| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // UNSUPPORTED: libcpp-no-concepts |
| // UNSUPPORTED: libcpp-has-no-incomplete-ranges |
| |
| // template<class T> |
| // single_view(T) -> single_view<T>; |
| |
| #include <ranges> |
| |
| #include <cassert> |
| #include <concepts> |
| |
| #include "test_iterators.h" |
| |
| struct Empty {}; |
| |
| static_assert(std::same_as< |
| decltype(std::ranges::single_view(Empty())), |
| std::ranges::single_view<Empty> |
| >); |
| |
| static_assert(std::same_as< |
| decltype(std::ranges::single_view(std::declval<Empty&>())), |
| std::ranges::single_view<Empty> |
| >); |
| |
| static_assert(std::same_as< |
| decltype(std::ranges::single_view(std::declval<Empty&&>())), |
| std::ranges::single_view<Empty> |
| >); |