t-core/int-class.html">int</a></span> <span class="parameter-name">index</span></span>)
            <span class="returntype parameter">&#8594; <a href="dart-core/int-class.html">int</a></span>
          </span>
                  </dt>
        <dd>
          Returns the 16-bit UTF-16 code unit at the given <code>index</code>.
                  
</dd>
        <dt id="compareTo" class="callable">
          <span class="name"><a href="dart-core/String/compareTo.html">compareTo</a></span><span class="signature">