Re: [GHC] #14070: Allow ‘unsafe’ deriving strategy, deriving code with ‘unsafeCoerce’

GHC ghc-devs at haskell.org
Sat Feb 24 00:20:41 UTC 2018


#14070: Allow ‘unsafe’ deriving strategy, deriving code with ‘unsafeCoerce’
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  duplicate         |             Keywords:
                                     |  QuantifiedConstraints, deriving
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #2893             |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  new => closed
 * resolution:   => duplicate
 * related:   => #2893


Comment:

 We've decided not to hack an unsafe deriving strategy into GHC, and
 instead go with `QuantifiedConstraints`. Therefore, closing in favor of
 #2893.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14070#comment:21>
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