#include #include // for std::setw using json = nlohmann::json; int main() { // create JSON values json j_object = {{"one", 1}, {"two", 2}}; json j_array = {1, 2, 4, 8, 16}; // serialize without indentation std::cout << j_object << "\n\n"; std::cout << j_array << "\n\n"; // serialize with indentation std::cout << std::setw(4) << j_object << "\n\n"; std::cout << std::setw(2) << j_array << "\n\n"; }