GNU bug report logs - #14164
letrec: detect illegal accesses to vars before entering body

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Nikita Karetnikov <nikita <at> karetnikov.org>
To: bug-guile <at> gnu.org
Subject: 'letrec' allows to refer to the values of previously bound variables
Date: Tue, 09 Apr 2013 08:41:04 +0400

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According to the manual [1], this snippet:

(letrec ((a 42)
         (b (+ a 10)))
  (* a b))

should return "Error: unbound variable: a."  But it returns 2184 in
Guile 2.0.7.  Either there is a bug in the manual or 'letrec' doesn't
work properly.

[1] https://gnu.org/software/guile/manual/guile.html#Local-Bindings

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