[erlang-questions] Process scope variable

[Imants Cekusins]

> sending a message
to another process, having it receive, sending a message back, and
receiving that is EXPENSIVE.

I am going to call - not cast the gs. The gs will never be busy handling
any other calls. Does it make a difference?

In any case, whatever the cost, while in the development phase, it's ok.

Before testing & production I can switch to passing the state if it makes
noticeable difference.

Thank you very much for your advice, Richard! I am sure that others
benefit, too.
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