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0001 // 0002 // MIT License 0003 // Copyright (c) 2020 Jonathan R. Madsen 0004 // Permission is hereby granted, free of charge, to any person obtaining a copy 0005 // of this software and associated documentation files (the "Software"), to deal 0006 // in the Software without restriction, including without limitation the rights 0007 // to use, copy, modify, merge, publish, distribute, sublicense, and 0008 // copies of the Software, and to permit persons to whom the Software is 0009 // furnished to do so, subject to the following conditions: 0010 // The above copyright notice and this permission notice shall be included in 0011 // all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED 0012 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 0013 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 0014 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 0015 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 0016 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 0017 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 0018 // 0019 // 0020 // --------------------------------------------------------------- 0021 // Tasking class header file 0022 // 0023 // Class Description: 0024 // 0025 // This is the join function used by task groups 0026 // 0027 // --------------------------------------------------------------- 0028 // Author: Jonathan Madsen (Feb 13th 2018) 0029 // --------------------------------------------------------------- 0030 0031 #pragma once 0032 0033 #include "PTL/Types.hh" 0034 0035 #include <functional> 0036 #include <utility> 0037 0038 namespace PTL 0039 { 0040 template <typename JoinT, typename JoinArg> 0041 struct JoinFunction 0042 { 0043 public: 0044 using Type = std::function<JoinT(JoinT&, JoinArg&&)>; 0045 0046 public: 0047 PTL_DEFAULT_OBJECT(JoinFunction) 0048 0049 template <typename Func> 0050 JoinFunction(Func&& func) 0051 : m_func(std::forward<Func>(func)) 0052 {} 0053 0054 template <typename... Args> 0055 JoinT& operator()(Args&&... args) 0056 { 0057 return std::move(m_func(std::forward<Args>(args)...)); 0058 } 0059 0060 private: 0061 Type m_func = [](JoinT& lhs, JoinArg&&) { return lhs; }; 0062 }; 0063 0064 //--------------------------------------------------------------------------------------// 0065 0066 template <typename JoinArg> 0067 struct JoinFunction<void, JoinArg> 0068 { 0069 public: 0070 using Type = std::function<void(JoinArg)>; 0071 0072 public: 0073 PTL_DEFAULT_OBJECT(JoinFunction) 0074 0075 template <typename Func> 0076 JoinFunction(Func&& func) 0077 : m_func(std::forward<Func>(func)) 0078 {} 0079 0080 template <typename... Args> 0081 void operator()(Args&&... args) 0082 { 0083 m_func(std::forward<Args>(args)...); 0084 } 0085 0086 private: 0087 Type m_func = [](JoinArg) {}; 0088 }; 0089 0090 //--------------------------------------------------------------------------------------// 0091 0092 template <> 0093 struct JoinFunction<void, void> 0094 { 0095 public: 0096 using Type = std::function<void()>; 0097 0098 public: 0099 PTL_DEFAULT_OBJECT(JoinFunction) 0100 0101 template <typename Func> 0102 JoinFunction(Func&& func) 0103 : m_func(std::forward<Func>(func)) 0104 {} 0105 0106 void operator()() { m_func(); } 0107 0108 private: 0109 Type m_func = []() {}; 0110 }; 0111 0112 } // namespace PTL
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