Function neure::neu::ascii_digit

pub const fn ascii_digit() -> AsciiDigit

Reference is_ascii_digit or is_ascii_digit.

Example

use neure::prelude::*;
use neu::*;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let ascii_digit = ascii_digit();
    let ascii_digit = ascii_digit.repeat_times::<2>();
    let mut ctx = CharsCtx::new("90fe");

    assert_eq!(ctx.try_mat(&ascii_digit)?, Span::new(0, 2));
    assert!(ctx.try_mat(&ascii_digit).is_err());
    Ok(())
}