386/usr/share/doc/ghc/html/libraries/base-4.5.0.0/Data-Word.html#t:Word64">Word64</a></dt><dd class="doc empty">&nbsp;</dd></dl><div class="clear"></div></div></td></tr></table></div><div class="subs instances"><p id="control.i:Model" class="caption collapser" onclick="toggleSection('i:Model')">Instances</p><div id="section.i:Model" class="show"><table><tr><td class="src"><a href="/Library/Frameworks/GHC.framework/Versions/7.4.1-i386/usr/share/doc/ghc/html/libraries/base-4.5.0.0/Data-Eq.html#t:Eq">Eq</a> <a