int main() {
    using namespace crequests;
    service_t service;
    auto response = Get(service, "http://yandex.ru");
    std::cout << reponse->content() << std::endl;
    
    return 0;
}

using namespace crequests;
service_t service;
auto response = Get(service, "http://yandex.ru");
if (response.error()) {
    if (response.error().code() == error_code_t::TIMEOUT) {
        // handle timeout
    }
    else {
        // handle other error
    }
}

using namespace crequests;
service_t service;
auto session = service.new_sesion("http://yandex.ru", timeout_t{10});
{
    auto response = session->Get();
    std::cout << response->content() << std::endl;
}
{
    // send new request with saved cookies and settings.
    set_option(session, timeout_t{2}); // you can change parameters arbitrarily.
    auto response = session->Get();
    std::cout << response->content() << std::endl;
}

using namespace crequests;
static const std::vector urls = {
    "http://google.ru",
    "http://httpbin.org",
    "https://www.google.ru",
    "http://youtube.com",
    "http://yandex.ru",
    "http://ya.ru",
    "http://boost.org",
    "http://www.vk.com"
};

std::vector< future_t< response_ptr_t> > futures;
service_t service;

for (auto&& url : urls)
    futures.push_back(AsyncGet(service, url));

for (auto&& future : futures)
    print(future.get()->error());

using namespace crequests;
service_t service{dispose_timeout_t{10}};
auto callback = [](const response_t& response) {
    // do the work
};
AsyncGet(service, "http://boost.org", final_callback_t{callback});
service.run(); // if this is end of program, otherwise it will work in separate thread infinitely.