;<br />&#x00A0;&#x00A0;&#x00A0;&#x00A0;import&#x00A0;qualified&#x00A0;Data.Maybe&#x00A0;as&#x00A0;Mb
</div>
         <p class="noindent"></div>
     <p class="noindent"> Data constructors cannot be named in export lists except as subordinate names, because they cannot otherwise
     be distinguished from type constructors.
     </li>
     <li 
  class="enumerate" id="x11-100010x3">A type synonym <span 
class="cmmi-10">T</span> declared by a <span 
class="pcrr7t-">type</span> declaration may be named by the 