#5787: Add instances to ZipList
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Reporter: pumpkin | Owner:
Type: feature request | Status: new
Priority: normal | Component: libraries/base
Version: 7.2.2 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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There was a reasonably uncontroversial vote on the libraries list to add
common derived instances (Eq, Ord, Show, Read) to ZipList, which currently
only has Functor and Applicative.
I have made the change on my local ghc build and it seems to build, but I
can't get validate to pass. I'm not sure if it's my own fault, but
considering I only made a one-line change, it seems odd. I'll attach a
patch once I make sure it wasn't my fault.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5787>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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