[GHC] #13561: Remove unsafe Chan combinators

[GHC]

#13561: Remove unsafe Chan combinators
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  (none)
            Type:  task              |               Status:  patch
        Priority:  high              |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #4154             |  Differential Rev(s):  Phab:D4060
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"361af6280d7025ac3e24d79c209b465db6f231f8/ghc" 361af62/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="361af6280d7025ac3e24d79c209b465db6f231f8"
 base: Remove deprecated Chan combinators

 Removes isEmptyChan and unGetChan, which have been deprecated for a very
 long time. See #13561.

 Test Plan: Validate

 Reviewers: austin, hvr

 Subscribers: rwbarton, thomie

 GHC Trac Issues: #13561

 Differential Revision: https://phabricator.haskell.org/D4060
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13561#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler