span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span><span class="special">,</span><span class="keyword">class</span><span class="special">&gt;</span> <span class="keyword">class</span><span class="special">)</span>
</pre>
<p>
        Here we have no problem with counting the number of tuple tokens for the
        Boost PP array, nor do we have to specify BOOST_PP_NIL if we are using the
        <code class="computeroutput"><span class="keyword">templa