <u8 as Shl<u32>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u32> for u8

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#### type Output = <u8 as Shl<u32>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u32) -> <u8 as Shl<u32>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u64> for &u8

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#### type Output = <u8 as Shl<u64>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u64) -> <u8 as Shl<u64>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u64> for u8

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#### type Output = <u8 as Shl<u64>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u64) -> <u8 as Shl<u64>>::Output

Performs the `<<` operation. Read more
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### impl<'lhs, const N: usize> Shl<&u8> for &'lhs Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

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#### type Output = Simd<u8, N>

The resulting type after applying the `<<` operator.
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#### fn shl(self, rhs: &u8) -> Self::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &i128

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#### type Output = <i128 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i128 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &i16

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#### type Output = <i16 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i16 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &i32

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#### type Output = <i32 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i32 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &i64

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#### type Output = <i64 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i64 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &i8

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#### type Output = <i8 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i8 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &isize

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#### type Output = <isize as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <isize as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &u128

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#### type Output = <u128 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <u128 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &u16

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#### type Output = <u16 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <u16 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &u32

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#### type Output = <u32 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <u32 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &u64

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#### type Output = <u64 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <u64 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &u8

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#### type Output = <u8 as Shl>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <u8 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for &usize

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#### type Output = <usize as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <usize as Shl<u8>>::Output

Performs the `<<` operation. Read more
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### impl<const N: usize> Shl<&u8> for Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

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#### type Output = Simd<u8, N>

The resulting type after applying the `<<` operator.
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#### fn shl(self, rhs: &u8) -> Self::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for i128

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#### type Output = <i128 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i128 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for i16

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#### type Output = <i16 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i16 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for i32

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#### type Output = <i32 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i32 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for i64

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#### type Output = <i64 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i64 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for i8

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#### type Output = <i8 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
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#### fn shl(self, other: &u8) -> <i8 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for isize

Source§

#### type Output = <isize as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <isize as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for u128

Source§

#### type Output = <u128 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <u128 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for u16

Source§

#### type Output = <u16 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <u16 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for u32

Source§

#### type Output = <u32 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <u32 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for u64

Source§

#### type Output = <u64 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <u64 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for u8

Source§

#### type Output = <u8 as Shl>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <u8 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&u8> for usize

Source§

#### type Output = <usize as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &u8) -> <usize as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&usize> for &u8

Source§

#### type Output = <u8 as Shl<usize>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &usize) -> <u8 as Shl<usize>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<&usize> for u8

Source§

#### type Output = <u8 as Shl<usize>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: &usize) -> <u8 as Shl<usize>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i128> for &u8

Source§

#### type Output = <u8 as Shl<i128>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i128) -> <u8 as Shl<i128>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i128> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i128) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i16> for &u8

Source§

#### type Output = <u8 as Shl<i16>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i16) -> <u8 as Shl<i16>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i16> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i16) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i32> for &u8

Source§

#### type Output = <u8 as Shl<i32>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i32) -> <u8 as Shl<i32>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i32> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i32) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i64> for &u8

Source§

#### type Output = <u8 as Shl<i64>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i64) -> <u8 as Shl<i64>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i64> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i64) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i8> for &u8

Source§

#### type Output = <u8 as Shl<i8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i8) -> <u8 as Shl<i8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<i8> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: i8) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<isize> for &u8

Source§

#### type Output = <u8 as Shl<isize>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: isize) -> <u8 as Shl<isize>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<isize> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: isize) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u128> for &u8

Source§

#### type Output = <u8 as Shl<u128>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u128) -> <u8 as Shl<u128>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u128> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u128) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u16> for &u8

Source§

#### type Output = <u8 as Shl<u16>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u16) -> <u8 as Shl<u16>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u16> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u16) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u32> for &u8

Source§

#### type Output = <u8 as Shl<u32>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u32) -> <u8 as Shl<u32>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u32> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u32) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u64> for &u8

