On Feb 5, 2008, at 8:31 , Henning Thielemann wrote:

How do you convince the compiler that
  'join (fmap return x) == x' ?

How do you convince it that the current formulation of Monad obeys the monad laws? (rhetorical)

--
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] [EMAIL PROTECTED]
system administrator [openafs,heimdal,too many hats] [EMAIL PROTECTED]
electrical and computer engineering, carnegie mellon university    KF8NH


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