14 Apr
2011
14 Apr
'11
5:47 a.m.
On 13 April 2011 21:26, Tim Chevalier
IO doesn't obey the monad laws, due to the presence of seq in Haskell. Sad but true...
See also a previous discussion about IO and the Monad laws: http://www.haskell.org/pipermail/haskell-cafe/2010-March/074001.html