Source§

#### type Output = <u8 as Shl<u64>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u64) -> <u8 as Shl<u64>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u64> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u64) -> u8

Performs the `<<` operation. Read more
Source§

### impl<'lhs, const N: usize> Shl<u8> for &'lhs Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

Source§

#### type Output = Simd<u8, N>

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, rhs: u8) -> Self::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &i128

Source§

#### type Output = <i128 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <i128 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &i16

Source§

#### type Output = <i16 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <i16 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &i32

Source§

#### type Output = <i32 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <i32 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &i64

Source§

#### type Output = <i64 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <i64 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &i8

Source§

#### type Output = <i8 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <i8 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &isize

Source§

#### type Output = <isize as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <isize as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &u128

Source§

#### type Output = <u128 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <u128 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &u16

Source§

#### type Output = <u16 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <u16 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &u32

Source§

#### type Output = <u32 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <u32 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &u64

Source§

#### type Output = <u64 as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <u64 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &u8

Source§

#### type Output = <u8 as Shl>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <u8 as Shl<u8>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for &usize

Source§

#### type Output = <usize as Shl<u8>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> <usize as Shl<u8>>::Output

Performs the `<<` operation. Read more
Source§

### impl<const N: usize> Shl<u8> for Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

Source§

#### type Output = Simd<u8, N>

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, rhs: u8) -> Self::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for i128

Source§

#### type Output = i128

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> i128

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for i16

Source§

#### type Output = i16

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> i16

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for i32

Source§

#### type Output = i32

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> i32

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for i64

Source§

#### type Output = i64

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> i64

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for i8

Source§

#### type Output = i8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> i8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for isize

Source§

#### type Output = isize

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> isize

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for u128

Source§

#### type Output = u128

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> u128

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for u16

Source§

#### type Output = u16

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> u16

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for u32

Source§

#### type Output = u32

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> u32

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for u64

Source§

#### type Output = u64

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> u64

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<u8> for usize

Source§

#### type Output = usize

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> usize

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<usize> for &u8

Source§

#### type Output = <u8 as Shl<usize>>::Output

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: usize) -> <u8 as Shl<usize>>::Output

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl<usize> for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: usize) -> u8

Performs the `<<` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shl for u8

Source§

#### type Output = u8

The resulting type after applying the `<<` operator.
Source§

#### fn shl(self, other: u8) -> u8

Performs the `<<` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&i128> for u8

Source§

#### fn shl_assign(&mut self, other: &i128)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&i16> for u8

Source§

#### fn shl_assign(&mut self, other: &i16)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&i32> for u8

Source§

#### fn shl_assign(&mut self, other: &i32)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&i64> for u8

Source§

#### fn shl_assign(&mut self, other: &i64)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&i8> for u8

Source§

#### fn shl_assign(&mut self, other: &i8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&isize> for u8

Source§

#### fn shl_assign(&mut self, other: &isize)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u128> for u8

Source§

#### fn shl_assign(&mut self, other: &u128)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u16> for u8

Source§

#### fn shl_assign(&mut self, other: &u16)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u32> for u8

Source§

#### fn shl_assign(&mut self, other: &u32)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u64> for u8

Source§

#### fn shl_assign(&mut self, other: &u64)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for i128

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for i16

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for i32

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for i64

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for i8

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for isize

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for u128

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for u16

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for u32

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for u64

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for u8

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&u8> for usize

Source§

#### fn shl_assign(&mut self, other: &u8)

Performs the `<<=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShlAssign<&usize> for u8

