Re: [GHC] #14671: Make the Template Haskell class Lift work over typed expressions

4 Mar 2019

      #14671: Make the Template Haskell class Lift work over typed expressions
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        Reporter:  simonpj           |                Owner:  (none)
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:  8.10.1
       Component:  Template Haskell  |              Version:  8.2.2
      Resolution:  fixed             |             Keywords:
                                     |  TemplateHaskell
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  deriving/should_compile/T14682
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |  https://gitlab.haskell.org/ghc/ghc/merge_requests/351
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Comment (by Marge Bot ):

 In [changeset:"7f26b74e409d058005909fc2b2ed2e6027d49365/ghc" 7f26b74/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7f26b74e409d058005909fc2b2ed2e6027d49365"
 Add `liftedTyped` to `Lift` class

 Implements GHC proposal 43, adding a `liftTyped` method to the `Lift`
 typeclass.
 This also adds some documentation to `TExp`, describing typed splices and
 their
 advantages over their untyped counterparts.

 Resolves #14671.
 }}}

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14671#comment:4
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