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- #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';
- }
- }
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