>&lt;</span> <span class="identifier">DataSet2</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">value</span><span class="special">,</span> <a class="link" href="../../../../../boost/unit_test/data/monomorphic/result_of/zip.html" title="Struct template zip">result_of::zip</a><span class="special">&lt;</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">identity</span><span class="special">&lt;</span> <span class="ide