Sharing data in a data structure

[Vlad Dumitrescu]

Hi folks!

I just begun a project where the main data structure is a graph that shares 
a lot of data across branches and also with other graphs. Since we have no 
pointers here :-) the simplest alternative I came up with is to use indexes 
in a list or table instead. But I am a little worried because there will be 
a lot of searching when traversing the structure...

My question is: is there another way to do it? Maybe a different paradigm 
may be used, but myself I cannot escape from this one...

Duplicating the data is not acceptable, because it is necessary that a 
change in one place will be reflected everywhere. And it would also result 
in a humungous amount of data.

Thank you in advance. Regards,
Vlad

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