rust/src/test/compile-fail/issue-27033.rs
Ariel Ben-Yehuda 757b0c176f prohibit the lhs of an @-pattern being a constant
as this breaks code that worked under some conditions, this is a
[breaking-change]

Fixes #27033
Fixes #27077
2015-07-28 19:51:08 +03:00

23 lines
754 B
Rust

// Copyright 2015 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.
fn main() {
match Some(1) {
None @ _ => {} //~ ERROR declaration of `None` shadows an enum variant
};
const C: u8 = 1;
match 1 {
C @ 2 => { //~ ERROR only irrefutable patterns allowed here
println!("{}", C);
}
_ => {}
};
}