span> <span class="parameter-name">index</span></span>)
            <span class="returntype parameter">&#8594; <a href="dart-typed_data/Float32x4-class.html">Float32x4</a></span>
          </span>
                  </dt>
        <dd class="inherited">
          
                  <div class="features">inherited</div>
</dd>
        <dt id="operator []=" class="callable inherited">
          <span class="name"><a href="dart-typed_data/UnmodifiableFloat32x4ListView/operator_put.html">operator []=</a></span><sp