Function neure::neu::ascii_hexdigit

pub const fn ascii_hexdigit() -> AsciiHexDigit

Reference is_ascii_hexdigit or is_ascii_hexdigit.

Example

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

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let ascii_hexdigit = ascii_hexdigit();
    let ascii_hexdigit = ascii_hexdigit.repeat_times::<2>();
    let mut ctx = CharsCtx::new("9fg0");

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