| 1 | //===----------------------------------------------------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
|---|
| 10 | |
|---|
| 11 | #include <functional> |
|---|
| 12 | |
|---|
| 13 | template<class T> |
|---|
| 14 | concept Transparent = requires { |
|---|
| 15 | typename T::is_transparent; |
|---|
| 16 | }; |
|---|
| 17 | |
|---|
| 18 | static_assert(Transparent<std::compare_three_way>); |
|---|
| 19 | |
|---|
