| // 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. |
| |
| #[derive(Copy, Clone)] |
| struct S; |
| |
| impl S { |
| fn mutate(&mut self) { |
| } |
| } |
| |
| fn func(arg: S) { |
| //~^ HELP make this binding mutable |
| //~| SUGGESTION mut arg |
| arg.mutate(); |
| //~^ ERROR cannot borrow immutable argument |
| //~| cannot borrow mutably |
| } |
| |
| fn main() { |
| let local = S; |
| //~^ HELP make this binding mutable |
| //~| SUGGESTION mut local |
| local.mutate(); |
| //~^ ERROR cannot borrow immutable local variable |
| //~| cannot borrow mutably |
| } |
