| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| |
| // template<class I> |
| // concept permutable = see below; // Since C++20 |
| |
| #include <iterator> |
| |
| template<class I> void test_subsumption() requires std::forward_iterator<I>; |
| template<class I> void test_subsumption() requires std::indirectly_movable_storable<I, I>; |
| template<class I> void test_subsumption() requires std::indirectly_swappable<I, I>; |
| template<class I> constexpr bool test_subsumption() requires std::permutable<I> { return true; } |
| static_assert(test_subsumption<int*>()); |