#6018: Injective type families
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Reporter: lunaris | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.4.1
Keywords: TypeFamilies, Injective | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: None/Unknown
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by lunaris):
Indeed; I'd not considered that case. I'm not aware of a well-defined
semantics for injective type functions in the context of constraint
solving so I've no idea how to proceed. There are of course syntactic
complications also.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6018#comment:3>
GHC <http://www.haskell.org/ghc/>
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