mirror of
https://github.com/nlohmann/json.git
synced 2024-09-06 12:08:25 +02:00
31 lines
605 B
C++
31 lines
605 B
C++
#include <json.hpp>
|
|
|
|
using namespace nlohmann;
|
|
|
|
int main()
|
|
{
|
|
// create a JSON object
|
|
json object =
|
|
{
|
|
{"one", 1}, {"two", 2}, {"three", 2.9}
|
|
};
|
|
|
|
// output element with key "two"
|
|
std::cout << object["two"] << "\n\n";
|
|
|
|
// change element with key "three"
|
|
object["three"] = 3;
|
|
|
|
// output changed array
|
|
std::cout << std::setw(4) << object << "\n\n";
|
|
|
|
// mention nonexisting key
|
|
object["four"];
|
|
|
|
// write to nonexisting key
|
|
object["five"]["really"]["nested"] = true;
|
|
|
|
// output changed object
|
|
std::cout << std::setw(4) << object << '\n';
|
|
}
|