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//===----------------------------------------------------------------------===//
//
// 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
// <ranges>
// template<class T>
// concept view = ...;
#include <ranges>
#include "test_macros.h"
struct View : std::ranges::view_base {
View() = default;
View(View&&) = default;
View& operator=(View&&) = default;
friend int* begin(View&);
friend int* begin(View const&);
friend int* end(View&);
friend int* end(View const&);
};
namespace subsume_range {
template <std::ranges::view>
constexpr bool test() { return true; }
template <std::ranges::range>
constexpr bool test() { return false; }
static_assert(test<View>());
}
namespace subsume_movable {
template <std::ranges::view>
constexpr bool test() { return true; }
template <std::movable>
constexpr bool test() { return false; }
static_assert(test<View>());
}
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