1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
10 #![warn(clippy::temporary_assignment)]
12 use std::ops::{Deref, DerefMut};
19 inner: &'a mut Struct,
22 impl<'a> Deref for Wrapper<'a> {
24 fn deref(&self) -> &Struct {
29 impl<'a> DerefMut for Wrapper<'a> {
30 fn deref_mut(&mut self) -> &mut Struct {
36 let mut s = Struct { field: 0 };
39 Struct { field: 0 }.field = 1;
45 Wrapper { inner: &mut s }.field = 1;