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(define-macro (check test)
`(if (not ,test) (error "Error in test" ',test)))
(define b (make <Bar>))
(check (= (bar b) 1))
(define f (make <Foo>))
(check (= (foo f) 2))
(define fb (make <FooBar>))
(check (= (bar fb) 1))
(check (= (foo fb) 2))
(check (= (fooBar fb) 3))
(define id1 (make <IgnoreDerived1>))
(check (= (bar id1) 1))
(check (= (ignorederived1 id1) 7))
(define id2 (make <IgnoreDerived2>))
(check (= (bar id2) 1))
(check (= (ignorederived2 id2) 8))
(define id3 (make <IgnoreDerived3>))
(check (= (bar id3) 1))
(check (= (ignorederived3 id3) 9))
(define id4 (make <IgnoreDerived4>))
(check (= (bar id4) 1))
(check (= (ignorederived4 id4) 10))
(exit 0)
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