t.result_This(Pa_idp89315456.type"><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="first.html#idp89317648-bb">public member functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Pair<span class="special">&gt;</span> <span class="keyword">typename</span> <span class="identifier">Pair</span><span cla