21 lines
438 B
C++
21 lines
438 B
C++
|
#include <iostream>
|
||
|
|
#include <nlohmann/json.hpp>
|
||
|
|
|
||
|
|
using json = nlohmann::json;
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
// calling at() for a non-existing key
|
||
|
|
json j = {{"foo", "bar"}};
|
||
|
|
json k = j.at("non-existing");
|
||
|
|
}
|
||
|
|
catch (const json::exception& e)
|
||
|
|
{
|
||
|
|
// output exception information
|
||
|
|
std::cout << "message: " << e.what() << '\n'
|
||
|
|
<< "exception id: " << e.id << std::endl;
|
||
|
|
}
|
||
|
|
}
|