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- #include <iostream>
- #include <nlohmann/json.hpp>
- using json = nlohmann::json;
- int main()
- {
- // an invalid JSON text
- std::string text = R"(
- {
- "key": "value without closing quotes
- }
- )";
- // parse with exceptions
- try
- {
- json j = json::parse(text);
- }
- catch (json::parse_error& e)
- {
- std::cout << e.what() << std::endl;
- }
- // parse without exceptions
- json j = json::parse(text, nullptr, false);
- if (j.is_discarded())
- {
- std::cout << "the input is invalid JSON" << std::endl;
- }
- else
- {
- std::cout << "the input is valid JSON: " << j << std::endl;
- }
- }
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