[GHC] #15930: Add @since-annotations to the Foldable methods

[GHC]

#15930: Add @since-annotations to the Foldable methods
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        Reporter:  sjakobi           |                Owner:  (none)
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:  8.6.3
       Component:  Core Libraries    |              Version:  8.6.2
      Resolution:                    |             Keywords:  newcomers
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5379
       Wiki Page:                    |
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Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"9e3aaf8b58d0f0e12e2d19b6928b6c2461d58dda/ghc"
 9e3aaf8b/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="9e3aaf8b58d0f0e12e2d19b6928b6c2461d58dda"
 Add missing since annotations

 Reviewers: hvr, bgamari, RyanGlScott

 Reviewed By: RyanGlScott

 Subscribers: RyanGlScott, rwbarton, carter

 GHC Trac Issues: #15930

 Differential Revision: https://phabricator.haskell.org/D5379
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15930#comment:3>
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