Function `be_i16`

fn be_i16<I, E: ParseError<I>>(input: I) -> IResult<I, i16, E>
where
    I: Input<Item = u8>

Recognizes a big endian signed 2 bytes integer.

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

# use nom::{Err, error::ErrorKind, Needed};
use nom::number::streaming::be_i16;

let parser = be_i16::<_, (_, ErrorKind)>;

assert_eq!(parser(&b"\x00\x01abcd"[..]), Ok((&b"abcd"[..], 0x0001)));
assert_eq!(parser(&b""[..]), Err(Err::Incomplete(Needed::new(2))));