d2baefae68
All supported compilers that support C++20 now support concepts. So, remove `_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBCPP_STD_VER > 17`. Similarly in the tests, remove `// UNSUPPORTED: libcpp-no-concepts`. Differential Revision: https://reviews.llvm.org/D121528
21 lines
899 B
C++
21 lines
899 B
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// template<class I>
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// concept permutable = see below; // Since C++20
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#include <iterator>
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template<class I> void test_subsumption() requires std::forward_iterator<I>;
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template<class I> void test_subsumption() requires std::indirectly_movable_storable<I, I>;
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template<class I> void test_subsumption() requires std::indirectly_swappable<I, I>;
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template<class I> constexpr bool test_subsumption() requires std::permutable<I> { return true; }
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static_assert(test_subsumption<int*>());
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