1 // Copyright 2019 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_TEST_GMOCK_MOVE_SUPPORT_H_ 6 #define BASE_TEST_GMOCK_MOVE_SUPPORT_H_ 7 8 #include <cstddef> 9 #include <tuple> 10 #include <utility> 11 12 // A similar action as testing::SaveArg, but it does an assignment with 13 // std::move() instead of always performing a copy. 14 template <size_t I = 0, typename T> MoveArg(T * out)15auto MoveArg(T* out) { 16 return [out](auto&&... args) { 17 *out = std::move(std::get<I>(std::tie(args...))); 18 }; 19 } 20 21 #endif // BASE_TEST_GMOCK_MOVE_SUPPORT_H_ 22