Sprout/sprout/weed/expr/make_terminal.hpp

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2011-11-13 08:54:38 +00:00
#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>
#include <sprout/weed/detail/uncvref.hpp>
namespace sprout {
namespace weed {
//
// make_terminal
//
template<typename Arg>
SPROUT_CONSTEXPR inline typename std::enable_if<
!sprout::weed::traits::is_c_str<
typename sprout::weed::detail::uncvref<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>
SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::weed::traits::is_c_str<
typename sprout::weed::detail::uncvref<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