]> git.lizzy.rs Git - rust.git/blob - src/test/ui/issue-13727.rs
added function to check if lints belong to an external macro
[rust.git] / src / test / ui / issue-13727.rs
1 // Copyright 2016 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.
4 //
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.
10
11 #![allow(overflowing_literals)]
12 #![deny(unreachable_patterns)]
13
14 fn test(val: u8) {
15   match val {
16     256 => print!("0b1110\n"),
17     512 => print!("0b1111\n"),
18     //~^ ERROR: unreachable pattern
19     _   => print!("fail\n"),
20   }
21 }
22
23 fn main() {
24   test(1);
25 }