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32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2015 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_OPTIONAL_MAKE_OPTIONAL_HPP
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#define SPROUT_OPTIONAL_MAKE_OPTIONAL_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/optional/optional.hpp>
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#include <sprout/utility/forward.hpp>
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namespace sprout {
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//
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// make_optional
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//
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::optional<typename std::decay<T>::type>
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make_optional(T&& v) {
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return sprout::optional<typename std::decay<T>::type>(SPROUT_FORWARD(T, v));
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}
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template<typename T>
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inline SPROUT_CONSTEXPR sprout::optional<typename std::decay<T>::type>
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make_optional(bool cond, T&& v) {
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return sprout::optional<typename std::decay<T>::type>(cond, SPROUT_FORWARD(T, v));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_OPTIONAL_MAKE_OPTIONAL_HPP
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