| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // constexpr explicit sentinel(Bound bound); |
| |
| #include <cassert> |
| #include <ranges> |
| #include <type_traits> |
| |
| #include "test_macros.h" |
| #include "../types.h" |
| |
| constexpr bool test() { |
| { |
| using Sent = std::ranges::sentinel_t<std::ranges::iota_view<int, IntSentinelWith<int>>>; |
| using Iter = std::ranges::iterator_t<std::ranges::iota_view<int, IntSentinelWith<int>>>; |
| auto sent = Sent(IntSentinelWith<int>(42)); |
| assert(sent == Iter(42)); |
| } |
| { |
| using Sent = std::ranges::sentinel_t<std::ranges::iota_view<SomeInt, IntSentinelWith<SomeInt>>>; |
| using Iter = std::ranges::iterator_t<std::ranges::iota_view<SomeInt, IntSentinelWith<SomeInt>>>; |
| auto sent = Sent(IntSentinelWith<SomeInt>(SomeInt(42))); |
| assert(sent == Iter(SomeInt(42))); |
| } |
| { |
| using Sent = std::ranges::sentinel_t<std::ranges::iota_view<SomeInt, IntSentinelWith<SomeInt>>>; |
| static_assert(!std::is_convertible_v<Sent, IntSentinelWith<SomeInt>>); |
| static_assert( std::is_constructible_v<Sent, IntSentinelWith<SomeInt>>); |
| } |
| |
| return true; |
| } |
| |
| int main(int, char**) { |
| test(); |
| static_assert(test()); |
| |
| return 0; |
| } |