ial">&lt;</span><span class="keyword">typename</span> This<span class="special">,</span> <span class="keyword">typename</span> Pair<span class="special">&gt;</span> 
  <span class="keyword">struct</span> <a class="link" href="first/result_This_Pa_idp89315456.html" title="Struct template result&lt;This(Pair const &amp;)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Pair</span> <span class="keyword">const</span> <span