| // Copyright 2018 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 capturing a mutable reference by move and assigning to its |
| // referent doesn't make the unused mut lint think that it is mutable. |
| |
| #![feature(nll)] |
| #![deny(unused_mut)] |
| |
| fn mutable_upvar() { |
| let mut x = &mut 0; |
| //~^ ERROR |
| move || { |
| *x = 1; |
| }; |
| } |
| |
| fn main() {} |
