al">(</span><span class="identifier">s</span><span class="special">)</span> <span class="special">)</span> <span class="special">;</span>
    <span class="special">}</span>
<span class="special">}</span> <span class="special">;</span>
</pre>
      <p>
        This policy is <span class="bold"><strong>only</strong></span> provided as a hook for
        user defined types which require range checking (which is disabled by default
        when a UDT is involved). The library provides a class: <code class="comp