| // 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. |
| |
| #![deny(unused_variables)] |
| |
| fn f(_: i32) {} |
| |
| fn main() { |
| let mut v = 0; |
| f(v); |
| v = match 0 { a => 0 }; //~ ERROR: unused variable: `a` |
| f(v); |
| } |
