ect</a></span> <span class="parameter-name">b</span>, </span> <span class="parameter" id="lerp-param-t"><span class="type-annotation"><a href="dart-core/double-class.html">double</a></span> <span class="parameter-name">t</span></span>)
      
    </section>
    <section class="desc markdown">
      <p>Linearly interpolate between two rectangles.</p>
<p>If either rect is null, <a href="dart-ui/Rect/zero-constant.html">Rect.zero</a> is used as a substitute.</p>
<p>The <code>t</code> argument represents positi