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How about
Have checkFn return the passed data if all is well, or undef if not and have doSthWith check its arguments. Or, incorporate the check into doSthWith - depending on where you want to localize the knowledge about the condition, and how you want to handle the race between the check and what you do with $test And, I don't advocate this but find the range of possibilities interesting and can't seem to stop myself from updating:
In reply to Re: variable processing and checking in one statement
by ig
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