[Haskell-cafe] Function application like a Unix pipe

Henning Thielemann lemming at henning-thielemann.de
Wed Nov 23 07:20:49 EST 2005

On Wed, 23 Nov 2005, Udo Stenzel wrote:

> Scherrer, Chad wrote:
>> Maybe my point wasn't clear. Of course this idea of comparing lazy
>> evaluation to Unix pipes is very old (long before July 2004, I'm sure).
>> The point I'm making is that there is an old idea that may be underused.
> It is, and only because (.) is defined all wrong!

  (a . b) x
  a $ b x
  a (b x)

are equivalent, do you also want to reverse function and argument in order 
to match argument order of . and $ ?

That is
  x (b . a)
  x b $ a
  (x b) a

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