Source§

#### fn shl_assign(&mut self, other: &usize)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<i128> for u8

Source§

#### fn shl_assign(&mut self, other: i128)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<i16> for u8

Source§

#### fn shl_assign(&mut self, other: i16)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<i32> for u8

Source§

#### fn shl_assign(&mut self, other: i32)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<i64> for u8

Source§

#### fn shl_assign(&mut self, other: i64)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<i8> for u8

Source§

#### fn shl_assign(&mut self, other: i8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<isize> for u8

Source§

#### fn shl_assign(&mut self, other: isize)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u128> for u8

Source§

#### fn shl_assign(&mut self, other: u128)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u16> for u8

Source§

#### fn shl_assign(&mut self, other: u16)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u32> for u8

Source§

#### fn shl_assign(&mut self, other: u32)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u64> for u8

Source§

#### fn shl_assign(&mut self, other: u64)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for i128

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for i16

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for i32

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for i64

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for i8

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for isize

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for u128

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for u16

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for u32

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for u64

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<u8> for usize

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign<usize> for u8

Source§

#### fn shl_assign(&mut self, other: usize)

Performs the `<<=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShlAssign for u8

Source§

#### fn shl_assign(&mut self, other: u8)

Performs the `<<=` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i128> for &u8

Source§

#### type Output = <u8 as Shr<i128>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i128) -> <u8 as Shr<i128>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i128> for u8

Source§

#### type Output = <u8 as Shr<i128>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i128) -> <u8 as Shr<i128>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i16> for &u8

Source§

#### type Output = <u8 as Shr<i16>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i16) -> <u8 as Shr<i16>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i16> for u8

Source§

#### type Output = <u8 as Shr<i16>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i16) -> <u8 as Shr<i16>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i32> for &u8

Source§

#### type Output = <u8 as Shr<i32>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i32) -> <u8 as Shr<i32>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i32> for u8

Source§

#### type Output = <u8 as Shr<i32>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i32) -> <u8 as Shr<i32>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i64> for &u8

Source§

#### type Output = <u8 as Shr<i64>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i64) -> <u8 as Shr<i64>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i64> for u8

Source§

#### type Output = <u8 as Shr<i64>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i64) -> <u8 as Shr<i64>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i8> for &u8

Source§

#### type Output = <u8 as Shr<i8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i8) -> <u8 as Shr<i8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&i8> for u8

Source§

#### type Output = <u8 as Shr<i8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &i8) -> <u8 as Shr<i8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&isize> for &u8

Source§

#### type Output = <u8 as Shr<isize>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &isize) -> <u8 as Shr<isize>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&isize> for u8

Source§

#### type Output = <u8 as Shr<isize>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &isize) -> <u8 as Shr<isize>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u128> for &u8

Source§

#### type Output = <u8 as Shr<u128>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u128) -> <u8 as Shr<u128>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u128> for u8

Source§

#### type Output = <u8 as Shr<u128>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u128) -> <u8 as Shr<u128>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u16> for &u8

Source§

#### type Output = <u8 as Shr<u16>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u16) -> <u8 as Shr<u16>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u16> for u8

Source§

#### type Output = <u8 as Shr<u16>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u16) -> <u8 as Shr<u16>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u32> for &u8

Source§

#### type Output = <u8 as Shr<u32>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u32) -> <u8 as Shr<u32>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u32> for u8

Source§

#### type Output = <u8 as Shr<u32>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u32) -> <u8 as Shr<u32>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u64> for &u8

Source§

#### type Output = <u8 as Shr<u64>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u64) -> <u8 as Shr<u64>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u64> for u8

Source§

#### type Output = <u8 as Shr<u64>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u64) -> <u8 as Shr<u64>>::Output

Performs the `>>` operation. Read more
Source§

### impl<'lhs, const N: usize> Shr<&u8> for &'lhs Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

Source§

#### type Output = Simd<u8, N>

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, rhs: &u8) -> Self::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &i128

Source§

#### type Output = <i128 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i128 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &i16

Source§

#### type Output = <i16 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i16 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &i32

Source§

#### type Output = <i32 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i32 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &i64

Source§

#### type Output = <i64 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i64 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &i8

Source§

#### type Output = <i8 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i8 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &isize

Source§

#### type Output = <isize as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <isize as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &u128

Source§

#### type Output = <u128 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u128 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &u16

Source§

#### type Output = <u16 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u16 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &u32

