// Copyright 2016 blake2-rfc Developers//// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or// http://opensource.org/licenses/MIT>, at your option. This file may not be// copied, modified, or distributed except according to those terms.use core::mem;use core::slice;#[allow(clippy::missing_safety_doc)]pub unsafe trait Safe {}pub trait AsBytes {    fn as_bytes(&self) -> &[u8];    fn as_mut_bytes(&mut self) -> &mut [u8];}impl<T: Safe> AsBytes for [T] {    #[inline]    fn as_bytes(&self) -> &[u8] {        unsafe {            slice::from_raw_parts(self.as_ptr() as *const u8, self.len() * mem::size_of::<T>())        }    }    #[inline]    fn as_mut_bytes(&mut self) -> &mut [u8] {        unsafe {            slice::from_raw_parts_mut(                self.as_mut_ptr() as *mut u8,                self.len() * mem::size_of::<T>(),            )        }    }}unsafe impl Safe for u8 {}unsafe impl Safe for u16 {}unsafe impl Safe for u32 {}unsafe impl Safe for u64 {}unsafe impl Safe for i8 {}unsafe impl Safe for i16 {}unsafe impl Safe for i32 {}unsafe impl Safe for i64 {}