#include <iostream> | |
#include <nlohmann/json.hpp> | |
using json = nlohmann::json; | |
int main() | |
{ | |
// create a JSON number | |
json value = 17; | |
// explicitly getting references | |
auto r1 = value.get_ref<const json::number_integer_t&>(); | |
auto r2 = value.get_ref<json::number_integer_t&>(); | |
// print the values | |
std::cout << r1 << ' ' << r2 << '\n'; | |
// incompatible type throws exception | |
try | |
{ | |
auto r3 = value.get_ref<json::number_float_t&>(); | |
} | |
catch (json::type_error& ex) | |
{ | |
std::cout << ex.what() << '\n'; | |
} | |
} |