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On 03/01/2012 01:19 PM, Alex Shinn wrote:
>
> Yes, I mentioned earlier that you can use the
> implementation of delimited continuations to
> implement call/cc.  The problem is it can't be
> done portably.
>

It would be a trivial matter to standardise the creation of and access
to a top-level prompt, though, so that call/cc could be implemented
portably. The main arguing point, I suspect, being where that prompt
should be placed in relation to a REPL :-) Perhaps each top-level
expression evaluated would get its own top-level prompt, to avoid issues...

ABS

- --
Alaric Snell-Pym
http://www.snell-pym.org.uk/alaric/
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