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Add -fshow-runtime-rep
As discussed in several interwoven threads (original, café), it has been suggested to add a flag -fshow-runtime-rep. Without this flag enabled, the pretty printer will instantiate any RuntimeRep type parameters to PtrRep Lifted. This has the effect of changing
($) :: forall (r :: RuntimeRep) (a :: *) (b :: TYPE r). (a -> b) -> a -> bto
($) :: (a -> b) -> a -> bunder the default GHCi settings.
Note that Levity becomes RuntimeRep after #11471 (closed) is complete.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | highest |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |