Function `be_f64`

fn be_f64<I, E: ParseError<I>>(input: I) -> IResult<I, f64, E>
where
    I: Input<Item = u8>

Recognizes a big endian 8 bytes floating point number.

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

# use nom::{Err, error::ErrorKind, Needed};
# use nom::Needed::Size;
use nom::number::complete::be_f64;

let parser = |s| {
  be_f64(s)
};

assert_eq!(parser(&[0x40, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 12.5)));
assert_eq!(parser(&b"abc"[..]), Err(Err::Error((&b"abc"[..], ErrorKind::Eof))));