s="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    MUDA_GENERIC <span class="keyword">const</span> T&amp; flatten(<span class="keywordtype">int</span> i)<span class="keyword"> const</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>        <span class="keywordflow">return</span> remove_const(*this).flatten(i);<