31 lines
941 B
C++
31 lines
941 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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// common_view() requires default_initializable<V> = default;
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#include <ranges>
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#include <cassert>
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#include <concepts>
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#include "test_iterators.h"
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#include "types.h"
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int main(int, char**) {
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static_assert(!std::default_initializable<std::ranges::common_view<MoveOnlyView>>);
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static_assert( std::default_initializable<std::ranges::common_view<DefaultConstructibleView>>);
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std::ranges::common_view<DefaultConstructibleView> common;
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assert(common.begin() == nullptr);
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assert(common.end() == nullptr);
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return 0;
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}
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