Files
json/examples/basic_json_document__is_discarded.cpp
2026-10-21 10:31:00 +00:00

20 lines
641 B
C++

#include <iostream>
#include <nlohmann/json_view.hpp>
using json_document = 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';
}