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* bug#21900: map is not continuation-safe
@ 2015-11-13  8:34 Zefram
  2016-06-20 16:01 ` Andy Wingo
  0 siblings, 1 reply; 2+ messages in thread
From: Zefram @ 2015-11-13  8:34 UTC (permalink / raw)
  To: 21900

With Guile 2.0.11:

scheme@(guile-user)> (define cc #f)
scheme@(guile-user)> (map (lambda (v) (if (= v 0) (call/cc (lambda (c) (set! cc c) 0)) (+ v 1))) '(10 20 30 0 40 50 60))
$1 = (11 21 31 0 41 51 61)
scheme@(guile-user)> (cc 5)
$2 = (61 51 41 0 31 5 41 51 61)

It worked correctly in Guile 1.8.

-zefram





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2015-11-13  8:34 bug#21900: map is not continuation-safe Zefram
2016-06-20 16:01 ` Andy Wingo

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