">&lt;</span><span class="k">class</span> <span class="nc">MetafunctionClass</span><span class="o">&gt;</span>
<span class="k">constexpr</span> <span class="k">auto</span> <span class="n">construct_meta</span><span class="p">();</span>

<span class="k">template</span><span class="o">&lt;</span><span class="k">template</span><span class="o">&lt;</span><span class="n">class</span><span class="p">...</span><span class="o">&gt;</span> <span class="k">class</span> <span class="nc">MetafunctionTemplate</span><spa