[DGD] mapping question

[pete at ana.sk]

> Nothing stops you from doing this:
> 
>     ...
> 
>     for (i = 0; i < sz; i++) {
> 	map[ind[i]] = <expression>;
>     }
> 
> What is the problem there?  Using an integer index as 'alias' for
> map[i] would cause problems anyway, imagine for instance what would
> happen if the mapping would be changed during the for() loop, an item
> added, one removed, etc.  This way actually works safely.

I was just asking if there is not some FASTER way then this, 
cause this needs to generate array of indices first. I'm doing it this 
way already. And i'm also aware of problems with could do it if 
items would be changed during loop. Well then it means this is 
only way so it must be fast enough :)

Pete

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