2019-07-27 18:56:16 +03:00

27 lines
584 B
Rust

// run-pass
#![feature(box_syntax)]
pub fn main() {
// Tests for indexing into box/& [T; n]
let x: [isize; 3] = [1, 2, 3];
let mut x: Box<[isize; 3]> = box x;
assert_eq!(x[0], 1);
assert_eq!(x[1], 2);
assert_eq!(x[2], 3);
x[1] = 45;
assert_eq!(x[0], 1);
assert_eq!(x[1], 45);
assert_eq!(x[2], 3);
let mut x: [isize; 3] = [1, 2, 3];
let x: &mut [isize; 3] = &mut x;
assert_eq!(x[0], 1);
assert_eq!(x[1], 2);
assert_eq!(x[2], 3);
x[1] = 45;
assert_eq!(x[0], 1);
assert_eq!(x[1], 45);
assert_eq!(x[2], 3);
}