ter-name">action</span>(<span class="parameter" id="param-element"><span class="type-annotation"><a href="../dart-typed_data/Uint8List-class.html">Uint8List</a></span> <span class="parameter-name">element</span></span><wbr>)</span><wbr>)
            <span class="returntype parameter">&#8594; <a href="../dart-async/Future-class.html">Future</a></span>
          </span>
                  </dt>
        <dd class="inherited">
          Executes <code>action</code> on each element of this stream. <a href="../dar