tion"><a href="dart-core/int-class.html">int</a></span> <span class="parameter-name">index</span>, </span> <span class="parameter" id="[]=-param-value"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">value</span></span>)
                <span class="returntype parameter">&#8594; void</span>
              </span>
                          </dt>
            <dd>
              The float at <code>address + 4 * index</code>. <a href="dart-ffi/Flo