lass="identifier">std</span><span class="special">::</span><span class="identifier">enable_if</span><span class="special">&lt;</span> <a class="link" href="../../../../boost/unit_test/data/monomorphic/is_dataset.html" title="Struct template is_dataset">monomorphic::is_dataset</a><span class="special">&lt;</span> <span class="identifier">DataSet</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <span class="keyword">void