Sprout/sprout/weed/expr/expr.hpp
2012-05-31 22:28:58 +09:00

35 lines
866 B
C++

#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