Re: Caution on Boids

[Robert]

Thanks, Marcus!!  That was a very helpful description of
the problems (useful in assisting me with my own memory
leaks)

"Marcus G. Daniels" wrote:

> >>>>> "RB" == Robert Bell <address@hidden> writes:
>
> RB> Any idea where the problem is?
>
> Note: I'm am *not* volunteering to maintain this app.
>
> 1. PriorityQueue has leaks.  I avoided the leaks by putting them in a
>    temporary workspace zone.
>
> 2. A calculation object in [Boid -visible:] was not dropped.
>
> 3. An index wasn't dropped in [Polygon -createItem].
>
> 4. The Tcl/Tk coordinate string was not dropped in [Polygon -erase].
>
> Other problems:
>
> A. +create: was used in several places where +createBegin: was called for.
>
> B. Lack of handling for missing nodes in a PriorityQueue, resulting in
>    nil_method exceptions.
>



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