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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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*
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* Tencent is pleased to support the open source community by making
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* Hippy available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef ANDROID_HIPPY_COPYABLELAMBDA_H
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#define ANDROID_HIPPY_COPYABLELAMBDA_H
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namespace hippy {
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namespace base {
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template <typename T>
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class CopyableLambda {
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public:
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explicit CopyableLambda(T func)
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: impl_(std::make_shared<Impl>(std::move(func))) {}
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template <typename... ArgType>
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void operator()(ArgType&&... args) const {
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impl_->func_(std::forward<ArgType>(args)...);
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}
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private:
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class Impl {
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public:
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explicit Impl(T func) : func_(std::move(func)) {}
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T func_;
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};
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std::shared_ptr<Impl> impl_;
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};
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template <typename T>
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CopyableLambda<T> MakeCopyable(T lambda) {
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return CopyableLambda<T>(std::move(lambda));
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}
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} // namespace base
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} // namespace hippy
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#endif // ANDROID_HIPPY_COPYABLELAMBDA_H
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