I am OVERLOADING a package.
I have a PACKAGE called VERIFY_CARD_TYPE . It in are two functions, into which I pass a credit_card_number.
The FUNCTIONS are called IS_IT_FSA. One returns a BOOLEAN value and the other returns a VARCHAR
What I need to know is; can I choose to test either the BOOELAN or VARCHAR returned values? Or do I have to specify which of the FUNCTIONS I want to execute?