From: Alexander Kogan [mailto:alexander@kogan.nnov.ru]

But I wonder why the very useful function foldl' as I define it is not included into Prelude? I think, many people work with large lists or streams...

It's in Data.List: <http://www.haskell.org/ghc/docs/latest/html/libraries/base/Data.List.html#v %3Afoldl'> ----------------------------------------- ***************************************************************** Confidentiality Note: The information contained in this message, and any attachments, may contain confidential and/or privileged material. It is intended solely for the person(s) or entity to which it is addressed. Any review, retransmission, dissemination, or taking of any action in reliance upon this information by persons or entities other than the intended recipient(s) is prohibited. If you received this in error, please contact the sender and delete the material from any computer. *****************************************************************