Sprout/sprout/weed/expr/make_terminal.hpp

41 lines
1.2 KiB
C++

#ifndef SPROUT_WEED_EXPR_MAKE_TERMINAL_HPP
#define SPROUT_WEED_EXPR_MAKE_TERMINAL_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/string.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/weed/traits/type/is_c_str.hpp>
#include <sprout/weed/traits/expr/terminal_of.hpp>
namespace sprout {
namespace weed {
//
// make_terminal
//
template<typename Arg>
inline SPROUT_CONSTEXPR typename std::enable_if<
!sprout::weed::traits::is_c_str<
typename std::remove_reference<Arg>::type
>::value,
typename sprout::weed::traits::terminal_of<Arg>::type
>::type make_terminal(Arg&& arg) {
return typename sprout::weed::traits::terminal_of<Arg>::type(
sprout::forward<Arg>(arg)
);
}
template<typename Arg>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::weed::traits::is_c_str<
typename std::remove_reference<Arg>::type
>::value,
typename sprout::weed::traits::terminal_of<Arg>::type
>::type make_terminal(Arg&& arg) {
return typename sprout::weed::traits::terminal_of<Arg>::type(
sprout::to_string(sprout::forward<Arg>(arg))
);
}
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_EXPR_MAKE_TERMINAL_HPP