"keyword">typename</span> <span class="identifier">Box</span><span class="special">&gt;</span>
<span class="identifier">calculation_type</span><span class="special">&lt;</span> <span class="identifier">Point</span><span class="special">,</span> <span class="identifier">Box</span> <span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">apply</span><span class="special">(</span><span class="identifier">Point</span> <span class="keyword">const</span> <span class="specia