# be_i128 in nom::number::complete - Rust
Recognizes a big endian signed 16 bytes integer.
Keywords: rust, rustlang, rust-lang, be_i128

# Function nom::number::complete::be_i128

source · [−]

    pub fn be_i128<I, E: ParseError<I>>(input: I) -> IResult<I, i128, E> where
        I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,

Expand description

Recognizes a big endian signed 16 bytes integer.

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

    use nom::number::complete::be_i128;

    let parser = |s| {
      be_i128(s)
    };

    assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07\x00\x01\x02\x03\x04\x05\x06\x07abcefg"[..]), Ok((&b"abcefg"[..], 0x00010203040506070001020304050607)));
    assert_eq!(parser(&b"\x01"[..]), Err(Err::Error((&[0x01][..], ErrorKind::Eof))));