//! Dealing with bytes and stuff

/// Copy from `src` into `dst` and return the number of bytes copied.
///
/// # Notes
/// The regions *must not* overlap. This is UB if they do.
#[inline] pub unsafe fn copy_nonoverlapping_unchecked(src: &[u8], dst: &mut [u8]) -> usize
{
    let len = std::cmp::min(dst.len(), src.len());
    std::ptr::copy_nonoverlapping(src.as_ptr(), dst.as_mut_ptr(), len);
    len
}