<b>(a)</b> (define-cbr-as-cbv do-f (arg ...) () body) <b>(b)</b> (define-cbr (f a b) (swap a b)) <b>(c)</b> (begin (define-cbr-as-cbv do-f (a b) () (swap a b)) (define do-f . . .)) <b>(d)</b> (begin (define-cbr-as-cbv do-f () ((a get<sub>1</sub> set<sub>1</sub>) (b get<sub>2</sub> set<sub>2</sub>)) (swap a b)) (define do-f . . .))
Example 10: Replacement for ???.