entifier">MyMeta</span><span class="special">,</span><span class="identifier">MyTemplate</span><span class="special">)</span>

   <span class="identifier">or</span>

   <span class="identifier">BOOST_TTI_TRAIT_HAS_TEMPLATE</span><span class="special">(</span><span class="identifier">MyMeta</span><span class="special">,</span><span class="identifier">MyTemplate</span><span class="special">,</span><span class="identifier">BOOST_PP_NIL</span><span class="special">)</span> <span class="comment">// Non-variadic 