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