here-param-orElse"><span class="type-annotation"><a href="dart-typed_data/Float64x2-class.html">Float64x2</a></span> <span class="parameter-name">orElse</span>()</span> })
            <span class="returntype parameter">&#8594; <a href="dart-typed_data/Float64x2-class.html">Float64x2</a></span>
          </span>
                  </dt>
        <dd class="inherited">
          Returns the first element that satisfies the given predicate <code>test</code>. <a href="dart-core/Iterable/firstWhere.html">[...]</a>