Matthews-MacBook-Pro:malarson matthewlarson$ ghci BinaryTree.hs
GHCi, version 8.6.5: http://www.haskell.org/ghc/  :? for help
[1 of 1] Compiling Main             ( BinaryTree.hs, interpreted )
Ok, one module loaded.
*Main> toList (reverseTree tree) == reverse (toList tree)
True