Function nom::number::streaming::le_u16

pub fn le_u16<'a, E: ParseError<&'a [u8]>>(
    i: &'a [u8]
) -> IResult<&'a [u8], u16, E>

Recognizes a little endian unsigned 2 bytes integer

streaming version: will return Err(nom::Err::Incomplete(_)) if there is not enough data

use nom::number::streaming::le_u16;

let parser = |s| {
  le_u16::<(_, ErrorKind)>(s)
};

assert_eq!(parser(b"\x00\x01abcd"), Ok((&b"abcd"[..], 0x0100)));
assert_eq!(parser(b"\x01"), Err(Err::Incomplete(Needed::Size(2))));