1 #include <iostream> 2 #include <nlohmann/json.hpp> 3 4 using json = nlohmann::json; 5 main()6int main() 7 { 8 // create two JSON values 9 json j1 = {1, 2, 3, 4, 5}; 10 json j2 = {{"pi", 3.141592653589793}, {"e", 2.718281828459045}}; 11 12 // swap the values 13 j1.swap(j2); 14 15 // output the values 16 std::cout << "j1 = " << j1 << '\n'; 17 std::cout << "j2 = " << j2 << '\n'; 18 } 19