BAD:           if ($po->status->name eq 'Sent') ...
ALMOST AS BAD: if ($po->can_send) ...
GOOD:          $po->send

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You are breaking encapsulation in all but the last case.
How, pray tell, does a predicate function "break encapsulation"? can_send is not a getter; it reveals nothing about how the purchase order answers the question. Encapsulation is quite safely preserved.

In reply to Re: Re: Short Refactoring Tip: let the object do it for you by dws
in thread Short Refactoring Tip: let the object do it for you by Ovid

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