ref="dart-core/bool-class.html">bool</a></span> <span class="parameter-name">test</span>(<span class="parameter" id="test-param-element"><span class="type-annotation">E</span> <span class="parameter-name">element</span></span>), {</span> <span class="parameter" id="lastWhere-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-