[GHC] #4077: Move MonadPlus instance for STM from Control.Monad.STM to GHC.Conc

[GHC]

#4077: Move MonadPlus instance for STM from Control.Monad.STM to GHC.Conc
-----------------------------+----------------------------------------------
  Reporter:  basvandijk      |          Owner:  simonmar        
      Type:  proposal        |         Status:  closed          
  Priority:  normal          |      Milestone:                  
 Component:  libraries/base  |        Version:  6.12.2          
Resolution:  fixed           |       Keywords:                  
Difficulty:                  |             Os:  Unknown/Multiple
  Testcase:                  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown    |  
-----------------------------+----------------------------------------------
Changes (by simonmar):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 Done, adding some version `#ifdef`s so as not to break the stm package for
 older GHC versions.

 base:

 {{{
 Sun May 16 09:06:51 PDT 2010  Bas van Dijk <v.dijk.bas at gmail.com>
   * Moved MonadPlus instance for STM from Control.Monad.STM to GHC.Conc to
 avoid an orphaned instance
 Tue Jun  1 07:48:31 PDT 2010  Simon Marlow <marlowsd at gmail.com>
   * bump version to 4.3.0.0, added instance MonadPlus STM
 }}}

 stm:

 {{{
 Tue Jun  1 16:13:21 BST 2010  Simon Marlow <marlowsd at gmail.com>
   * disable the MonadPlus instance for base >= 4.3.0.0 (it moved to
 GHC.Conc)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4077#comment:2>
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