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
  //
  //===----------------------------------------------------------------------===//
  
  // <string>
  
  // template<class charT, class traits, class Allocator>
  //   bool operator==(const charT* lhs, const basic_string<charT,traits> rhs);
  // template<class charT, class traits, class Allocator>
  //   bool operator==(const basic_string_view<charT,traits> lhs, const CharT* rhs);
  
  #include <string_view>
  #include <string>
  #include <cassert>
  
  template <class S>
  void
  test(const std::string &lhs, S rhs, bool x)
  {
      assert((lhs == rhs) == x);
      assert((rhs == lhs) == x);
  }
  
  int main(int, char**)
  {
      {
      typedef std::string_view S;
      test("", S(""), true);
      test("", S("abcde"), false);
      test("", S("abcdefghij"), false);
      test("", S("abcdefghijklmnopqrst"), false);
      test("abcde", S(""), false);
      test("abcde", S("abcde"), true);
      test("abcde", S("abcdefghij"), false);
      test("abcde", S("abcdefghijklmnopqrst"), false);
      test("abcdefghij", S(""), false);
      test("abcdefghij", S("abcde"), false);
      test("abcdefghij", S("abcdefghij"), true);
      test("abcdefghij", S("abcdefghijklmnopqrst"), false);
      test("abcdefghijklmnopqrst", S(""), false);
      test("abcdefghijklmnopqrst", S("abcde"), false);
      test("abcdefghijklmnopqrst", S("abcdefghij"), false);
      test("abcdefghijklmnopqrst", S("abcdefghijklmnopqrst"), true);
      }
  
    return 0;
  }
  
  