ect)
<b>defaults</b><span>(dest, src)</span>
      </a>
    </span>
    <span class='desc'>
      Fill in properties of an object based on another iff not already defined 
    </span>
  </li>
  <li>
    <span class='signature'>
      <a href='#spin-static'>
        .
(void)
<b>spin</b><span>(ms)</span>
      </a>
    </span>
    <span class='desc'>
      Spin Wait 
    </span>
  </li>
  <li>
    <span class='signature'>
      <a href='#isEmpty-static'>
        .
(void)
<b>isEmpty</b><span>(obj)</span>
     