Sprout/sprout/weed/expr/expr.hpp
2014-02-22 16:32:51 +09:00

42 lines
1.2 KiB
C++

/*=============================================================================
Copyright (c) 2011-2014 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_WEED_EXPR_EXPR_HPP
#define SPROUT_WEED_EXPR_EXPR_HPP
#include <sprout/config.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/weed/expr/expr_fwd.hpp>
#include <sprout/weed/expr/tag.hpp>
#include <sprout/weed/traits/expr/expr_of.hpp>
namespace sprout {
namespace weed {
//
// expr
//
template<typename Tag, typename... Args>
class expr {
public:
typedef Tag expr_tag;
typedef sprout::tuples::tuple<Args...> args_type;
private:
args_type args_;
public:
template<typename... As>
explicit SPROUT_CONSTEXPR expr(As&&... args)
: args_(SPROUT_FORWARD(As, args)...)
{}
SPROUT_CONSTEXPR args_type const& args() const {
return args_;
}
};
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_EXPR_EXPR_HPP