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
  //
  //===----------------------------------------------------------------------===//
  
  // <locale>
  
  // template <> class codecvt<char, char, mbstate_t>
  
  // result out(stateT& state,
  //            const internT* from, const internT* from_end, const internT*& from_next,
  //            externT* to, externT* to_end, externT*& to_next) const;
  
  #include <locale>
  #include <string>
  #include <vector>
  #include <cassert>
  
  typedef std::codecvt<char, char, std::mbstate_t> F;
  
  int main(int, char**)
  {
      std::locale l = std::locale::classic();
      const std::basic_string<F::intern_type> from("some text");
      std::vector<char> to(from.size());
      const F& f = std::use_facet<F>(l);
      std::mbstate_t mbs = {};
      const char* from_next = 0;
      char* to_next = 0;
      assert(f.out(mbs, from.data(), from.data() + from.size(), from_next,
                        to.data(), to.data() + to.size(), to_next) == F::noconv);
      assert(from_next == from.data());
      assert(to_next == to.data());
  
    return 0;
  }
  