TODO: ...
TODO: ...
pizza ako object with crust: range [thin, thick, cheezy ] size: range [regular, large, family] type: range [ custom, meat, hawaiian, vegetarian, BBQchicken ] if_needed custom toppings: multivalued true range [ onion, pineapple, ham , peperoni, salami, beef, capsicum, chicken, olives, mushroom] if_needed [] quantity: if_needed 1 description: if_needed if (type == custom) then if (toppings == []) then << ^size ^crust crust >> else << ^size ^list_list(toppings) on ^crust crust >> else if (toppings == []) then << ^size ^type on ^crust crust >> else << ^size ^type on ^crust crust with ^list_list(toppings) >> ;;