n class='decorator'>Element</span><span class='decorator'>, </span><span class='decorator'>ErrorType</span><span class='decorator'>&gt;, </span><span class='decorator'>value</span><span class='decorator'>: () -&gt; </span><span class='decorator'>Element</span><span class='decorator'>)</span></code>
                </a>
              
              
              <div class="abstract">
                <div class="content">Creates an abstraction over subject types able to keep the last object (<code>CurrentVa