[Libreoffice] Question about iterator management in sw/source/core/fields/cellfml.cxx

Lubos Lunak l.lunak at suse.cz
Thu Feb 2 05:06:28 PST 2012

On Thursday 02 of February 2012, Stephan Bergmann wrote:
> On 02/02/2012 11:26 AM, Lubos Lunak wrote:
> >   I agree with all the points, but in Julien's defense, I remember
> > exactly this same approach was pushed in recently as a fix to the same
> > issue elsewhere.
> Might well be, I probably didn't notice.  And this is in no way meant to
> criticize Julien -- but I assume that's clear, anyway.
> > Perhaps we should agree on what the recommended way is? I personally
> > think
> Don't think its worth to go any more formal here.  I occasionally notice
> things and give comments, trying to give rationales as well.  But in the
> end, all those kinds of code are good and fine, anyway.

 I definitely didn't mean to get formal here, I simply meant a description of 
how to actually handle this, as it turns up now and then, and STL doesn't 
make this trivial.

> > the simplest and most elegant solution is to go with 'it =
> > container.erase( it );" and move the "++it" out of for()'s parentheses to
> > an else block of the
> it = erase(it) is unfortunately only C++11

 Oh, it's a map. Bugger. Ok, especially in that case it might be useful to 
point out that the solution is to use a temporary iterator for removal and 
advance the real one first. I can't be the only one who'd need a while to 
figure it out otherwise.

 Lubos Lunak
 l.lunak at suse.cz

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