[GHC] #8288: add idris style EDSL support for deep embedding lambdas

[GHC]

#8288: add idris style EDSL support for deep embedding lambdas
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              Reporter:  carter      |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.6.3
             Component:  Compiler    |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Project (more
  Unknown/Multiple                   |  than a week)
       Type of failure:              |       Blocked By:
  None/Unknown                       |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by carter):

 @rodlogic I dont think deep embedding lambdas has ANYthing to do with the
 syntax extension support at alll :)

 Additionally, Idris needs because the default evaluation strategy is
 Strict anyways.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8288#comment:5>
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