Thu Dec 4 06:42:38 PST 2008 Duncan Coutts <duncan at haskell.org> * Add Test.Laws module for checking class laws For Functor, Monoid and Traversable. A ./tests/Test/Laws.hs View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081204144238-adfee-6af6752dc9e757e288fa8bb3a4f87a99c4b10f34.gz