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 #if _LIBCPP_STD_VER > 11 19 typedef std::enable_if_t<false> A; 20 #else 21 static_assert ( false, "" ); 22 #endif 23 } 24