libcxx/test/libcxx/ranges/range.adaptors/range.split/no_unique_address.compile.pass.cpp


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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
// XFAIL: msvc && clang-17

// class split_view {
//   _LIBCPP_NO_UNIQUE_ADDRESS _View __base_ = _View();
//   _LIBCPP_NO_UNIQUE_ADDRESS _Pattern __pattern_ = _Pattern();
// };

#include <ranges>

#include "test_iterators.h"

struct EmptyView : std::ranges::view_base {
  int* begin() const;
  int* end() const;
};

using SplitView = std::ranges::split_view<EmptyView, EmptyView>;
static_assert(sizeof(SplitView) == sizeof(std::ranges::__non_propagating_cache<std::ranges::subrange<int*>>));