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Can't call method "MoveBook" on an undefined value

by bgu (Novice)
on Jan 24, 2013 at 17:55 UTC ( #1015201=perlquestion: print w/ replies, xml ) Need Help??

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    package LibraryTest;
    use Moose;
    use Book;
    
    has 'unread_books' => (isa => 'ArrayRef[Book]', is =>'rw' );
    has 'read_books' => (isa => 'ArrayRef[Book]', is =>'rw' );
    

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