mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
22 lines
436 B
Rust
22 lines
436 B
Rust
// run-pass
|
|
#![feature(box_patterns)]
|
|
|
|
#[derive(Debug, PartialEq)]
|
|
enum Test {
|
|
Foo(usize),
|
|
Bar(isize),
|
|
}
|
|
|
|
fn main() {
|
|
let a = Box::new(Test::Foo(10));
|
|
let b = Box::new(Test::Bar(-20));
|
|
match (a, b) {
|
|
(_, box Test::Foo(_)) => unreachable!(),
|
|
(box Test::Foo(x), b) => {
|
|
assert_eq!(x, 10);
|
|
assert_eq!(b, Box::new(Test::Bar(-20)));
|
|
},
|
|
_ => unreachable!(),
|
|
}
|
|
}
|