text: #include <json.hpp>
  
  using json = nlohmann::json;
  
  int main()
  {
      // create several JSON values
      json array_1 = {1, 2, 3};
      json array_2 = {1, 2, 4};
      json object_1 = {{"A", "a"}, {"B", "b"}};
      json object_2 = {{"B", "b"}, {"A", "a"}};
      json number_1 = 17;
      json number_2 = 17.0000000000001L;
      json string_1 = "foo";
      json string_2 = "bar";
  
      // output values and comparisons
      std::cout << std::boolalpha;
      std::cout << array_1 << " == " << array_2 << " " << (array_1 < array_2) << '\n';
      std::cout << object_1 << " == " << object_2 << " " << (object_1 < object_2) << '\n';
      std::cout << number_1 << " == " << number_2 << " " << (number_1 < number_2) << '\n';
      std::cout << string_1 << " == " << string_2 << " " << (string_1 < string_2) << '\n';
  }
  