Source§

#### type Output = <u32 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u32 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &u64

Source§

#### type Output = <u64 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u64 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &u8

Source§

#### type Output = <u8 as Shr>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u8 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for &usize

Source§

#### type Output = <usize as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <usize as Shr<u8>>::Output

Performs the `>>` operation. Read more
Source§

### impl<const N: usize> Shr<&u8> for Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

Source§

#### type Output = Simd<u8, N>

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, rhs: &u8) -> Self::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for i128

Source§

#### type Output = <i128 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i128 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for i16

Source§

#### type Output = <i16 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i16 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for i32

Source§

#### type Output = <i32 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i32 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for i64

Source§

#### type Output = <i64 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i64 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for i8

Source§

#### type Output = <i8 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <i8 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for isize

Source§

#### type Output = <isize as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <isize as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for u128

Source§

#### type Output = <u128 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u128 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for u16

Source§

#### type Output = <u16 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u16 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for u32

Source§

#### type Output = <u32 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u32 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for u64

Source§

#### type Output = <u64 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u64 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for u8

Source§

#### type Output = <u8 as Shr>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <u8 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&u8> for usize

Source§

#### type Output = <usize as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &u8) -> <usize as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&usize> for &u8

Source§

#### type Output = <u8 as Shr<usize>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &usize) -> <u8 as Shr<usize>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<&usize> for u8

Source§

#### type Output = <u8 as Shr<usize>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: &usize) -> <u8 as Shr<usize>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i128> for &u8

Source§

#### type Output = <u8 as Shr<i128>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i128) -> <u8 as Shr<i128>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i128> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i128) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i16> for &u8

Source§

#### type Output = <u8 as Shr<i16>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i16) -> <u8 as Shr<i16>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i16> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i16) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i32> for &u8

Source§

#### type Output = <u8 as Shr<i32>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i32) -> <u8 as Shr<i32>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i32> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i32) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i64> for &u8

Source§

#### type Output = <u8 as Shr<i64>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i64) -> <u8 as Shr<i64>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i64> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i64) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i8> for &u8

Source§

#### type Output = <u8 as Shr<i8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i8) -> <u8 as Shr<i8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<i8> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: i8) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<isize> for &u8

Source§

#### type Output = <u8 as Shr<isize>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: isize) -> <u8 as Shr<isize>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<isize> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: isize) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u128> for &u8

Source§

#### type Output = <u8 as Shr<u128>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u128) -> <u8 as Shr<u128>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u128> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u128) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u16> for &u8

Source§

#### type Output = <u8 as Shr<u16>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u16) -> <u8 as Shr<u16>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u16> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u16) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u32> for &u8

Source§

#### type Output = <u8 as Shr<u32>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u32) -> <u8 as Shr<u32>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u32> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u32) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u64> for &u8

Source§

#### type Output = <u8 as Shr<u64>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u64) -> <u8 as Shr<u64>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u64> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u64) -> u8

Performs the `>>` operation. Read more
Source§

### impl<'lhs, const N: usize> Shr<u8> for &'lhs Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

Source§

#### type Output = Simd<u8, N>

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, rhs: u8) -> Self::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &i128

Source§

#### type Output = <i128 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <i128 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &i16

Source§

#### type Output = <i16 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <i16 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &i32

Source§

#### type Output = <i32 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <i32 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &i64

Source§

#### type Output = <i64 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <i64 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &i8

Source§

#### type Output = <i8 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <i8 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &isize

Source§

#### type Output = <isize as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <isize as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &u128

Source§

#### type Output = <u128 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <u128 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &u16

Source§

#### type Output = <u16 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <u16 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &u32

Source§

#### type Output = <u32 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <u32 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &u64

Source§

#### type Output = <u64 as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <u64 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &u8

Source§

#### type Output = <u8 as Shr>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <u8 as Shr<u8>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for &usize

