[gameprogrammer] Re: Iterator question/organize a vector
- From: "Alan Wolfe" <alan.wolfe@xxxxxxxxx>
- To: gameprogrammer@xxxxxxxxxxxxx
- Date: Sun, 2 Mar 2008 21:49:36 -0800
I know some people think STL rules, but of the game programmers ive
talked to about it, nobody seems to really use it.
IMO this is a case in point where STL isn't so hot; It's unclear the
right way to do a simple operation - something you could have coded
yourself in just a few minutes (:
On Sun, Mar 2, 2008 at 9:16 PM, Chris Nystrom <cnystrom@xxxxxxxxx> wrote:
> On 3/2/08, David Olsen <jolynsbass@xxxxxxxxx> wrote:
> > Hi guys,
> > I'm just double checking on how to use iterators in my game. I have a list
> > of words, and the potential to re-arrange their order. Is this the correct
> > manner in which to do so with iterators:
> >
> > a vector called "word", with iterator #1 (iter1) and iterator #2 (iter2).
> > iter2 is always the next vector element after iter1. (iter2 = iter1++)
> >
> > in the event that I need to switch the two words, does this c++ code work?
> >
> > word.insert(iter1,*iter2);
> > word.erase(iter2);
> >
> > will this give me the expected result? or will I erase what's pointed to by
> > iter1, since I just added something in front of it, essentially putting it
> > in the place where iter2 has been pointing?
>
> I do not know. Can you write a little test program to see if it works?
>
> Chris
>
> --
> E-Mail: Chris Nystrom <cnystrom@xxxxxxxxx>
> Saving the world from web programming.
> http://www.newio.org - AIM: nystromchris
>
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