Function neure::neu::control

pub const fn control() -> Control

Reference is_control.

Example

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

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

    assert_eq!(ctx.try_mat(&control)?, Span::new(0, 4));
    assert!(ctx.try_mat(&control).is_err());
    Ok(())
}