Source§

#### type Output = <usize as Shr<u8>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> <usize as Shr<u8>>::Output

Performs the `>>` operation. Read more
Source§

### impl<const N: usize> Shr<u8> for Simd<u8, N>
where LaneCount<N>: SupportedLaneCount,

Source§

#### type Output = Simd<u8, N>

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, rhs: u8) -> Self::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for i128

Source§

#### type Output = i128

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> i128

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for i16

Source§

#### type Output = i16

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> i16

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for i32

Source§

#### type Output = i32

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> i32

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for i64

Source§

#### type Output = i64

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> i64

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for i8

Source§

#### type Output = i8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> i8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for isize

Source§

#### type Output = isize

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> isize

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for u128

Source§

#### type Output = u128

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> u128

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for u16

Source§

#### type Output = u16

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> u16

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for u32

Source§

#### type Output = u32

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> u32

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for u64

Source§

#### type Output = u64

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> u64

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<u8> for usize

Source§

#### type Output = usize

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> usize

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<usize> for &u8

Source§

#### type Output = <u8 as Shr<usize>>::Output

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: usize) -> <u8 as Shr<usize>>::Output

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr<usize> for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: usize) -> u8

Performs the `>>` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Shr for u8

Source§

#### type Output = u8

The resulting type after applying the `>>` operator.
Source§

#### fn shr(self, other: u8) -> u8

Performs the `>>` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&i128> for u8

Source§

#### fn shr_assign(&mut self, other: &i128)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&i16> for u8

Source§

#### fn shr_assign(&mut self, other: &i16)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&i32> for u8

Source§

#### fn shr_assign(&mut self, other: &i32)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&i64> for u8

Source§

#### fn shr_assign(&mut self, other: &i64)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&i8> for u8

Source§

#### fn shr_assign(&mut self, other: &i8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&isize> for u8

Source§

#### fn shr_assign(&mut self, other: &isize)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u128> for u8

Source§

#### fn shr_assign(&mut self, other: &u128)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u16> for u8

Source§

#### fn shr_assign(&mut self, other: &u16)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u32> for u8

Source§

#### fn shr_assign(&mut self, other: &u32)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u64> for u8

Source§

#### fn shr_assign(&mut self, other: &u64)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for i128

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for i16

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for i32

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for i64

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for i8

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for isize

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for u128

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for u16

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for u32

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for u64

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for u8

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&u8> for usize

Source§

#### fn shr_assign(&mut self, other: &u8)

Performs the `>>=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl ShrAssign<&usize> for u8

Source§

#### fn shr_assign(&mut self, other: &usize)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<i128> for u8

Source§

#### fn shr_assign(&mut self, other: i128)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<i16> for u8

Source§

#### fn shr_assign(&mut self, other: i16)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<i32> for u8

Source§

#### fn shr_assign(&mut self, other: i32)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<i64> for u8

Source§

#### fn shr_assign(&mut self, other: i64)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<i8> for u8

Source§

#### fn shr_assign(&mut self, other: i8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<isize> for u8

Source§

#### fn shr_assign(&mut self, other: isize)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u128> for u8

Source§

#### fn shr_assign(&mut self, other: u128)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u16> for u8

Source§

#### fn shr_assign(&mut self, other: u16)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u32> for u8

Source§

#### fn shr_assign(&mut self, other: u32)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u64> for u8

Source§

#### fn shr_assign(&mut self, other: u64)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for i128

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for i16

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for i32

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for i64

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for i8

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for isize

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for u128

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for u16

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for u32

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for u64

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<u8> for usize

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign<usize> for u8

Source§

#### fn shr_assign(&mut self, other: usize)

Performs the `>>=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl ShrAssign for u8

Source§

#### fn shr_assign(&mut self, other: u8)

Performs the `>>=` operation. Read more
Source§

### impl SimdElement for u8

Source§

#### type Mask = i8

🔬This is a nightly-only experimental API. (`portable_simd` #86656)
The mask element type corresponding to this element type.
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### impl Step for u8

