| // 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. |
| |
| // run-pass |
| // revisions: lxl nll |
| |
| #![cfg_attr(nll, feature(nll))] |
| |
| struct Foo { |
| x: u32 |
| } |
| |
| impl Foo { |
| fn twiddle(&mut self) -> &mut Self { self } |
| fn twaddle(&mut self) -> &mut Self { self } |
| fn emit(&mut self) { |
| self.x += 1; |
| } |
| } |
| |
| fn main() { |
| let mut foo = Foo { x: 0 }; |
| match 22 { |
| 22 => &mut foo, |
| 44 => foo.twiddle(), |
| _ => foo.twaddle(), |
| }.emit(); |
| } |
