On Tue, Jun 29, 2010 at 01:28:19PM +0100, Bruce Stephens wrote:
> Out of curiousity, where did this convention/idiom come from, and what's
> it for?
>
> I presume it's to remove a warning ("oe might be used uninitialised") on
> a compiler (or something) that's clever enough to attempt such analysis
> but too stupid to notice that the supposed initialisation is using
> something uninitialised (or perhaps the compiler's deliberately
> recognising the convention?). Is that right, or does it actually do
> something more?
>
> I'm mostly surprised that it surprises me. Is it used commonly in other
> projects? (It appears not to be mentioned in CodingGuidelines; should
> it be?)
>
> (First instance in git that I can see is
> 67affd5173da059ca60aab7896985331acacd9b4, 2006.)
There are some good explanations in the list archives.
http://thread.gmane.org/gmane.comp.version-control.git/133278/focus=133422
http://thread.gmane.org/gmane.comp.version-control.git/124676/focus=124803
--
David
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