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add C++17 invoke function

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bolero-MURAKAMI 2017-10-11 17:18:48 +09:00
parent 64e1994734
commit eec9c86920
4 changed files with 50 additions and 7 deletions
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31
sprout/functional/invoke.hpp Normal file
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/*=============================================================================
Copyright (c) 2011 RiSK (sscrisk)
https://github.com/sscrisk/CEL---ConstExpr-Library
Copyright (c) 2011-2017 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_FUNCTIONAL_INVOKE_HPP
#define SPROUT_FUNCTIONAL_INVOKE_HPP
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/type_traits/invoke_result.hpp>
#include <sprout/type_traits/is_nothrow_invocable.hpp>
#include <sprout/type_traits/detail/invoke.hpp>
namespace sprout {
//
// invoke
//
template<typename F, typename... Args>
inline SPROUT_CONSTEXPR typename sprout::invoke_result<F, Args...>::type
invoke(F&& f, Args&&... args) SPROUT_NOEXCEPT_IF((sprout::is_nothrow_invocable<F, Args...>::value)) {
return sprout::detail::invoke(sprout::forward<F>(f), sprout::forward<Args>(args)...);
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_INVOKE_HPP