nom::number

Function le_i32

Source 
pub fn le_i32<I, E: ParseError<I>>() -> impl Parser<I, Output = i32, Error = E>
where
    I: Input<Item = u8>,
Expand description

Recognizes a little endian signed 4 bytes integer.

use nom::number::le_i32;

let parser = |s| {
  le_i32::<_, (_, ErrorKind)>().parse(s)
};

assert_eq!(parser(&b"\x00\x01\x02\x03abcd"[..]), Ok((&b"abcd"[..], 0x03020100)));
assert_eq!(parser(&b"\x01"[..]), Err(Err::Incomplete(Needed::new(3))));