Good catch. I meant this 
# UNTESTED
# factory approach
my $factory = AnimalFoodFactory->new; 
my $food_object = $factory->prepare_correct_chow(animal=> 'lion');
# now ref $food_object eq 'LionFood'

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In reply to Re^2: OO: Factory vs. "Seed" (?) pattern by water
in thread OO: Factory vs. "Seed" (?) pattern by water

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