28 lines
557 B
Rust
28 lines
557 B
Rust
// run-pass
|
|
|
|
// Ensure that we can do a destructuring bind of a fixed-size array,
|
|
// even when the element type has a destructor.
|
|
|
|
struct D { x: u8 }
|
|
|
|
impl Drop for D { fn drop(&mut self) { } }
|
|
|
|
fn main() {
|
|
fn d(x: u8) -> D { D { x: x } }
|
|
|
|
let d1 = foo([d(1), d(2), d(3), d(4)], 1);
|
|
let d3 = foo([d(5), d(6), d(7), d(8)], 3);
|
|
assert_eq!(d1.x, 2);
|
|
assert_eq!(d3.x, 8);
|
|
}
|
|
|
|
fn foo([a, b, c, d]: [D; 4], i: usize) -> D {
|
|
match i {
|
|
0 => a,
|
|
1 => b,
|
|
2 => c,
|
|
3 => d,
|
|
_ => panic!("unmatched"),
|
|
}
|
|
}
|