1c5f01b2fSopenharmony_ci#include <iostream> 2c5f01b2fSopenharmony_ci#include <iomanip> 3c5f01b2fSopenharmony_ci#include <nlohmann/json.hpp> 4c5f01b2fSopenharmony_ci 5c5f01b2fSopenharmony_ciusing json = nlohmann::json; 6c5f01b2fSopenharmony_ci 7c5f01b2fSopenharmony_ciint main() 8c5f01b2fSopenharmony_ci{ 9c5f01b2fSopenharmony_ci // create JSON value 10c5f01b2fSopenharmony_ci json j = 11c5f01b2fSopenharmony_ci { 12c5f01b2fSopenharmony_ci {"pi", 3.141}, 13c5f01b2fSopenharmony_ci {"happy", true}, 14c5f01b2fSopenharmony_ci {"name", "Niels"}, 15c5f01b2fSopenharmony_ci {"nothing", nullptr}, 16c5f01b2fSopenharmony_ci { 17c5f01b2fSopenharmony_ci "answer", { 18c5f01b2fSopenharmony_ci {"everything", 42} 19c5f01b2fSopenharmony_ci } 20c5f01b2fSopenharmony_ci }, 21c5f01b2fSopenharmony_ci {"list", {1, 0, 2}}, 22c5f01b2fSopenharmony_ci { 23c5f01b2fSopenharmony_ci "object", { 24c5f01b2fSopenharmony_ci {"currency", "USD"}, 25c5f01b2fSopenharmony_ci {"value", 42.99} 26c5f01b2fSopenharmony_ci } 27c5f01b2fSopenharmony_ci } 28c5f01b2fSopenharmony_ci }; 29c5f01b2fSopenharmony_ci 30c5f01b2fSopenharmony_ci // call flatten() 31c5f01b2fSopenharmony_ci std::cout << std::setw(4) << j.flatten() << '\n'; 32c5f01b2fSopenharmony_ci} 33