Why not the $ operator?  ! looks funny in the places it would be used
but $ has a president already.

The only issue would be that Haskell programmers might get confused
when they see it.  In Haskell the application is right to left, in
Smalltalk it is left to right.  But not a big problem I would say.

On 8/25/07, Alan Lovejoy <squeak-dev.sourcery at forum-mail.net> wrote:
> Since the selector #'|' is already taken for other purposes, why not use
> #'!' instead (exclamation point instead of the bar)?
>
>
>