combine::parser::char

Function oct_digit

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

Parses an octal digit.

use combine::Parser;
use combine::parser::char::oct_digit;
assert_eq!(oct_digit().parse("7"), Ok(('7', "")));
assert!(oct_digit().parse("8").is_err());