[Haskell-cafe] let and fixed point operator
lemming at henning-thielemann.de
Thu Aug 30 16:26:33 EDT 2007
On Thu, 30 Aug 2007, Peter Verswyvelen wrote:
> infixl 0 \> -- I just took the first weird symbol combination that came to
> mind, this does not mean anything (I hope ;-)
> x \> fx = fx x
> f x = x * scale \> \x ->
> x + transform \> \x ->
> g x
> like this you don't have to invent new names, and you don't have to type
> much more.
> I'm sure this silly sequencing operator must already exist in the library
Sure, its name is (>>=). It must be used for the Identity monad, as
mentioned by Derek Elkins earlier in this thread.
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