an class="special">&lt;</span><span class="identifier">DataSet</span> <span class="keyword">const</span><span class="special">&gt;</span> <span class="special">:</span>
  <span class="keyword">public</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">unit_test</span><span class="special">::</span><span class="identifier">data</span><span class="special">::</span><span class="identifier">monomorphic</span><span class="special">::</span><span class="identifier"