-/*
- * Copyright 2017 Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <folly/Traits.h>
-
-namespace folly {
-
-FOLLY_CREATE_HAS_MEMBER_FN_TRAITS(container_emplace_back_traits, emplace_back);
-
-template <class Container, typename... Args>
-inline
-typename std::enable_if<
- container_emplace_back_traits<Container, void(Args...)>::value>::type
-container_emplace_back_or_push_back(Container& container, Args&&... args) {
- container.emplace_back(std::forward<Args>(args)...);
-}
-
-template <class Container, typename... Args>
-inline
-typename std::enable_if<
- !container_emplace_back_traits<Container, void(Args...)>::value>::type
-container_emplace_back_or_push_back(Container& container, Args&&... args) {
- using v = typename Container::value_type;
- container.push_back(v(std::forward<Args>(args)...));
-}
-
-} // namespace folly