Ticket #2481 (closed bug: fixed)

Opened 5 years ago

Last modified 5 years ago

ghci: :f fmap -> can't unify

Reported by: guest Owned by:
Priority: normal Milestone: 6.10.1
Component: GHCi Version: 6.8.2
Keywords: Cc: vincent@…
Operating System: Linux Architecture: x86_64 (amd64)
Type of failure: Difficulty: Unknown
Test Case: Blocked By:
Blocking: Related Tickets:

Description

Typing ':f fmap' at the GHCi prompt gives a panic (Can't unify). See below: 

$ ghci
GHCi, version 6.8.2: http://www.haskell.org/ghc/  :? for help
Loading package base ... linking ... done.
Prelude> :f fmap
ghc-6.8.2: panic! (the 'impossible' happened)
  (GHC version 6.8.2 for x86_64-unknown-linux):
	Can't unify

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

Prelude>

This is with the ghc package distributed with Debian testing/lenny (version 6.8.2-5).

Vincent.

Change History

Changed 5 years ago by igloo

  • status changed from new to closed
  • difficulty set to Unknown
  • resolution set to fixed

Thanks for the report. Happily, this already works in the HEAD: 

Prelude> :f fmap
fmap = _

Changed 5 years ago by igloo

  • milestone set to 6.10.1
Note: See TracTickets for help on using tickets.