>let</span> <span class="nv">dateBefore</span> <span class="o">=</span> <span class="kt">Date</span><span class="p">()</span>

        <span class="n">afterReducer</span> <span class="o">=</span> <span class="o">.</span><span class="k">do</span> <span class="p">{</span>
            <span class="k">let</span> <span class="nv">stateAfter</span> <span class="o">=</span> <span class="k">self</span><span class="o">.</span><span class="nf">getState</span><span class="p">()</span>
            <span class="k">let</