Function nom::number::streaming::be_f64

pub fn be_f64<'a, E: ParseError<&'a [u8]>>(
    input: &'a [u8]
) -> IResult<&'a [u8], f64, E>

Recognizes a big endian 8 bytes floating point number

streaming version: will return Err(nom::Err::Incomplete(_)) if there is not enough data

use nom::number::streaming::be_f64;

let parser = |s| {
  be_f64::<(_, ErrorKind)>(s)
};

assert_eq!(parser(&[0x40, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00][..]), Ok((&b""[..], 12.5)));
assert_eq!(parser(&[0x01]), Err(Err::Incomplete(Needed::Size(8))));