#2467: orphan instance warnings are badly behaved
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Reporter: duncan | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.14.1
Component: Compiler | Version: 6.8.2
Resolution: | Keywords:
Difficulty: Unknown | Os: Unknown/Multiple
Testcase: | Architecture: Unknown/Multiple
Failure: None/Unknown |
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Comment (by simonpj):
There seem to be two things going on in this ticket.
1. Do the instances in `mtl` and `array` have to include orphan
instances? We should investigate and fix or punt.
2. Some reflections on orphan instances in general. Here the discussion
is inconclusive, so we should probably milestone as _|_, leaving the
ticket open so that we don't lose the thoughts.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2467#comment:14>
GHC <http://www.haskell.org/ghc/>
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