As an expansion: _Print_Me() is expecting an argument (a reference to a hash), which it puts in $self. It then prints the hash element user out of that argument.

In your version of Show_Me, you don't pass it that expected argument. There are two ways to do so in this case: Using standard function notation (_Print_Me($self)) or using object notation, which implies the object itself as the first argument. ($self->_Print_Me())

In reply to Re^2: Simple OO Question by DStaal
in thread Simple OO Question by Anonymous Monk

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