Sprout/sprout/optional/make_optional.hpp
2013-05-18 21:37:54 +09:00

25 lines
780 B
C++

#ifndef SPROUT_OPTIONAL_MAKE_OPTIONAL_HPP
#define SPROUT_OPTIONAL_MAKE_OPTIONAL_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/optional/optional.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
//
// make_optional
//
template<typename T>
inline SPROUT_CONSTEXPR sprout::optional<typename std::decay<T>::type>
make_optional(T&& v) {
return sprout::optional<typename std::decay<T>::type>(sprout::forward<T>(v));
}
template<typename T>
inline SPROUT_CONSTEXPR sprout::optional<typename std::decay<T>::type>
make_optional(bool cond, T&& v) {
return sprout::optional<typename std::decay<T>::type>(cond, sprout::forward<T>(v));
}
} // namespace sprout
#endif // #ifndef SPROUT_OPTIONAL_MAKE_OPTIONAL_HPP