rocket::mtls::x509::der_parser::asn1_rs::nom::number::streaming

Function be_f64

Source 
pub fn be_f64<I, E>(input: I) -> Result<(I, f64), Err<E>>
where
    E: ParseError<I>,
    I: Slice<RangeFrom<usize>> + InputIter<Item = u8> + InputLength,
Available on crate feature mtls only.
Expand description

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::new(7))));