[GHC] #8769: Minor refactoring of Maybe.lhs

[GHC]

#8769: Minor refactoring of Maybe.lhs
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        Reporter:  Iceland_jack       |            Owner:  nomeata
            Type:  bug                |           Status:  patch
        Priority:  lowest             |        Milestone:
       Component:  libraries (other)  |          Version:  7.7
      Resolution:                     |         Keywords:
Operating System:  Unknown/Multiple   |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown       |       Difficulty:  Unknown
       Test Case:                     |       Blocked By:
        Blocking:                     |  Related Tickets:
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Changes (by nomeata):

 * owner:   => nomeata


Comment:

 I don’t think we should be moving stuff to `Data.Maybe` just yet. Also,
 the non-monadic versions are easier to read, just as you say.

 I think the patch is good to go. I’ll validate and push.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8769#comment:7>
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