GNU bug report logs - #24171
25.1; Bytecode returns nil instead of expected closure

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Package: emacs;

Reported by: Michael Heerdegen <michael_heerdegen <at> web.de>

Date: Sat, 6 Aug 2016 23:23:02 UTC

Severity: normal

Found in version 25.1

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 24171 <at> debbugs.gnu.org, Alex Vong <alexvong1995 <at> gmail.com>
Subject: bug#24171: 25.1; Bytecode returns nil instead of expected closure
Date: Sun, 07 Aug 2016 11:01:50 +0200

Michael Heerdegen <michael_heerdegen <at> web.de> writes:

> eval this defun:
>
> (defun test ()
>   (let ((my-cool-fun 'dummy))
>     (let ((my-cool-fun
>            (let ((calculate (lambda () 1)))
>              (lambda () (setq my-cool-fun calculate))))
>           (return-my-cool-fun (lambda () my-cool-fun)))
>       (funcall my-cool-fun)
>       (funcall return-my-cool-fun))))
>
> (test) evals to a closure as expected.

ELISP> (test)
*** Eval error ***  Symbol’s value as variable is void: calculate

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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This bug report was last modified 8 years and 341 days ago.

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