#2962: Reduce space usage of genericLength for common Num instances
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Reporter: thorkilnaur | Owner: thorkilnaur
Type: bug | Status: new
Priority: normal | Milestone: 6.12 branch
Component: libraries/base | Version: 6.11
Severity: normal | Resolution:
Keywords: rules, specialisation | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Changes (by dons):
* keywords: => rules, specialisation
* cc: dons, dcoutts (added)
Comment:
In general we need rules for left folds on atomic types not being 'foldl'.
sum, product, length, maxium, minimum, etc.
There are open tickets relating to this already, iirc.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2962#comment:5>
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