Re: [GHC] #14438: Using a (meaningless) generic currency sign (¤) instead of $ causes panicing

GHC ghc-devs at haskell.org
Tue Nov 7 21:06:24 UTC 2017


#14438: Using a (meaningless) generic currency sign (¤) instead of $ causes
panicing
---------------------------------+--------------------------------------
        Reporter:  Izmaki        |                Owner:  (none)
            Type:  bug           |               Status:  closed
        Priority:  low           |            Milestone:
       Component:  GHCi          |              Version:  8.0.2
      Resolution:  duplicate     |             Keywords:  ¤
Operating System:  Linux         |         Architecture:  x86_64 (amd64)
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:  #13106        |  Differential Rev(s):
       Wiki Page:                |
---------------------------------+--------------------------------------
Changes (by RyanGlScott):

 * status:  new => closed
 * resolution:   => duplicate
 * related:   => #13106


Comment:

 Thanks for the bug report. This is a duplicate of #13106, and has been
 fixed in GHC 8.2:

 {{{
 GHCi, version 8.2.1: http://www.haskell.org/ghc/  :? for help
 Loaded GHCi configuration from /home/rgscott/.ghci
 λ> let ones x = snd $ divMod x 10
 λ> ones ¤ (5 :: Integral)

 <interactive>:2:6: error:
     Variable not in scope: (¤) :: (b0 -> b0) -> t0 -> t1

 <interactive>:2:14: error:
     • Expecting one more argument to ‘Integral’
       Expected a type, but ‘Integral’ has kind ‘* -> Constraint’
     • In an expression type signature: Integral
       In the second argument of ‘(¤)’, namely ‘(5 :: Integral)’
       In the expression: (¤) ones (5 :: Integral)
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14438#comment:1>
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