46 lines
1.1 KiB
Rust
46 lines
1.1 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
// Check that constant ADTs are translated OK, part k of N.
|
|
|
|
#![feature(slice_patterns)]
|
|
|
|
enum Bar {
|
|
C
|
|
}
|
|
|
|
enum Foo {
|
|
A {},
|
|
B {
|
|
y: usize,
|
|
z: Bar
|
|
},
|
|
}
|
|
|
|
const LIST: [(usize, Foo); 2] = [
|
|
(51, Foo::B { y: 42, z: Bar::C }),
|
|
(52, Foo::B { y: 45, z: Bar::C }),
|
|
];
|
|
|
|
pub fn main() {
|
|
match LIST {
|
|
[
|
|
(51, Foo::B { y: 42, z: Bar::C }),
|
|
(52, Foo::B { y: 45, z: Bar::C })
|
|
] => {}
|
|
_ => {
|
|
// I would want to print the enum here, but if
|
|
// the discriminant is garbage this causes an
|
|
// `unreachable` and silent process exit.
|
|
panic!("trivial match failed")
|
|
}
|
|
}
|
|
}
|