# Function nom::number::complete::i8

source · [−]

    pub fn i8<I, E: ParseError<I>>(i: I) -> IResult<I, i8, E> where
        I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,

Expand description

Recognizes a signed 1 byte integer

Note that endianness does not apply to 1 byte numbers. complete version: returns an error if there is not enough input data

    use nom::number::complete::i8;

    let parser = |s| {
      i8(s)
    };

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