Source§

#### fn forward(start: Self, n: usize) -> Self

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the value that would be obtained by taking the successor of `self` `count` times. Read more
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#### fn backward(start: Self, n: usize) -> Self

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the value that would be obtained by taking the predecessor of `self` `count` times. Read more
Source§

#### unsafe fn forward_unchecked(start: Self, n: usize) -> Self

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the value that would be obtained by taking the successor of `self` `count` times. Read more
Source§

#### unsafe fn backward_unchecked(start: Self, n: usize) -> Self

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the value that would be obtained by taking the predecessor of `self` `count` times. Read more
Source§

#### fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>)

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the bounds on the number of successor steps required to get from `start` to `end` like `Iterator::size_hint()`. Read more
Source§

#### fn forward_checked(start: Self, n: usize) -> Option<Self>

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the value that would be obtained by taking the successor of `self` `count` times. Read more
Source§

#### fn backward_checked(start: Self, n: usize) -> Option<Self>

🔬This is a nightly-only experimental API. (`step_trait` #42168)
Returns the value that would be obtained by taking the predecessor of `self` `count` times. Read more
1.0.0 (const: unstable) · Source§

### impl Sub<&u8> for &u8

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#### type Output = <u8 as Sub>::Output

The resulting type after applying the `-` operator.
Source§

#### fn sub(self, other: &u8) -> <u8 as Sub<u8>>::Output

Performs the `-` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Sub<&u8> for u8

Source§

#### type Output = <u8 as Sub>::Output

The resulting type after applying the `-` operator.
Source§

#### fn sub(self, other: &u8) -> <u8 as Sub<u8>>::Output

Performs the `-` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Sub<u8> for &u8

Source§

#### type Output = <u8 as Sub>::Output

The resulting type after applying the `-` operator.
Source§

#### fn sub(self, other: u8) -> <u8 as Sub<u8>>::Output

Performs the `-` operation. Read more
1.0.0 (const: unstable) · Source§

### impl Sub for u8

Source§

#### type Output = u8

The resulting type after applying the `-` operator.
Source§

#### fn sub(self, other: u8) -> u8

Performs the `-` operation. Read more
1.74.0 (const: unstable) · Source§

### impl SubAssign<&u8> for Saturating<u8>

Source§

#### fn sub_assign(&mut self, other: &u8)

Performs the `-=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl SubAssign<&u8> for Wrapping<u8>

Source§

#### fn sub_assign(&mut self, other: &u8)

Performs the `-=` operation. Read more
1.22.0 (const: unstable) · Source§

### impl SubAssign<&u8> for u8

Source§

#### fn sub_assign(&mut self, other: &u8)

Performs the `-=` operation. Read more
1.74.0 (const: unstable) · Source§

### impl SubAssign<u8> for Saturating<u8>

Source§

#### fn sub_assign(&mut self, other: u8)

Performs the `-=` operation. Read more
1.60.0 (const: unstable) · Source§

### impl SubAssign<u8> for Wrapping<u8>

Source§

#### fn sub_assign(&mut self, other: u8)

Performs the `-=` operation. Read more
1.8.0 (const: unstable) · Source§

### impl SubAssign for u8

Source§

#### fn sub_assign(&mut self, other: u8)

Performs the `-=` operation. Read more
1.12.0 · Source§

### impl<'a> Sum<&'a u8> for u8

Source§

#### fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Takes an iterator and generates `Self` from the elements by “summing up” the items.
1.12.0 · Source§

### impl Sum for u8

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#### fn sum<I: Iterator<Item = Self>>(iter: I) -> Self

Takes an iterator and generates `Self` from the elements by “summing up” the items.
1.59.0 · Source§

### impl TryFrom<char> for u8

Maps a `char` with code point in U+0000..=U+00FF to a byte in 0x00..=0xFF with same value, failing if the code point is greater than U+00FF.

See `impl From<u8> for char` for details on the encoding.

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#### fn try_from(c: char) -> Result<u8, Self::Error>

Tries to convert a `char` into a `u8`.

