# Function nom::number::complete::le_i64

source · [−]

    pub fn le_i64<I, E: ParseError<I>>(input: I) -> IResult<I, i64, E> where
        I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,

Expand description

Recognizes a little endian signed 8 bytes integer.

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

    use nom::number::complete::le_i64;

    let parser = |s| {
      le_i64(s)
    };

    assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x0706050403020100)));
    assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));