Function be_i64

pub fn be_i64<I, E: ParseError<I>>(input: I) -> IResult<I, i64, E>
where
    I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,

Recognizes a big endian signed 8 bytes integer.

Streaming version: Will return Err(nom::Err::Incomplete(_)) if there is not enough data.

use nom::number::streaming::be_i64;

let parser = be_i64::<_, (_, ErrorKind)>;

assert_eq!(parser(&b"\x00\x01\x02\x03\x04\x05\x06\x07abcd"[..]), Ok((&b"abcd"[..], 0x0001020304050607)));
assert_eq!(parser(&b"\x01"[..]), Err(Err::Incomplete(Needed::new(7))));