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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
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  • #9754
Closed
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Issue created Nov 02, 2014 by David Feuer@treeowlReporter

Fix Applicative instances in the wake of AMP

I haven't tracked down all the problems yet, but several experiments leading to validation failures strongly suggest that some Applicative instances in the GHC tree fail to interact properly with their associated Monad instances. That is, ap ≠ (<*>) and/or (>>) ≠ (*>). We should be able to fix these up by fleshing out the appropriate instance declarations.

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Version 7.8.3
Type Task
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Core Libraries
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CC core-libraries-committee@haskell.org
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