Function function_length_example

examples/src/jsonpath_examples.cpp:294–330

}

void function_length_example() 
{
    std::string data = R"(
{
"books":
[
    {
        "title" : "A Wild Sheep Chase",
        "author" : "Haruki Murakami",
        "price" : 22.72
    },
    {
        "title" : "The Night Watch",
        "author" : "Sergei Lukyanenko",
        "price" : 23.58
    },
    {
        "title" : "The Comedians",
        "author" : "Graham Greene",
        "price" : 21.99
    },
    {
        "title" : "The Night Watch",
        "author" : "Phillips, David Atlee"
    }
]
}
    )";

    auto j = jsoncons::json::parse(data);

    jsoncons::json result1 = jsonpath::json_query(j, "length($.books[*])");
    std::cout << "(1) " << result1 << "\n\n";

    jsoncons::json result2 = jsonpath::json_query(j, "length($.books[*].price)");
    std::cout << "(2) "  << result2 << "\n\n";
}

void json_replace_example1()
{