[GHC] #13962: GHCi allows unsaturated type family

GHC ghc-devs at haskell.org
Wed Jul 12 15:24:00 UTC 2017


#13962: GHCi allows unsaturated type family
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12089            |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * cc: RyanGlScott, goldfire (added)
 * keywords:   => TypeFamilies
 * related:   => #12089


Comment:

 Wow, that's astounding that it actually gives you the right answer...

 Richard, do you know how this is even working? Because I have to admit,
 this is shaking my faith in the belief that we need defunctionalization to
 partially apply type families ;)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13962#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list