hes</span><span class="special">,</span>
                        <span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
   <span class="keyword">template</span> <span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">N</span><span class="special">&gt;</span>
   <a class