##### §Examples

    let a = 'ÿ'; // U+00FF
    let b = 'Ā'; // U+0100
    assert_eq!(u8::try_from(a), Ok(0xFF_u8));
    assert!(u8::try_from(b).is_err());

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#### type Error = TryFromCharError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<i128> for u8

Source§

#### fn try_from(u: i128) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<i16> for u8

Source§

#### fn try_from(u: i16) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<i32> for u8

Source§

#### fn try_from(u: i32) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<i64> for u8

Source§

#### fn try_from(u: i64) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<i8> for u8

Source§

#### fn try_from(u: i8) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<isize> for u8

Source§

#### fn try_from(u: isize) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<u128> for u8

Source§

#### fn try_from(u: u128) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<u16> for u8

Source§

#### fn try_from(u: u16) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<u32> for u8

Source§

#### fn try_from(u: u32) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<u64> for u8

Source§

#### fn try_from(u: u64) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.46.0 · Source§

### impl TryFrom<u8> for NonZero<u8>

Source§

#### fn try_from(value: u8) -> Result<Self, Self::Error>

Attempts to convert `u8` to `NonZero<u8>`.

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#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<u8> for i8

Source§

#### fn try_from(u: u8) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.34.0 (const: unstable) · Source§

### impl TryFrom<usize> for u8

Source§

#### fn try_from(u: usize) -> Result<Self, Self::Error>

Tries to create the target number type from a source number type. This returns an error if the source value is outside of the range of the target type.

Source§

#### type Error = TryFromIntError

The type returned in the event of a conversion error.
1.42.0 · Source§

### impl UpperExp for u8

Source§

#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
1.0.0 · Source§

### impl UpperHex for u8

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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### impl ConstParamTy_ for u8

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### impl Copy for u8

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### impl Eq for u8

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### impl FloatToInt<u8> for f128

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### impl FloatToInt<u8> for f16

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### impl FloatToInt<u8> for f32

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### impl FloatToInt<u8> for f64

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### impl SimdCast for u8

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### impl StructuralPartialEq for u8

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### impl TrustedStep for u8

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### impl UnsizedConstParamTy for u8

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### impl UseCloned for u8

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### impl ZeroablePrimitive for u8

## Auto Trait Implementations§

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### impl Freeze for u8

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### impl RefUnwindSafe for u8

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### impl Send for u8

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### impl Sync for u8

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### impl Unpin for u8

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### impl UnwindSafe for u8

## Blanket Implementations§

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### impl<T> Any for T
where T: 'static + ?Sized,

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#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more
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### impl<T> BitOr<NonZero<T>> for T
where T: ZeroablePrimitive + BitOr<Output = T>,

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#### type Output = NonZero<T>

The resulting type after applying the `|` operator.
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#### fn bitor(self, rhs: NonZero<T>) -> <T as BitOr<NonZero<T>>>::Output

Performs the `|` operation. Read more
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### impl<T> Borrow<T> for T
where T: ?Sized,

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#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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### impl<T> BorrowMut<T> for T
where T: ?Sized,

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#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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### impl<T> CloneToUninit for T
where T: Clone,

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#### unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (`clone_to_uninit` #126799)
Performs copy-assignment from `self` to `dest`. Read more
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### impl<T> From<NonZero<T>> for T
where T: ZeroablePrimitive,

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#### fn from(nonzero: NonZero<T>) -> T

Converts to this type from the input type.
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### impl<T> From<T> for T

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#### fn from(t: T) -> T

Returns the argument unchanged.

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### impl<T, U> Into<U> for T
where U: From<T>,

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#### fn into(self) -> U

Calls `U::from(self)`.

That is, this conversion is whatever the implementation of `From<T> for U` chooses to do.

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### impl<T, U> TryFrom<U> for T
where U: Into<T>,

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#### type Error = Infallible

The type returned in the event of a conversion error.
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#### fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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### impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.