Sprout/sprout/weed/parser/lit.hpp

34 lines
853 B
C++

#ifndef SPROUT_WEED_PARSER_LIT_HPP
#define SPROUT_WEED_PARSER_LIT_HPP
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/type_traits/remove_shallow_cvref.hpp>
namespace sprout {
namespace weed {
//
// lit_g
//
struct lit_g {
public:
template<typename T, typename = void>
struct eval;
public:
template<typename T>
SPROUT_CONSTEXPR typename eval<
typename sprout::remove_shallow_cvref<T>::type
>::result_type
operator()(T&& t) const {
typedef eval<typename sprout::remove_shallow_cvref<T>::type> eval_type;
return eval_type()(sprout::forward<T>(t));
}
};
//
// lit
//
SPROUT_STATIC_CONSTEXPR sprout::weed::lit_g lit = sprout::weed::lit_g();
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_PARSER_LIT_HPP