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Use invoke_result_t in threadpool

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rexy712 2022-06-26 14:56:24 -07:00
parent 2ecbff1cdd
commit 272b5c1238
1 changed files with 4 additions and 3 deletions
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7
include/rexy/threadpool.hpp
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@ -1,6 +1,6 @@
/** /**
This file is a part of rexy's general purpose library This file is a part of rexy's general purpose library
Copyright (C) 2020 rexy712 Copyright (C) 2020-2022 rexy712
This program is free software: you can redistribute it and/or modify This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
@ -29,6 +29,7 @@
#include <future> //future, packaged_task #include <future> //future, packaged_task
#include <functional> //function, bind #include <functional> //function, bind
#include <utility> //move, forward #include <utility> //move, forward
#include <type_traits> //invoke_result_t
#include "rexy.hpp" #include "rexy.hpp"
@ -62,14 +63,14 @@ namespace rexy{
void invalidate(void); void invalidate(void);
template<class Func, class... Args> template<class Func, class... Args>
auto add_job(Func&& f, Args&&... args) -> std::future<decltype(std::forward<Func>(f)(std::forward<Args>(args)...))>; auto add_job(Func&& f, Args&&... args) -> std::future<std::invoke_result_t<Func,Args...>>;
private: private:
void worker_loop(void); void worker_loop(void);
}; };
template<class Func, class... Args> template<class Func, class... Args>
auto threadpool::add_job(Func&& f, Args&&... args) -> std::future<decltype(std::forward<Func>(f)(std::forward<Args>(args)...))>{ auto threadpool::add_job(Func&& f, Args&&... args) -> std::future<std::invoke_result_t<Func,Args...>>{
using return_t = decltype(std::forward<Func>(f)(std::forward<Args>(args)...)); using return_t = decltype(std::forward<Func>(f)(std::forward<Args>(args)...));
using task_t = std::packaged_task<return_t(void)>; using task_t = std::packaged_task<return_t(void)>;