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[debbugs-tracker] bug#12341: closed (define does not support lambda shor


From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#12341: closed (define does not support lambda shorthand notation, define-public does)
Date: Thu, 06 Sep 2012 21:38:02 +0000

Your message dated Thu, 06 Sep 2012 22:37:23 +0100
with message-id <address@hidden>
and subject line Re: bug#12341: define does not support lambda shorthand 
notation, define-public does
has caused the debbugs.gnu.org bug report #12341,
regarding define does not support lambda shorthand notation, define-public does
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
12341: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12341
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: define does not support lambda shorthand notation, define-public does Date: Mon, 03 Sep 2012 20:05:25 +0200
Having this supported in define-public but not in define seems like an
inconsistency:


address@hidden:/usr/local/tmp/lilypond$ guile
GNU Guile 2.0.5-deb+1-1
Copyright (C) 1995-2012 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (define-public ((x a) b) a)
scheme@(guile-user)> (define ((x a) b) a)
While compiling expression:
ERROR: Syntax error:
unknown file:2:0: source expression failed to match any pattern in form (define 
((x a) b) a)
scheme@(guile-user)> 

The Scheme report does not mention this explicitly, but it would appear
as a recursive application of the rule
(define (a b) ...) -> (define a (lambda (b) ...))

leading first to

(define (x a) (lambda (b) a))

and thence to

(define x (lambda (a) (lambda (b) a)))

And if it is not supposed to be supported, why is it supported with
define-public?

-- 
David Kastrup



--- End Message ---
--- Begin Message --- Subject: Re: bug#12341: define does not support lambda shorthand notation, define-public does Date: Thu, 06 Sep 2012 22:37:23 +0100 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux)
address@hidden (Ludovic Court$(D+2(Bs) writes:

> Should really be $B!H(BGuile 2.0$B!I(B and $B!H(BGuile$B!I(B, with a 
> capital $B!F(BG$B!G(B, when
> talking about the package.

Ah, of course. Fixed and Pushed.

Thanks David for the report, I'm marking this as done.

-- 
Ian Price -- shift-reset.com

"Programming is like pinball. The reward for doing it well is
the opportunity to do it again" - from "The Wizardy Compiled"


--- End Message ---

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