Jason Johnson wrote:
> ... But having an operator that disambiguates how to resolve
> statements without so many parenthesis?  Sure, I would entertain it.
> I absolutely love it in Haskell.
>   
How often would it be used in practice?  Would most uses be valid, or 
would most have to be considered as suboptimal code?

Would it attract a significant body of functional programmers to Smalltalk?

Those are the deciding questions.