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May 06, 2012 at 03:18 PM

Return value obligatory for loops?

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Hi - I want to write a loop expression that doesn't yield a return value nor an action. It is simply a loop. It seems, however, that I am forced to choose either of these options. So I choose the proposed "Return Value" "Action". But it's confusing, since this "return value" is not populated and not intended to be populated. How to avoid it?