Re: manipulating continuations

[Andy Wingo]

On Sat 12 Feb 2011 17:40, Keith Wright <address@hidden> writes:

> What is (% ...)?  What is a "partial continuation"?

% sets up a prompt. 

  http://www.gnu.org/software/guile/docs/master/guile.html/Prompts.html
  http://en.wikipedia.org/wiki/Delimited_continuation
  http://www.ccs.neu.edu/scheme/pubs/pldi93-sitaram.pdf

> Has Guile gone off into left field, never to return?

Hardly, these control operators are nearly a quarter of a century old...

> Can we continue from R5RS or R6RS?

R5RS and R6RS's continuations are not generally useful for making
abstractions that compose well together.  I would not recommend them to
anyone.

Regards,

Andy
-- 
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