pe"><span class="identifier">type</span></a><span class="special">;</span>
  <span class="special">}</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="str.html#id-1_3_47_5_3_2_1_2_15_4-bb">public member functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Sub<span class="special">&gt;</span> <span class="identifier">Sub</span><span class="special">::</span><span class="identifier">string_type</