If you use a global for the caching you are doing it wrong. You allow anyone, anywhere to change the cached value. The right way before state was 

{ my $_cached;
 sub whatever {
   $_cached //= ...
 }
}

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Jenda
Enoch was right!
Enjoy the last years of Rome.

In reply to Re^3: 'state' variables and unit testing by Jenda
in thread 'state' variables and unit testing by vsespb

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