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* Map not call/cc safe
@ 2011-08-06 20:17 Hans Aberg
  2011-08-12 20:08 ` Andy Wingo
  0 siblings, 1 reply; 3+ messages in thread
From: Hans Aberg @ 2011-08-06 20:17 UTC (permalink / raw)
  To: bug-guile bug

FYI: running this file with Guile 2.0.2, the last test claims does not have call/cc safe 'map'.
  http://sisc-scheme.org/r5rs_pitfall.scm

Hans





^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Map not call/cc safe
  2011-08-06 20:17 Map not call/cc safe Hans Aberg
@ 2011-08-12 20:08 ` Andy Wingo
  2011-08-12 20:28   ` Hans Aberg
  0 siblings, 1 reply; 3+ messages in thread
From: Andy Wingo @ 2011-08-12 20:08 UTC (permalink / raw)
  To: Hans Aberg; +Cc: bug-guile bug

On Sat 06 Aug 2011 22:17, Hans Aberg <haberg-1@telia.com> writes:

> FYI: running this file with Guile 2.0.2, the last test claims does not have call/cc safe 'map'.
>   http://sisc-scheme.org/r5rs_pitfall.scm

This behaviour is permissible in the R5RS.  In R6RS it is not, and it
doesn't look like it will be permissible in R7RS either.  We'll fix it
eventually, but it will require some serious VM hacking (to allow for
effectively unlimited stacks).

Andy
-- 
http://wingolog.org/



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Map not call/cc safe
  2011-08-12 20:08 ` Andy Wingo
@ 2011-08-12 20:28   ` Hans Aberg
  0 siblings, 0 replies; 3+ messages in thread
From: Hans Aberg @ 2011-08-12 20:28 UTC (permalink / raw)
  To: Andy Wingo; +Cc: bug-guile bug

On 12 Aug 2011, at 22:08, Andy Wingo wrote:

>> FYI: running this file with Guile 2.0.2, the last test claims does not have call/cc safe 'map'.
>>  http://sisc-scheme.org/r5rs_pitfall.scm
> 
> This behaviour is permissible in the R5RS.  In R6RS it is not, and it
> doesn't look like it will be permissible in R7RS either.  We'll fix it
> eventually, but it will require some serious VM hacking (to allow for
> effectively unlimited stacks).

OK. Thanks for the info.

Hans





^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-08-12 20:28 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2011-08-06 20:17 Map not call/cc safe Hans Aberg
2011-08-12 20:08 ` Andy Wingo
2011-08-12 20:28   ` Hans Aberg

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