text: // Range v3 library
  //
  //  Copyright Eric Niebler 2014-present
  //
  //  Use, modification and distribution is subject to the
  //  Boost Software License, Version 1.0. (See accompanying
  //  file LICENSE_1_0.txt or copy at
  //  http://www.boost.org/LICENSE_1_0.txt)
  //
  // Project home: https://github.com/ericniebler/range-v3
  
  #include <cstring>
  #include <string>
  #include <vector>
  #include <range/v3/core.hpp>
  #include <range/v3/view/move.hpp>
  #include <range/v3/algorithm/copy.hpp>
  #include <range/v3/iterator/operations.hpp>
  #include <range/v3/utility/copy.hpp>
  #include "../simple_test.hpp"
  #include "../test_utils.hpp"
  
  int main()
  {
      using namespace ranges;
      static const char * const data[] = {"'allo", "'allo", "???"};
      std::vector<MoveOnlyString> vs(begin(data), end(data));
  
      auto x = vs | views::move;
      CPP_assert(common_range<decltype(x)>);
      CPP_assert(sized_range<decltype(x)>);
      CPP_assert(view_<decltype(x)>);
      CPP_assert(common_range<decltype(x)>);
      CPP_assert(sized_range<decltype(x)>);
      CPP_assert(random_access_iterator<decltype(x.begin())>);
      using I = decltype(x.begin());
      CPP_assert(same_as<iterator_tag_of<I>, ranges::detail::random_access_iterator_tag_>);
      CPP_assert(same_as<
          typename std::iterator_traits<I>::iterator_category,
          std::random_access_iterator_tag>);
  
      CHECK(bool(*x.begin() == "'allo"));
  
      std::vector<MoveOnlyString> vs2(x.begin(), x.end());
      static_assert(std::is_same<MoveOnlyString&&, decltype(*x.begin())>::value, "");
      ::check_equal(vs2, {"'allo", "'allo", "???"});
      ::check_equal(vs, {"", "", ""});
  
      {
          MoveOnlyString data[] = {"can", "you", "hear", "me", "now?"};
          auto rng = debug_input_view<MoveOnlyString>{data} | views::move;
          MoveOnlyString target[sizeof(data) / sizeof(data[0])];
          copy(rng, target);
          ::check_equal(data, {"", "", "", "", ""});
          ::check_equal(target, {"can", "you", "hear", "me", "now?"});
      }
  
      return test_result();
  }
  