="keyword">namespace</span> <span class="identifier">unit_test</span> <span class="special">{</span>
    <span class="keyword">namespace</span> <span class="identifier">data</span> <span class="special">{</span>
      <span class="keyword">namespace</span> <span class="identifier">monomorphic</span> <span class="special">{</span>
        <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DataSet1<span class="special">,</span> <span class="keyword">typ