# le_u8 in nom::number::complete - Rust
Recognizes an unsigned 1 byte integer.
Keywords: rust, rustlang, rust-lang, le_u8

# Function nom::number::complete::le_u8

source · [−]

    pub fn le_u8<I, E: ParseError<I>>(input: I) -> IResult<I, u8, E> where
        I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,

Expand description

Recognizes an unsigned 1 byte integer.

Complete version: Returns an error if there is not enough input data.

    use nom::number::complete::le_u8;

    let parser = |s| {
      le_u8(s)
    };

    assert_eq!(parser(&b"\x00\x03abcefg"[..]), Ok((&b"\x03abcefg"[..], 0x00)));
    assert_eq!(parser(&b""[..]), Err(Err::Error((&[][..], ErrorKind::Eof))));