>>>>> "Frank" == Frank Shearar <frank.shearar at angband.za.org> writes:

Frank> I finished a preliminary version of the shift/reset control operator for
Frank> creating and using partial continuations:

Frank> http://www.squeaksource.com/Control.html


Frank> It's pretty easy to use:

Frank> [ 1 + 2 ] reset => 3
Frank> [ 1 + [:k | 2 ] shift ] reset => 2 (because k's not used, that part of the
Frank> stack's discarded)
Frank> [ 1 + [:k | k value: 2 ] shift ] reset => 3
Frank> [ 1 + [:k | k value: (k value: 2) ] shift ] reset => 4
Frank> [ 1 + [:k | cont := k. k value: 0 ] shift ] reset => 1, and cont now holds the
Frank> continuation, for later (re-)use.

I have no clue what's going on here, and the "best paper" you link has
greek characters in the second column on the first page.

Can you explain what's happening in English?

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