Function json_replace_example3

examples/src/jsonpath_examples.cpp:372–385

}

void json_replace_example3()
{
    std::ifstream is("./input/books.json");
    auto data =jsoncons::json::parse(is);

    auto f = [](const std::string& /*location*/, jsoncons::json& price) 
    {
        price = std::round(price.as<double>() - 1.0);
    };

    // make a discount on all books
    jsonpath::json_replace(data, "$.books[*].price", f);
    std::cout << pretty_print(data) << "\n\n";
}

void json_replace_example4()
{