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
27 lines
906 B
C++
27 lines
906 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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// <string_view>
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// template<class charT, class traits>
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// inline constexpr bool ranges::enable_borrowed_range<
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// basic_string_view<charT, traits>> = true;
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#include <string_view>
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#include "test_macros.h"
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void test() {
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using std::ranges::enable_borrowed_range;
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static_assert(enable_borrowed_range<std::basic_string_view<char> >);
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static_assert(enable_borrowed_range<std::basic_string_view<wchar_t> >);
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static_assert(enable_borrowed_range<std::basic_string_view<char8_t> >);
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}
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