Re: In a dereference nightmare!

[Biker]

In a design nightmare? ;-)

I'd recommend that you do not return a reference to the inner hash to the caller that instantiates your object.

Return the reference to your blessed hash as for any usual implementation of a class. Then access the values of your blessed hash, that is "the inner hash" and any other object properties, only via the methods you provide to the caller.

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Everything went worng, just as foreseen.