class="identifier">S</span><span class="special">&gt;(</span><span class="identifier">n</span><span class="special">)</span></code> (<code class="computeroutput"><span class="identifier">S</span></code> denotes the Source type).
      </p>
      <p>
        <code class="computeroutput"><span class="identifier">NONE</span></code> indicates that for this
        case there is no range checking.
      </p>
<pre class="programlisting"><code class="literal">
int_to_int    |--&gt; sig_to_sig     |--&gt; subranged