mirror of
https://github.com/nlohmann/json
synced 2024-11-22 12:00:05 +00:00
9aafcbe965
* Move UDLs into nlohmann::literals::json_literals namespace * Add 'using namespace' to unit tests * Add 'using namespace' to examples * Add 'using namespace' to README * Move UDL mkdocs pages out of basic_json/ * Update documentation * Update docset index * Add JSON_GlobalUDLs CMake option * Add unit test * Build examples without global UDLs * Add CI target
25 lines
727 B
C++
25 lines
727 B
C++
#include <iostream>
|
|
#include <iomanip>
|
|
#include <nlohmann/json.hpp>
|
|
|
|
using json = nlohmann::json;
|
|
using namespace nlohmann::literals;
|
|
|
|
int main()
|
|
{
|
|
// create two JSON objects
|
|
json o1 = R"( {"color": "red", "price": 17.99, "names": {"de": "Flugzeug"}} )"_json;
|
|
json o2 = R"( {"color": "blue", "speed": 100, "names": {"en": "plane"}} )"_json;
|
|
json o3 = o1;
|
|
|
|
// add all keys from o2 to o1 (updating "color", replacing "names")
|
|
o1.update(o2.begin(), o2.end());
|
|
|
|
// add all keys from o2 to o1 (updating "color", merging "names")
|
|
o3.update(o2.begin(), o2.end(), true);
|
|
|
|
// output updated object o1 and o3
|
|
std::cout << std::setw(2) << o1 << '\n';
|
|
std::cout << std::setw(2) << o3 << '\n';
|
|
}
|