[GHC] #13963: Runtime representation confusingly displayed
GHC
ghc-devs at haskell.org
Wed Aug 16 18:29:44 UTC 2017
#13963: Runtime representation confusingly displayed
-------------------------------------+-------------------------------------
Reporter: Iceland_jack | Owner: (none)
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.0.1
Resolution: | Keywords: TypeInType,
| LevityPolymorphism
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by goldfire):
OK. I've fixed this. Here is the new output:
{{{
Pair :: TYPE rep -> TYPE rep' -> RuntimeRep -> *
Pair Int :: * -> RuntimeRep -> *
Pair Int Float :: RuntimeRep -> *
Pair Int Float LiftedRep :: *
}}}
I'd say this is correct, because in the `Pair Int` case, we already have
to choose the representation -- and we never regeneralize over
`RuntimeRep` arguments.
Patch will land with several others, in due course.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13963#comment:4>
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