| // Copyright 2017 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 do_something<T>(collection: &mut Vec<T>) { |
| let _a = &collection; |
| collection.swap(1, 2); //~ ERROR also borrowed as immutable |
| _a.use_ref(); |
| } |
| |
| fn main() { } |
| |
| trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } } |
| impl<T> Fake for T { } |
