1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// type_traits 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// enable_if 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <type_traits> 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert((std::is_same<std::enable_if<true>::type, void>::value), ""); 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static_assert((std::is_same<std::enable_if<true, int>::type, int>::value), ""); 20933afa9761c1c1f916161278a99284d50a594939Marshall Clow#if _LIBCPP_STD_VER > 11 21933afa9761c1c1f916161278a99284d50a594939Marshall Clow static_assert((std::is_same<std::enable_if_t<true>, void>::value), ""); 22933afa9761c1c1f916161278a99284d50a594939Marshall Clow static_assert((std::is_same<std::enable_if_t<true, int>, int>::value), ""); 23933afa9761c1c1f916161278a99284d50a594939Marshall Clow#endif 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 25