Function main

src/examples/rpp/doxygen/distinct_until_changed.cpp:9–26

 **/

int main()
{
    //! [distinct_until_changed]
    rpp::source::just(1, 1, 2, 2, 3, 2, 1)
        | rpp::operators::distinct_until_changed()
        | rpp::operators::subscribe([](int val) { std::cout << val << " "; });
    // Output: 1 2 3 2 1
    //! [distinct_until_changed]

    std::cout << std::endl;
    //! [distinct_until_changed_with_comparator]
    rpp::source::just(1, 1, 2, 2, 3, 2, 1)
        | rpp::operators::distinct_until_changed([](int left, int right) { return left != right; })
        | rpp::operators::subscribe([](int val) { std::cout << val << " "; });
    // Output: 1 1 1
    //! [distinct_until_changed_with_comparator]
    return 0;
}