#4313: Proposal: Add left, right and strict folds to Data.Set, Data.IntMap and
Data.IntSet to mimic Data.Map.
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Reporter: milan | Owner:
Type: task | Status: new
Priority: normal | Component: libraries (other)
Version: 6.12.3 | Keywords: containers
Testcase: | Blockedby: 4278, 4280
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by milan):
Replying to [comment:1 tibbe]:
> I think we should have both strict left and right folds, not just strict
left folds.
I made the patch to mimic Data.Map.
But I agree, we should add right strict fold.
We could also add foldl, foldr, foldl' and foldr' to Data.Map and
Data.!IntMap (currently only the *!WithKey are present), but I do not feel
strongly either way.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4313#comment:2>
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