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