Function using_polymorphic_allocator

examples/src/json_parse_examples.cpp:118–145

// since 0.171.0
void using_polymorphic_allocator()
{
    using pmr_json = pmr::json;

    char buffer[1024] = {}; // a small buffer on the stack
    std::pmr::monotonic_buffer_resource pool{std::data(buffer), std::size(buffer)};
    std::pmr::polymorphic_allocator<char> alloc(&pool);

    std::string json_text = R"(
    {
        "street_number" : "100",
        "street_name" : "Queen St W",
        "city" : "Toronto",
        "country" : "Canada"
    }
    )";


    try
    {
        auto doc = pmr_json::parse(make_alloc_set(alloc), json_text, json_options{});
        std::cout << pretty_print(doc) << "\n\n";
    }
    catch (const std::exception& ex)
    {
        std::cerr << ex.what() << '\n';
    }
}

#endif