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I think they might be used to preserve state, as in say web server, and then restore from there. But I might be wrong, I've studied a bit of Common Lisp and people were mentioning bringing scheme continutations there through macroses, to be used for that.

On 7/12/2011 4:35 AM, steve donovan wrote:
On Tue, Jul 12, 2011 at 1:30 PM, Tony Finch<dot@dotat.at>  wrote:
So I think it is that bad.

Also, it's possible that I've led a sheltered life under a bush, but
what would full continuations give us that we don't already have?

(This feature may not have migrated from Scheme often for a good reason)

steve d.