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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Lars Magne Ingebrigtsen <larsi@gnus.org>
Cc: 7834@debbugs.gnu.org
Subject: bug#7834: 24.0.50; doc of `put-image'
Date: Fri, 15 Jul 2011 10:42:54 -0400	[thread overview]
Message-ID: <jwvy5zz7ghv.fsf-monnier+INBOX@gnu.org> (raw)
In-Reply-To: <m3oc0wu6a7.fsf@quimbies.gnus.org> (Lars Magne Ingebrigtsen's message of "Thu, 14 Jul 2011 19:21:52 +0200")

>> 2. Why not have `put-image' return the overlay itself?  That would
>> simplify code such as that of `image-dired-dired-toggle-marked-thumbs',
>> which, just after calling `put-image', tries to examine all overlays at
>> point just to find the right one - the one with a `put-image' property.

> That's a good idea.  Stefan, however, is really against primarily
> side-effect-ey functions returning usable values, so we should check
> with him first.

This function creates a new object, and that's a good idea to return it.
The cases to which I'm opposed is when the function returns something
which the caller knows even before calling the function.


        Stefan





  reply	other threads:[~2011-07-15 14:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-12 22:43 bug#7834: 24.0.50; doc of `put-image' Drew Adams
2011-07-14 17:21 ` Lars Magne Ingebrigtsen
2011-07-15 14:42   ` Stefan Monnier [this message]
2011-07-15 14:51     ` Lars Magne Ingebrigtsen
2011-07-15 21:01       ` Stefan Monnier
2011-07-17 17:49         ` Lars Magne Ingebrigtsen
2012-04-10  2:35     ` Lars Magne Ingebrigtsen

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