1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Test that structural match is only permitted with a feature gate,
12 // and that if a feature gate is supplied, it permits the type to be
15 // revisions: with_gate no_gate
17 // gate-test-structural_match
20 #![feature(rustc_attrs)]
21 #![cfg_attr(with_gate, feature(structural_match))]
23 #[structural_match] //[no_gate]~ ERROR semantics of constant patterns is not yet settled
28 const FOO: Foo = Foo { x: 0 };
31 fn main() { //[with_gate]~ ERROR compilation successful