Why do you have to use $obj in the call to Foo()? Shouldn't you simply use the %hash value to create %newhash?
The basic problem that I see is that $obj doesn't know anything about the class %hash was tied to, so there is no simple way to implement Foo($obj).

In reply to Re: Given a tie object, get a tied hash (or scalar, or whatever) by wirrwarr
in thread Given a tie object, get a tied hash (or scalar, or whatever) by Dice

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