[GHC] #9818: Add `Natural` number type to `base`

[GHC]

#9818: Add `Natural` number type to `base`
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              Reporter:  hvr         |            Owner:  hvr
                  Type:  feature     |           Status:  closed
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:
             Component:  Core        |         Keywords:  base natural
  Libraries                          |     Architecture:  Unknown/Multiple
            Resolution:  fixed       |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:  #3650 #9281
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D473   |
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Comment (by Herbert Valerio Riedel <hvr@…>):

 In [changeset:"6b063ef2a1f68290b51778a38e9b89b6fec5e170/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="6b063ef2a1f68290b51778a38e9b89b6fec5e170"
 Make Natural's (.|.) really an OR operation (#9818)

 Currently it's an AND when at least one of the operands is big.

 Reviewed By: hvr

 Differential Revision: https://phabricator.haskell.org/D549
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9818#comment:12>
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