/span> <span class="identifier">the</span> <span class="identifier">enclosing</span> <span class="identifier">type</span> <span class="identifier">BOOST_TTI_TP_T</span><span class="special">;</span> <span class="identifier">otherwise</span> <span class="char">'value'</span> <span class="identifier">is</span> <span class="keyword">false</span><span class="special">.</span>
            
            <span class="identifier">If</span> <span class="identifier">BOOST_TTI_TP_U</span> <span class="identifier">is</s