combine::parser::byte::num

Function f64

Source 
pub fn f64<'a, B, I>() -> F64<B, I>
where
    I: Stream<Item = u8>,
    I::Error: ParseError<I::Item, I::Range, I::Position>,
    B: ByteOrder,
Expand description

Reads a i64 out of the byte stream with the specified endianess

use combine::byteorder::{LE, ByteOrder};
use combine::Parser;
use combine::parser::byte::num::f64;

let mut buf = [0; 8];
LE::write_f64(&mut buf, 123.45);
assert_eq!(f64::<LE, _>().parse(&buf[..]), Ok((123.45, &b""[..])));
assert!(f64::<LE, _>().parse(&b"\x01\0\0\0\0\0\0"[..]).is_err());