#5499: Tagging constructors with record/product phantom type
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Reporter: basvandijk | Owner:
Type: feature request | Status: new
Priority: normal | Milestone:
Component: libraries (other) | Version: 7.2.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by dreixel):
Replying to [comment:5 basvandijk]:
> So somehow the information, whether a constructor is a record or not,
has to move to the right of the `=>`.
Right. I believe your `GToJSON` will also need the type-level boolean as a
class argument.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5499#comment:6>
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