GNU bug report logs - #10938
procedure-arguments return differnet output when procedure-property is used

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Israelsson Tampe <stefan.itampe <at> gmail.com>
Subject: bug#10938: closed (Re: bug#10938: patch)
Date: Mon, 02 Jul 2012 13:17:02 +0000

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Your bug report

#10938: procedure-arguments return differnet output when procedure-property is used

which was filed against the guile package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 10938 <at> debbugs.gnu.org.

-- 
10938: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=10938
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Stefan Israelsson Tampe <stefan.itampe <at> gmail.com>
Cc: 10938-done <at> debbugs.gnu.org
Subject: Re: bug#10938: patch
Date: Mon, 02 Jul 2012 15:11:30 +0200

Hi Stefan,

Thanks, fixed differently in a8215aedad433a15abf87c2310a41c684dfcef97.

In the future, could you please provide a patch with a log and test case
similar to what’s in the above commit?

Ludo’.

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From: Stefan Israelsson Tampe <stefan.itampe <at> gmail.com>
To: bug-guile <at> gnu.org
Subject: procedure-arguments return differnet output when procedure-property
	is used
Date: Sun, 4 Mar 2012 13:15:47 +0100

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Typeically in guile

> (procedure-arguments g)
$3 = ((required x) (optional) (keyword) (allow-other-keys? . #f) (rest .
#f))

for a program g. But if we attach a procedure property 'arglist the outpu
is acording to (system ice-9 session),
(define (procedure-arguments proc)
  "Return an alist describing the arguments that `proc' accepts, or `#f'
if the information cannot be obtained.

The alist keys that are currently defined are `required', `optional',
`keyword', and `rest'."
  (cond
   ((procedure-property proc 'arglist)
    => (lambda (arglist)
         `((required . ,(car arglist))
           (optional . ,(cadr arglist))
           (keyword . ,(caddr arglist))
           (allow-other-keys? . ,(cadddr arglist))
           (rest . ,(car (cddddr arglist))))))
   ((procedure-source proc)
    => cadr)
   (((@ (system vm program) program?) proc)
    ((@ (system vm program) program-arguments-alist) proc))
   (else #f)))

Acording to the description allow-other-keys? is not included, but returned
for a program
but not of prop 'arglist is used, so either

1. drop allow-other-keys? from the program? version or add it to the proper
version and change doc string

Regards
Stefan

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