><a href="dart-ui/FontWeight-class.html">FontWeight</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 interpolates between two font weights.</p>
<p>Rather than using fractional weights, the interpolation rounds to the
nearest weight.</p>
<p>If both <code