Re: [GHC] #10216: Allow arr ∧ (first ∨ (***)) as minimal definition of Arrow instance

GHC ghc-devs at haskell.org
Mon Apr 6 08:02:20 UTC 2015


#10216: Allow arr ∧ (first ∨ (***)) as minimal definition of Arrow instance
-------------------------------------+-------------------------------------
        Reporter:  strake888         |                   Owner:  ekmett
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Core Libraries    |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by simonpj):

 I suggest that
  * You add a description to the ticket that explains what you are doing,
 and why it is a good thing.  Perhaps add comments in the code to explain
 subtleties?
  * Pursue it through the core libraries committee (Edward clearly has it
 on his radar, which is good).

 Simon

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10216#comment:3>
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