4 Nov
2008
4 Nov
'08
6:33 p.m.
On Tue, 2008-11-04 at 15:08 -0800, Daryoush Mehrtash wrote:
Are there cases (function or list) where the result of foldl (or foldr)would be different that foldl' (or foldr')?
There is no foldr'. And yes, foldl and foldl' are different functions and thus return different results on some inputs; however, you almost always want foldl' (v. foldl). See http://www.haskell.org/haskellwiki/Stack_overflow