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# Error code E0768

A number in a non-decimal base has no digits.

Erroneous code example:

    #![allow(unused)]
    fn main() {
    let s: i32 = 0b; // error!
    }

To fix this error, add the missing digits:

    #![allow(unused)]
    fn main() {
    let s: i32 = 0b1; // ok!
    }