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(define-module (test-vlist) |
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#:use-module (test-suite lib) |
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#:use-module (ice-9 vlist) |
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#:use-module (srfi srfi-1) |
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#:use-module (srfi srfi-26)) |
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(with-test-prefix "vlist" |
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(pass-if "vlist?" |
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(and (vlist? vlist-null) |
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(vlist? (vlist-cons 'a vlist-null)))) |
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(pass-if "vlist-null?" |
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(vlist-null? vlist-null)) |
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(pass-if "vlist-cons" |
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(let* ((v1 (vlist-cons 1 vlist-null)) |
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(v2 (vlist-cons 2 v1)) |
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(v3 (vlist-cons 3 v2)) |
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(v4 (vlist-cons 4 v3))) |
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(every vlist? (list v1 v2 v3 v4)))) |
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(pass-if "vlist-head" |
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(let* ((v1 (vlist-cons 1 vlist-null)) |
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(v2 (vlist-cons 2 v1)) |
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(v3 (vlist-cons 3 v2)) |
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(v4 (vlist-cons 4 v3))) |
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(equal? (map vlist-head (list v1 v2 v3 v4)) |
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'(1 2 3 4)))) |
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(pass-if "vlist-tail" |
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(let* ((v1 (vlist-cons 1 vlist-null)) |
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(v2 (vlist-cons 2 v1)) |
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(v3 (vlist-cons 3 v2)) |
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(v4 (vlist-cons 4 v3))) |
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(equal? (map vlist-head |
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(map vlist-tail (list v2 v3 v4))) |
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'(1 2 3)))) |
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(pass-if "vlist->list" |
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(let* ((v1 (vlist-cons 1 vlist-null)) |
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(v2 (vlist-cons 2 v1)) |
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(v3 (vlist-cons 3 v2)) |
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(v4 (vlist-cons 4 v3))) |
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(equal? '(4 3 2 1) |
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(vlist->list v4)))) |
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(pass-if "list->vlist" |
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(equal? (vlist->list (list->vlist '(1 2 3 4 5))) |
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'(1 2 3 4 5))) |
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(pass-if "vlist-drop" |
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(equal? (vlist->list (vlist-drop (list->vlist (iota 77)) 7)) |
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(drop (iota 77) 7))) |
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(pass-if "vlist-cons2" |
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(let* ((top (list->vlist '(8 7 6 5 4 3))) |
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(part (vlist-tail (vlist-tail top))) |
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(test (vlist-cons 9 part))) |
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(equal? (vlist->list test) |
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'(9 6 5 4 3)))) |
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(pass-if "vlist-cons3" |
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(let ((vlst (vlist-cons 'a |
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(vlist-cons 'b |
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(vlist-drop (list->vlist (iota 5)) |
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3))))) |
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(equal? (vlist->list vlst) |
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'(a b 3 4)))) |
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(pass-if "vlist-map" |
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(equal? (vlist->list (vlist-map 1+ (list->vlist '(1 2 3 4 5)))) |
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'(2 3 4 5 6))) |
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(pass-if "vlist-length" |
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(= (vlist-length (list->vlist (iota 77))) |
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77)) |
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(pass-if "vlist-length complex" |
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(= (vlist-length (fold vlist-cons |
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(vlist-drop (list->vlist (iota 77)) 33) |
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(iota (- 33 7)))) |
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70)) |
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(pass-if "vlist-ref" |
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(let* ((indices (iota 111)) |
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(vlst (list->vlist indices))) |
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(equal? (map (lambda (i) |
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(vlist-ref vlst i)) |
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indices) |
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indices))) |
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(pass-if "vlist-ref degenerate" |
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(let* ((indices (iota 111)) |
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(vlst (fold (lambda (i vl) |
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(let ((vl (vlist-cons 'x vl))) |
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(vlist-cons i (vlist-tail vl)))) |
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vlist-null |
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indices))) |
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(equal? (map (lambda (i) |
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(vlist-ref vlst i)) |
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(reverse indices)) |
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indices))) |
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(pass-if "vlist-filter" |
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(let* ((lst (iota 33)) |
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(vlst (fold-right vlist-cons vlist-null lst))) |
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(equal? (vlist->list (vlist-filter even? vlst)) |
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(filter even? lst)))) |
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(pass-if "vlist-delete" |
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(let* ((lst '(a b c d e)) |
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(vlst (fold-right vlist-cons vlist-null lst))) |
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(equal? (vlist->list (vlist-delete 'c vlst)) |
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(delete 'c lst)))) |
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(pass-if "vlist-take" |
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(let* ((lst (iota 77)) |
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(vlst (fold-right vlist-cons vlist-null lst))) |
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(equal? (vlist->list (vlist-take vlst 44)) |
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(take lst 44)))) |
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(pass-if "vlist-unfold" |
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(let ((results (map (lambda (unfold) |
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(unfold (lambda (i) (> i 100)) |
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(lambda (i) i) |
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(lambda (i) (+ i 1)) |
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0)) |
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(list unfold vlist-unfold)))) |
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(equal? (car results) |
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(vlist->list (cadr results))))) |
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(pass-if "vlist-append" |
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(let* ((lists '((a) (b c) (d e f) (g))) |
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(vlst (apply vlist-append (map list->vlist lists))) |
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(lst (apply append lists))) |
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(equal? lst (vlist->list vlst))))) |
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(with-test-prefix "vhash" |
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(pass-if "vhash?" |
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(vhash? (vhash-cons "hello" "world" vlist-null))) |
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(pass-if "vhash-assoc vlist-null" |
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(not (vhash-assq 'a vlist-null))) |
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(pass-if "vhash-assoc simple" |
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(let ((vh (vhash-cons "hello" "world" vlist-null))) |
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(equal? (cons "hello" "world") |
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(vhash-assoc "hello" vh)))) |
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(pass-if "vhash-assoc regular" |
