#3999: Improved folds for Data.Map and Data.IntMap
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Reporter: LouisWasserman | Owner:
Type: proposal | Status: new
Priority: normal | Component: libraries (other)
Version: 6.12.1 | Keywords:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: None/Unknown
Patch: 1 |
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Comment(by LouisWasserman):
Uses rewrite rules to make fold/building happen within the existing
framework in Data.Map, Data.IntMap, Data.Set, Data.IntSet. Succeeds on
making fold/building actually fire, as opposed to just implementing
toAscList with build, which appears not to work reliably.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3999#comment:3>
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