| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <utility> |
| |
| // template<class T, T... I> |
| // struct integer_sequence |
| // { |
| // typedef T type; |
| // |
| // static constexpr size_t size() noexcept; |
| // }; |
| |
| // This test is a conforming extension. The extension turns undefined behavior |
| // into a compile-time error. |
| |
| #include <utility> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| #if TEST_STD_VER > 11 |
| |
| // Should fail to compile, since float is not an integral type |
| using floatmix = std::integer_sequence<float>; |
| floatmix::value_type I; |
| |
| #else |
| |
| X |
| |
| #endif // TEST_STD_VER > 11 |
| |
| return 0; |
| } |