Fix tests with even?
Add test for struct syntax info. svn: r12095 original commit: 24c4d0b3fc067072677cd6037657247a315aaccb
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@ -6,7 +6,7 @@
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(define: (element-of? [elt : top] [s : set]) : top (s elt))
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(define: (evens [elt : top]) : top (and (number? elt) (even? elt)))
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(define: (evens [elt : top]) : top (and (integer? elt) (even? elt)))
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(define-typed-struct pr ([fst : top] [snd : top]))
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@ -334,9 +334,10 @@
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(build (second (first pair))
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(second pair))))
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;; changed to test for integer? before even? check.
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(define: (collatz [n : number]) : number
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(cond [(one? n) 1]
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[(even? n) (collatz (/ n 2))]
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[(and (integer? n) (even? n)) (collatz (/ n 2))]
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[else (collatz (add1 (* 3 n)))]))
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3
collects/tests/typed-scheme/succeed/struct-out.ss
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3
collects/tests/typed-scheme/succeed/struct-out.ss
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@ -0,0 +1,3 @@
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#lang typed-scheme
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(require-typed-struct posn ([x : Number] [y : Number]) lang/posn)
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(provide (struct-out posn))
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