[commit: ghc] master: Move Data.Functor.Contravariant from the contravariant package to base. (8c7a155)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/8c7a1551fcd004c37f4ccd99c7c10395179519f1/ghc

>---------------------------------------------------------------

commit 8c7a1551fcd004c37f4ccd99c7c10395179519f1
Author: Andrew Martin <andrew.thaddeus at gmail.com>
Date:   Fri Mar 2 14:14:13 2018 -0500

    Move Data.Functor.Contravariant from the contravariant package to base.
    
    Move Data.Functor.Contravariant from the contravariant package to base.
    Since base is the bottom of the dependency hierarchy, several instances
    have been removed. They will need to be added to the following packages:
    transformers, StateVar, and possibly tagged. There may not actually have
    been any types from tagged that previous had instanced provided by this
    module though, since it may have only been used for Data.Proxy. Additionally,
    all CPP has been removed. Derived Typeable instances have been removed
    (since Typeable is now automatically derived for everything). The language
    extension Safe is still used, although it is unclear to ATM whether or not
    it is necessary.
    
    This resolves trac issue #14767.
    
    Test Plan: validate
    
    Reviewers: RyanGlScott, ekmett, hvr, bgamari
    
    Reviewed By: RyanGlScott
    
    Subscribers: rwbarton, thomie, ekmett, carter, RyanGlScott
    
    GHC Trac Issues: #14767
    
    Differential Revision: https://phabricator.haskell.org/D4399


>---------------------------------------------------------------

8c7a1551fcd004c37f4ccd99c7c10395179519f1
 docs/users_guide/8.6.1-notes.rst             |   7 +-
 libraries/base/Data/Functor/Contravariant.hs | 295 +++++++++++++++++++++++++++
 libraries/base/base.cabal                    |   1 +
 libraries/base/changelog.md                  |   2 +
 4 files changed, 304 insertions(+), 1 deletion(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 8c7a1551fcd004c37f4ccd99c7c10395179519f1