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json/examples/basic_json_document__is_discarded.cpp
T
2026-10-26 21:24:35 +00:00

20 lines
625 B
C++

#include <iostream>
#include <nlohmann/json_view.hpp>
using nlohmann::json_document;
int main()
{
std::cout << std::boolalpha;
// with allow_exceptions == false, a parse error produces a discarded
// document instead of throwing -- exactly like basic_json::parse()
json_document doc = json_document::parse(R"({"a": )", /* allow_exceptions */ false);
std::cout << doc.is_discarded() << '\n';
std::cout << doc.root().is_discarded() << '\n';
// a successful parse is never discarded
json_document ok = json_document::parse(R"({"a": 1})", false);
std::cout << ok.is_discarded() << '\n';
}