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Sprout/sprout/functional/polymorphic/address_of.hpp

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2012-06-21 04:34:26 +00:00
#ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_ADDRESS_OF_HPP
#define SPROUT_FUNCTIONAL_POLYMORPHIC_ADDRESS_OF_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
//
// address_of_t
// address_of_
//
struct address_of_t {
public:
template<typename T>
SPROUT_CONSTEXPR decltype(&std::declval<T>())
operator()(T&& x)
const SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(&std::declval<T>()))
{
return &sprout::forward<T>(x);
}
};
namespace {
SPROUT_STATIC_CONSTEXPR sprout::address_of_t address_of_{};
} // anonymous-namespace
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_POLYMORPHIC_ADDRESS_OF_HPP