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[We did lab BEFORE lecture on Thursday] Note: This lab builds on the following data definitions developed through section 10.2. We wrote the definitions on the board at the start of lab. The contains-doll? exercise is basically 10.2.1, but without referring to section 10.2. An inventory-rec is a (make-ir symbol number) (define-struct ir (name price)) An inventory is - empty, or - (cons inventory-rec inventory) Assignments: contains-doll? : inventory -> boolean 10.2.2 [introduces pictures as values] 10.2.3 10.2.5 [hide until they are ready] 10.2.7 [hide until they are ready] |