RE: [Haskell-cafe] powerSet = filterM (const [True, False]) ... is this obfuscated haskell?

perms = sortByM (const [True,False])

This doesn't seem right, since the comparison function is inconsistent and moreover the results will depend on the sorting algorithm chosen. Ganesh =============================================================================== Please access the attached hyperlink for an important electronic communications disclaimer: http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html ===============================================================================