><span class="special">&gt;</span>
<span class="keyword">void</span> <span class="identifier">multiply_value</span><span class="special">(</span><span class="identifier">Point</span> <span class="special">&amp;</span> <span class="identifier">p</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">detail</span><span class="special">::</span><span class="identifier">param</span><span class="special">&lt;</span> <span class="identifier">Point</span> <span class="s