       <span class="keyword">using</span> uchar = CharType;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        std::codecvt_base::result do_unshift(std::mbstate_t&amp; s, <span class="keywordtype">char</span>* from, <span class="keywordtype">char</span>* <span class="comment">/*to*/</span>, <span class="keywordtype">char</span>*&amp; next)<span class="keyword"> const override</span></d