[GHC] #14812: Dot-Notation for Flipped Function Application

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Fri Feb 16 09:16:13 UTC 2018


#14812: Dot-Notation for Flipped Function Application
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        Reporter:  tepan             |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by tepan):

 Replying to [comment:3 svenpanne]:
 Your premise is that whitespaces do or should only matter for indentation
 ("offside rule"), but they do matter as I pointed out, exactly when it
 comes to modules and the `.` syntax: `Foo . bar` is function composition
 of constructor `Foo` and function `bar`, whereas `Foo.bar` is `bar` of
 module `Foo`. The aim of my proposal is not to change that.

 Current dot-notation for modules (not to be changed):
 * `Foo.bar` (`bar` of module `Foo`)

 Proposed dot-notation for function application:
 * `foo.bar` (function `bar` applied to `foo`)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14812#comment:5>
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