#1894: Add a total order on type constructors
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Reporter: guest | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 6.8.1
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Multiple
Os: Multiple |
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Comment (by sorear):
Replying to [comment:4 guest]:
> The suggestion to restrict this to a special type-class is a good one.
Maybe this should be done as a special kind of `deriving`. I would prefer
a new class to an extension of an existing one.
There is always Oleg's TTypeable (which Data.Derive can handle); otoh, it
uses fundeps.
Chakravarty: Is it feasable to make fundeps and type families 'compatible'
in the sense that either can depend on the other?
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1894#comment:5>
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