[Haskell-cafe] New type of ($) operator in GHC 8.0 is problematic

[Raphael Gaschignard]

I think the "show a simple type, then the 'real' type " solution is pretty
good ( especially since you need to be doing type level programming to hit
issues where the simple type doesn't hold anyways) , but on the topic of
several languages: doesn't  Haskell98 kind of solve the teaching issue? If
you're using the standard stuff stick to the old $...

I know Racket does some "language swapping" so that a beginner language is
available . I don't know how well that works
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