rust/tests/pass/unsized-tuple-impls.rs
2022-06-01 10:53:38 -04:00

14 lines
351 B
Rust

#![feature(unsized_tuple_coercion)]
use std::mem;
fn main() {
let x : &(i32, i32, [i32]) = &(0, 1, [2, 3]);
let y : &(i32, i32, [i32]) = &(0, 1, [2, 3, 4]);
let mut a = [y, x];
a.sort();
assert_eq!(a, [x, y]);
assert_eq!(&format!("{:?}", a), "[(0, 1, [2, 3]), (0, 1, [2, 3, 4])]");
assert_eq!(mem::size_of_val(x), 16);
}