lang.org/std/primitive.pointer.html#method.found the following associated functions; to be used as methods, functions must have a `self` parameterthis is an associated function, not a methodconsider using `len` insteadlen`count` is defined on ``, which `` does not implement is available for `unimplemented_traits.len() == the following trait bounds were not satisfied:
` not found for this  {}there is a variant with a similar name because it  boundsconsider restricting the type parameter to satisfy the trait bound