text: //===----------------------------------------------------------------------===//
  //
  // 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
  
  // friend constexpr decltype(auto) iter_move(const iterator& i)
  //    noexcept(noexcept(invoke(i.parent_->fun_, *i.current_)))
  
  #include <ranges>
  
  #include "test_macros.h"
  #include "../types.h"
  
  constexpr bool test() {
    int buff[8] = {0, 1, 2, 3, 4, 5, 6, 7};
  
    {
      std::ranges::transform_view transformView(MoveOnlyView{buff}, PlusOneMutable{});
      auto iter = transformView.begin();
      static_assert(!noexcept(std::ranges::iter_move(iter)));
  
      assert(std::ranges::iter_move(iter) == 1);
      assert(std::ranges::iter_move(iter + 2) == 3);
  
      ASSERT_SAME_TYPE(int, decltype(std::ranges::iter_move(iter)));
      ASSERT_SAME_TYPE(int, decltype(std::ranges::iter_move(std::move(iter))));
    }
  
    {
      static_assert( noexcept(std::ranges::iter_move(
        std::declval<std::ranges::iterator_t<std::ranges::transform_view<MoveOnlyView, PlusOneNoexcept>>&>())));
      static_assert(!noexcept(std::ranges::iter_move(
        std::declval<std::ranges::iterator_t<std::ranges::transform_view<MoveOnlyView, PlusOneMutable>>&>())));
    }
  
    return true;
  }
  
  int main(int, char**) {
    test();
    static_assert(test());
  
    return 0;
  }
  