Hi,

I wonder why, in data structures, deleting a scalar invalidates all
pointers to any other scalar in the same canvas.

Is this a design choice ?

I'm asking this because I planned to use pointers inside abstractions to
handle scalars in a patch, for example for making them move.

But may be I'm wrong, because if every time a scalar is deleted all
[pointer]s have to [traverse( the patch to retrieve the scalar they
pointed to, it seems not so optimized.

Thanks in advance

Regards

JYG


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