1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // UNSUPPORTED: c++98, c++03, c++11
11 // <experimental/type_traits>
13 #include <experimental/type_traits>
16 #include "test_macros.h"
18 namespace ex = std::experimental;
21 using hasFoo = typename T::Foo;
31 template <typename T, typename Res>
33 static_assert( std::is_same<Res, typename ex::detected_or <double, hasFoo, T>::type>::value, "" );
34 static_assert( std::is_same<Res, typename ex::detected_or_t<double, hasFoo, T> >::value, "" );
39 test<noFoo, double>();