Files
json/docs/mkdocs/docs/examples/parse_error.cpp
T
Niels Lohmann d8dfc0d0f9 Fix unused-result warnings in the contains and parse_error examples (#5788)
contains(json_pointer) is marked JSON_HEDLEY_WARN_UNUSED_RESULT since #5477,
and parse() has been for longer. The contains example ignored the result in
two try blocks waiting for a parse_error that contains() never throws, so
they printed nothing; print the result for those pointers instead.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-10-08 16:21:59 +02:00

21 lines
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C++

#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
int main()
{
try
{
// parsing input with a syntax error
json j = json::parse("[1,2,3,]");
}
catch (const json::parse_error& e)
{
// output exception information
std::cout << "message: " << e.what() << '\n'
<< "exception id: " << e.id << '\n'
<< "byte position of error: " << e.byte << std::endl;
}
}