| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| // concept range; |
| |
| #include <ranges> |
| |
| #include <vector> |
| |
| #include "test_range.h" |
| |
| |
| |
| static_assert(std::ranges::range<test_range<cpp20_input_iterator> >); |
| |
| struct incompatible_iterators { |
| int* begin(); |
| long* end(); |
| }; |
| static_assert(!std::ranges::range<incompatible_iterators>); |
| |
| struct int_begin_int_end { |
| int begin(); |
| int end(); |
| }; |
| static_assert(!std::ranges::range<int_begin_int_end>); |
| |
| struct iterator_begin_int_end { |
| int* begin(); |
| int end(); |
| }; |
| static_assert(!std::ranges::range<iterator_begin_int_end>); |
| |
| struct int_begin_iterator_end { |
| int begin(); |
| int* end(); |
| }; |
| static_assert(!std::ranges::range<int_begin_iterator_end>); |