Function neure::neu::uppercase

pub const fn uppercase() -> Uppercase

Reference is_uppercase.

Example

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

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

    assert_eq!(ctx.try_mat(&uppercase)?, Span::new(0, 3));
    assert!(ctx.try_mat(&uppercase).is_err());
    Ok(())
}