1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // type_traits 11 12 // enable_if 13 14 #include <type_traits> 15 16 int main() 17 { 18 static_assert((std::is_same<std::enable_if<true>::type, void>::value), ""); 19 static_assert((std::is_same<std::enable_if<true, int>::type, int>::value), ""); 20 #if _LIBCPP_STD_VER > 11 21 static_assert((std::is_same<std::enable_if_t<true>, void>::value), ""); 22 static_assert((std::is_same<std::enable_if_t<true, int>, int>::value), ""); 23 #endif 24 } 25