nom::number

Function le_f64

Source
pub fn le_f64<I, E: ParseError<I>>() -> impl Parser<I, Output = f64, Error = E>
where I: Input<Item = u8>,
Expand description

Recognizes a little endian 8 bytes floating point number.

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

use nom::number::le_f64;

let parser = |s| {
  le_f64::<_, (_, ErrorKind)>().parse(s)
};

assert_eq!(parser(&[0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x41][..]), Ok((&b""[..], 3145728.0)));
assert_eq!(parser(&[0x01][..]), Err(Err::Incomplete(Needed::new(7))));