/span><span class="identifier">From</span><span class="special">,</span> <span class="identifier">To</span><span class="special">&gt;::</span><span class="identifier">value</span></code> is <code class="computeroutput"><span class="keyword">true</span></code>.
        Otherwise <code class="computeroutput"><span class="keyword">false</span></code>.
      </p>
<p>
        Note that while this trait is the ultimate arbiter of which constructors
        are marked as <code class="computeroutput"><span class="k