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But isn't that just the start of the answer? What is described here is
the need for a separate module (a very small one, I admit) which has
it's own global, non-exported, variable and at least 2 exported
procedures. One for reset and one for fetching (and perhaps one for
modifying, so additions, subtractions, muliplications, etc.). Bind it to
the program which is using this and voila, your meal is cooked!
That way you have protected the variable from direct access, you don't
have to cleverly lie to the compiler (sorry, divert it from the true
situation) and implement it quite cleanly.
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