/*
|
* Copyright 2016 Google Inc.
|
*
|
* Use of this source code is governed by a BSD-style license that can be
|
* found in the LICENSE file.
|
*/
|
|
#ifndef SkExchange_DEFINED
|
#define SkExchange_DEFINED
|
|
#include <utility>
|
|
namespace skstd {
|
|
// std::exchange is in C++14
|
template<typename T, typename U = T>
|
inline static T exchange(T& obj, U&& new_val) {
|
T old_val = std::move(obj);
|
obj = std::forward<U>(new_val);
|
return old_val;
|
}
|
|
}
|
|
#endif // SkExchange_DEFINED
|