Method cancel

source/timers/timer.cpp:69–84

}

void timer::cancel() {
    if (!static_cast<bool>(m_state)) {
        return;
    }

    auto state = std::move(m_state);
    state->cancel();

    auto timer_queue = state->get_timer_queue().lock();

    if (!static_cast<bool>(timer_queue)) {
        return;
    }

    timer_queue->remove_internal_timer(std::move(state));
}

void timer::set_frequency(std::chrono::milliseconds new_frequency) {
    throw_if_empty(details::consts::k_timer_empty_set_frequency_err_msg);