ion of the
right-hand-side operand, and a <a href="dart-ui/Size/height.html">height</a> consisting of the <a href="dart-ui/Size/height.html">height</a> of the
left-hand-side operand minus the <a href="dart-ui/Offset/dy.html">Offset.dy</a> dimension of the
right-hand-side operand.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">OffsetBase operator -(OffsetBase other) {
  if (o