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37 lines
1.1 KiB
C++
37 lines
1.1 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_BIT_AND_ASSIGN_HPP
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#define SPROUT_FUNCTIONAL_BIT_AND_ASSIGN_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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// bit_and_assign
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//
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template<typename T = void>
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struct bit_and_assign;
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template<>
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struct bit_and_assign<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, typename U>
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SPROUT_CONSTEXPR decltype(std::declval<T>() &= std::declval<U>())
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operator()(T&& x, U&& y)
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const SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(std::declval<T>() &= std::declval<U>()))
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{
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return sprout::forward<T>(x) &= sprout::forward<U>(y);
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}
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};
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} // namespace sprout
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#endif // #ifndef SPROUT_FUNCTIONAL_BIT_AND_ASSIGN_HPP
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