[GHC] #13902: Misleading function arity mismatch error with TypeApplications

[GHC]

#13902: Misleading function arity mismatch error with TypeApplications
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |             Keywords:
      Resolution:                    |  TypeApplications
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Iceland_jack):

 I like treating the function and visible type application as a whole. The
 type of `f @Int` is `Int -> Int` and takes a single argument but that is
 not the type of `f`

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13902#comment:1>
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