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Paste # 13574 | ||
2019-02-17 09:49:48 | ||
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#lang pie ;; <= (claim zero<=? (-> Nat Nat)) (define zero<=? (lambda (j) 1)) (claim step-<=? (-> Nat (-> Nat Nat) (-> Nat Nat))) (define step-<=? (lambda (n-1 n-1<=?) (lambda (j) (rec-Nat j 0 (lambda (j-1 almost_j-1) (n-1<=? j-1)))))) (claim <=? (-> Nat Nat Nat)) (define <=? (lambda (n j) ((rec-Nat n zero<=? step-<=?) j))) ;; insert :: Ord a => a -> [a] -> [a] ;; insert x [] = [x] ;; insert x (y:ys) ;; | x < y = x:y:ys ;; | otherwise = y : insert x ys (claim step-insert (-> Nat Nat (List Nat) (List Nat) (List Nat))) (define step-insert (lambda (x) (lambda (y ys result_ys) (which-Nat (<=? x y) (:: y result_ys) (lambda (_) (:: x (:: y ys) ) ))))) (claim insert (-> Nat (List Nat) (List Nat))) (define insert (lambda (x list) (rec-List list (:: x nil) (step-insert x))))
=>
standard-module-name-resolver: collection not found for module path: (submod pie reader) collection: "pie" in collection directories: /home/pasterack/.racket/6.8/collects /home/pasterack/racket68/collects ... [161 additional linked and package directories] context...: show-collection-err standard-module-name-resolver /home/pasterack/racket68/share/pkgs/scribble-lib/scribble/private/manual-code.rkt:112:0: get-tokens /home/pasterack/racket68/share/pkgs/scribble-lib/scribble/private/manual-code.rkt:56:0: typeset-code15 /home/pasterack/pasterack/tmp/13574/13574code.scrbl: [running body] loop ...cket/cmdline.rkt:179:51 /home/pasterack/racket68/share/pkgs/scribble-lib/scribble/run.rkt: [running body]