[GHC] #915: Implement list fusion using streams instead of foldr/build

[GHC]

#915: Implement list fusion using streams instead of foldr/build
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        Reporter:  simonpj           |                Owner:  (none)
            Type:  task              |               Status:  closed
        Priority:  normal            |            Milestone:  7.6.1
       Component:  libraries/base    |              Version:  6.8
      Resolution:  invalid           |             Keywords:  fusion
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  N/A
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by pggiarrusso):

 If anybody is unaware and interested: the latest work on the topic is
 "Stream Fusion, to Completeness" (https://strymonas.github.io/), and in
 Sec. 8 it seems to claim advantages relative to the HERMIT work (though
 I've only skimmed this), so that might be relevant.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/915#comment:52>
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