al">&lt;</span><span class="keyword">class</span> <span class="identifier">DT</span><span class="special">&gt;</span> <span class="keyword">struct</span> <span class="identifier">fundamental_dimension</span><span class="special">&lt;</span><span class="identifier">DT</span><span class="special">&gt;;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">DT1</span><span class="special">,</span><span class="keyword">int</span> 