#4807: Data instance for Data.Map is incomplete
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Reporter: sclv | Owner:
Type: bug | Status: new
Priority: normal | Component: libraries/base
Version: 7.0.1 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Incorrect result at runtime
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Changes (by dreixel):
* cc: j...@… (added)
Comment:
But Map is a kind * -> * -> * datatype, so it has a dataCast2 definition
instead. Won't it work properly with the (new) ext2 family of functions?
See http://hackage.haskell.org/packages/archive/syb/0.3/doc/html/Data-
Generics-Aliases.html#g:6
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4807#comment:1>
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