combine::parser::byte::num

Function be_u32

source 
pub fn be_u32<'a, Input>() -> impl Parser<Input, Output = u32, PartialState = ()>
where
    Input: Stream<Token = u8>,
Expand description

Reads a u32 out of the byte stream with the specified endianess

use combine::Parser;
use combine::parser::byte::num::le_u32;

assert_eq!(le_u32().parse(&b"\x01\0\0\0"[..]), Ok((1, &b""[..])));
assert!(le_u32().parse(&b"\x01\0\0"[..]).is_err());