</span></span>), {</span> <span class="parameter" id="singleWhere-param-orElse"><span class="type-annotation"><a href="dart-typed_data/Int32x4-class.html">Int32x4</a></span> <span class="parameter-name">orElse</span>()</span> })
            <span class="returntype parameter">&#8594; <a href="dart-typed_data/Int32x4-class.html">Int32x4</a></span>
          </span>
        </dt>
        <dd class="inherited">
          Returns the single element that satisfies <code>test</code>. <a href="dart-core/Iterable/si