Method on_completed

src/rpp/rpp/observers/observer.hpp:135–144

* @brief Observable calls this method to notify observer about completion of emissions. * @invariant Obtaining of this call means no any further on_next/on_error or on_completed calls from this Observable */

         * @invariant Obtaining of this call means no any further on_next/on_error or on_completed calls from this Observable
         */
        void on_completed() const noexcept
        {
            if (!is_disposed())
            {
                rpp::utils::finally_action finally{[&] {
                    m_disposable.dispose();
                }};
                m_strategy.on_completed();
            }
        }

    private:
        RPP_NO_UNIQUE_ADDRESS Strategy                    m_strategy;