lt;This(Expr)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Expr</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="iden