[DGD] arrays again

[pete at ana.sk]

> Fair enough. The driver is one possibility, but you could achieve
> some of this result by masking call_other() in the auto object and
> perform the deep copy if the return value is an array or a mapping.

Thats not enough in general, cause im using something like b=a, 
b[...]=... in some cases and of course i dont want a to be changed. 
I had to walk through code yesterday and try find all of it (which im 
still not sure i did all). The main problem was that i spent really too 
long time in catching some bug before i found out its because of 
array sharing (an idea that would not come to me even in worst 
nigtmare actually). I can just hope i corrected it all now. Actually 
after reworking some parts litte i do not need recursive array 
copies, always only 1 dimensional ones.
Sorry guys if i ofended anyone with my previous emails, but i was 
REALLY mad about if for a while. I still think dgd is great and i 
thank everyone that spent his time developing it.

Pete


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