Function cookie_factory::bytes::ne_u64

source ·
pub fn ne_u64<W: Write>(i: u64) -> impl SerializeFn<W>
Expand description

Writes an u64 in native byte order to the output

use cookie_factory::{gen, bytes::ne_u64};

let mut buf = [0u8; 100];

{
  let (buf, pos) = gen(ne_u64(1u64), &mut buf[..]).unwrap();
  assert_eq!(pos, 8);
  assert_eq!(buf.len(), 100 - 8);
}

#[cfg(target_endian = "big")]
assert_eq!(&buf[..8], &[0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 1u8][..]);
#[cfg(target_endian = "litte")]
assert_eq!(&buf[..8], &[1u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8][..]);