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Inconsistency with expressions between definitions


From: Dr. Arne Babenhauserheide
Subject: Inconsistency with expressions between definitions
Date: Sun, 24 Sep 2023 09:09:39 +0200
User-agent: mu4e 1.10.7; emacs 29.0.92

Hi,

while writing a comment to SRFI-245 I think I found an inconsistency in
the Implementation in Guile.

This works:

(define (using-later-variable)
  (define x y)
  (define y #t)
  x)
(using-later-variable)
;; => #t

This still works:

(define (using-later-variable)
  (define x y)
  (newline)
  (define y #t)
  x)
(using-later-variable)
;; => (newline output)
;; => #t

This fails:

(define (using-later-variable)
  (define x y)
  (display x)
  (newline)
  (define y #t)
  x)
(using-later-variable)
;; => #<unspecified>

Best wishes,
Arne
-- 
Unpolitisch sein
heißt politisch sein,
ohne es zu merken.
draketo.de

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