#include #include using json = nlohmann::json; int main() { // create JSON values json j_null; json j_boolean = true; json j_number_integer = 17; json j_number_float = 23.42; json j_object = {{"one", 1}, {"two", 2}}; json j_array = {1, 2, 4, 8, 16}; json j_string = "Hello, world"; // call max_size() std::cout << j_null.max_size() << '\n'; std::cout << j_boolean.max_size() << '\n'; std::cout << j_number_integer.max_size() << '\n'; std::cout << j_number_float.max_size() << '\n'; std::cout << j_object.max_size() << '\n'; std::cout << j_array.max_size() << '\n'; std::cout << j_string.max_size() << '\n'; }