json/docs/examples/object.cpp
Ivor Wanders e5fb288b90 Capture exceptions by const& in docs.
Performed with:
```
find ./ -type f -name *.cpp -print0 | xargs -0 sed -i -e 's|catch (json|catch (const json|g'
```
2023-08-04 11:38:56 -04:00

29 lines
707 B
C++

#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
int main()
{
// create JSON objects
json j_no_init_list = json::object();
json j_empty_init_list = json::object({});
json j_list_of_pairs = json::object({ {"one", 1}, {"two", 2} });
// serialize the JSON objects
std::cout << j_no_init_list << '\n';
std::cout << j_empty_init_list << '\n';
std::cout << j_list_of_pairs << '\n';
// example for an exception
try
{
// can only create an object from a list of pairs
json j_invalid_object = json::object({{ "one", 1, 2 }});
}
catch (const json::type_error& e)
{
std::cout << e.what() << '\n';
}
}