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37 lines
1 KiB
C++
37 lines
1 KiB
C++
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/*=============================================================================
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Copyright (c) 2011-2013 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_FUNCTIONAL_POST_DEC_HPP
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#define SPROUT_FUNCTIONAL_POST_DEC_HPP
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#include <utility>
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#include <sprout/config.hpp>
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#include <sprout/utility/forward.hpp>
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namespace sprout {
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//
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// post_dec
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//
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template<typename T = void>
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struct post_dec;
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template<>
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struct post_dec<void> {
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public:
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typedef void is_transparent;
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public:
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template<typename T>
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SPROUT_CONSTEXPR decltype(~std::declval<T>()--)
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operator()(T&& x)
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const SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(~std::declval<T>()--))
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{
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return sprout::forward<T>(x)--;
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}
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};
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} // namespace sprout
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#endif // #ifndef SPROUT_FUNCTIONAL_POST_DEC_HPP
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