Sprout/sprout/variant/apply_visitor.hpp
2015-01-10 19:13:57 +09:00

30 lines
1.1 KiB
C++

/*=============================================================================
Copyright (c) 2011-2015 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_VARIANT_APPLY_VISITOR_HPP
#define SPROUT_VARIANT_APPLY_VISITOR_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/variant/visitor_result.hpp>
namespace sprout {
//
// apply_visitor
//
template<typename Visitor, typename Visitable>
inline SPROUT_CONSTEXPR typename sprout::visitor_result<
typename std::remove_reference<Visitor>::type,
typename std::remove_reference<Visitable>::type
>::type
apply_visitor(Visitor&& visitor, Visitable&& visitable) {
return SPROUT_FORWARD(Visitable, visitable).apply_visitor(SPROUT_FORWARD(Visitor, visitor));
}
} // namespace sprout
#endif // #ifndef SPROUT_VARIANT_APPLY_VISITOR_HPP