#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let a = ("foobar", column!()).1;
    let b = ("人之初性本善", column!()).1;
    let c = ("f̅o̅o̅b̅a̅r̅", column!()).1;
    assert_eq!(a, b);
    assert_ne!(b, c);
}