[Haskell-cafe] Decision procedure for foldr/foldl/foldl'?

David Fox ddssff at gmail.com
Sun Nov 20 17:28:43 CET 2011

Does anyone have a quick way to decide which of the fold functions to
use in a given situation?  There are times when I would like to find
out which to use in the quickest way possible, rather than reading a
long explanation of why each one behaves the way it does.

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