combine::parser::byte

Function oct_digit

Source 
pub fn oct_digit<I>() -> OctDigit<I>
where
    I: Stream<Item = u8>,
    I::Error: ParseError<I::Item, I::Range, I::Position>,
Expand description

Parses an octal digit.

use combine::Parser;
use combine::parser::byte::oct_digit;
assert_eq!(oct_digit().parse(&b"7"[..]), Ok((b'7', &b""[..])));
assert!(oct_digit().parse(&b"8"[..]).is_err());