http://d.puremagic.com/issues/show_bug.cgi?id=11084
--- Comment #2 from [email protected] 2013-09-21 06:04:43 PDT --- (In reply to comment #1) > Intermediate? Can you be more specific? What exact steps does that scan!() > call > make? The Haskell scanl is a very simple function, it acts very much like reduce, but instead of returning just the last result, it returns them all: scanl f z [x1, x2, ...] == [z, z `f` x1, (z `f` x1) `f` x2, ...] Its whole Haskell implementation in the Haskell Prelude: scanl :: (a -> b -> a) -> a -> [b] -> [a] scanl f q ls = q : (case ls of [] -> [] x:xs -> scanl f (f q x) xs) -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
