json/doc/examples/push_back__initializer_list.cpp
Niels Lohmann 504012a3db
📝 cleanup after #650
As <iostream> is not included in json.hpp any more, all code examples need to include <iostream> now.
2017-07-09 11:51:38 +02:00

27 lines
602 B
C++

#include <iostream>
#include "json.hpp"
using json = nlohmann::json;
int main()
{
// create JSON values
json object = {{"one", 1}, {"two", 2}};
json null;
// print values
std::cout << object << '\n';
std::cout << null << '\n';
// add values:
object.push_back({"three", 3}); // object is extended
object += {"four", 4}; // object is extended
null.push_back({"five", 5}); // null is converted to array
// print values
std::cout << object << '\n';
std::cout << null << '\n';
// would throw:
//object.push_back({1, 2, 3});
}