FUNC_DECL part_type <span class="keyword">const</span>&amp; operator[](length_type i) <span class="keyword">const</span>;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="comment">// -- Implicit basic constructors --</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">