[GHC] #15861: Cannot import (*) type operator

GHC ghc-devs at haskell.org
Mon Nov 5 10:52:39 UTC 2018


#15861: Cannot import (*) type operator
-------------------------------------+-------------------------------------
           Reporter:  pgujjula       |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.6.1
           Keywords:                 |  Operating System:  Linux
       Architecture:                 |   Type of failure:  GHC rejects
  Unknown/Multiple                   |  valid program
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 The (*) type operator cannot be imported from GHC.TypeLits. The following
 code compiles in GHC 8.4.4 but fails in GHC 8.6.1 with "error: parse error
 on input ‘*’"

 {{{#!hs
 {-# LANGUAGE TypeOperators #-}
 import GHC.TypeLits (type (*))
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15861>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list