json/doc/examples/out_of_range.cpp
2017-08-29 23:46:26 +02:00

20 lines
403 B
C++

#include <iostream>
#include "json.hpp"
using json = nlohmann::json;
int main()
{
try
{
// calling at() for an invalid index
json j = {1, 2, 3, 4};
j.at(4) = 10;
}
catch (json::out_of_range& e)
{
// output exception information
std::cout << "message: " << e.what() << '\n'
<< "exception id: " << e.id << std::endl;
}
}