| #include <iostream> | |
| #include <nlohmann/json.hpp> | |
| using json = nlohmann::json; | |
| int main() | |
| { | |
| // create two JSON objects | |
| json o1 = R"( {"color": "red", "price": 17.99} )"_json; | |
| json o2 = R"( {"color": "blue", "speed": 100} )"_json; | |
| // add all keys from o2 to o1 (updating "color") | |
| o1.update(o2); | |
| // output updated object o1 | |
| std::cout << std::setw(2) << o1 << '\n'; | |
| } |