rust/tests/ui/array-slice-vec/vec-dst.rs
2024-02-16 20:02:50 +00:00

25 lines
571 B
Rust

//@ run-pass
pub fn main() {
// Tests for indexing into Box<[T; n]>/& [T; n]
let x: [isize; 3] = [1, 2, 3];
let mut x: Box<[isize; 3]> = x.into();
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);
}