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(let* ((keys '(a b c d e f g h i)) |
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(values '(1 2 3 4 5 6 7 8 9)) |
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(vh (fold vhash-cons vlist-null keys values))) |
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(fold (lambda (k v result) |
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(and result |
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(equal? (cons k v) |
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(vhash-assoc k vh eq?)))) |
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#t |
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keys |
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values))) |
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(pass-if "vhash-assoc tail" |
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(let* ((keys '(a b c d e f g h i)) |
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(values '(1 2 3 4 5 6 7 8 9)) |
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(vh1 (fold vhash-consq vlist-null keys values)) |
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(vh2 (vhash-consq 'x 'x (vlist-tail vh1)))) |
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(and (fold (lambda (k v result) |
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(and result |
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(equal? (cons k v) |
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(vhash-assq k vh2)))) |
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#t |
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(cons 'x (delq 'i keys)) |
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(cons 'x (delv 9 values))) |
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(not (vhash-assq 'i vh2))))) |
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(pass-if "vhash-assoc degenerate" |
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(let* ((keys '(a b c d e f g h i)) |
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(values '(1 2 3 4 5 6 7 8 9)) |
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(vh (fold (lambda (k v vh) |
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(let* ((vh1 (vhash-cons 'x 'x vh)) |
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(vh2 (vlist-tail vh1))) |
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(vhash-cons k v vh2))) |
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vlist-null keys values))) |
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(and (fold (lambda (k v result) |
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(and result |
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(equal? (cons k v) |
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(vhash-assoc k vh)))) |
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#t |
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keys |
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values) |
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(not (vhash-assoc 'x vh))))) |
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(pass-if "vhash as vlist" |
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(let* ((keys '(a b c d e f g h i)) |
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(values '(1 2 3 4 5 6 7 8 9)) |
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(vh (fold vhash-cons vlist-null keys values)) |
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(alist (fold alist-cons '() keys values))) |
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(and (equal? (vlist->list vh) alist) |
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(= (length alist) (vlist-length vh)) |
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(fold (lambda (i result) |
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(and result |
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(equal? (list-ref alist i) |
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(vlist-ref vh i)))) |
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#t |
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(iota (vlist-length vh)))))) |
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(pass-if "vhash entry shadowed" |
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(let* ((a (vhash-consq 'a 1 vlist-null)) |
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(b (vhash-consq 'a 2 a))) |
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(and (= 1 (cdr (vhash-assq 'a a))) |
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(= 2 (cdr (vhash-assq 'a b))) |
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(= 1 (cdr (vhash-assq 'a (vlist-tail b))))))) |
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(pass-if "vlist-filter" |
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(let* ((keys '(a b c d e f g h i)) |
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(values '(1 2 3 4 5 6 7 8 9)) |
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(vh (fold vhash-cons vlist-null keys values)) |
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(alist (fold alist-cons '() keys values)) |
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(pred (lambda (k+v) |
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(case (car k+v) |
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((c f) #f) |
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(else #t))))) |
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(let ((vh (vlist-filter pred vh)) |
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(alist (filter pred alist))) |
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(and (equal? (vlist->list vh) alist) |
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(= (length alist) (vlist-length vh)) |
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(fold (lambda (i result) |
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(and result |
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(equal? (list-ref alist i) |
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(vlist-ref vh i)))) |
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#t |
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(iota (vlist-length vh))))))) |
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(pass-if "vhash-delete" |
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(let* ((keys '(a b c d e f g d h i)) |
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(values '(1 2 3 4 5 6 7 0 8 9)) |
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(vh (fold vhash-cons vlist-null keys values)) |
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(alist (fold alist-cons '() keys values))) |
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(let ((vh (vhash-delete 'd vh)) |
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(alist (alist-delete 'd alist))) |
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(and (= (length alist) (vlist-length vh)) |
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(fold (lambda (k result) |
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(and result |
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(equal? (assq k alist) |
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(vhash-assoc k vh eq?)))) |
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#t |
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keys))))) |
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(pass-if "vhash-delete honors HASH" |
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(let* ((s "hello") |
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(vh (fold vhash-consv |
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(vhash-consv s "world" vlist-null) |
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(iota 300) |
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(iota 300)))) |
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(and (vhash-assv s vh) |
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(pair? (vhash-assv s (vhash-delete 123 vh eqv? hashv)))))) |
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(pass-if "vhash-fold" |
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(let* ((keys '(a b c d e f g d h i)) |
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(values '(1 2 3 4 5 6 7 0 8 9)) |
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(vh (fold vhash-cons vlist-null keys values)) |
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(alist (fold alist-cons '() keys values))) |
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(equal? alist (reverse (vhash-fold alist-cons '() vh))))) |
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(pass-if "vhash-fold-right" |
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(let* ((keys '(a b c d e f g d h i)) |
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(values '(1 2 3 4 5 6 7 0 8 9)) |
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(vh (fold vhash-cons vlist-null keys values)) |
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(alist (fold alist-cons '() keys values))) |
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(equal? alist (vhash-fold-right alist-cons '() vh)))) |
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(pass-if "alist->vhash" |
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(let* ((keys '(a b c d e f g d h i)) |
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(values '(1 2 3 4 5 6 7 0 8 9)) |
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(alist (fold alist-cons '() keys values)) |
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(vh (alist->vhash alist)) |
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(alist2 (vlist-fold cons '() vh))) |
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(and (equal? alist (reverse alist2)) |
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(fold (lambda (k result) |
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(and result |
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(equal? (assq k alist) |
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(vhash-assoc k vh eq?)))) |
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#t |
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keys)))) |
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(pass-if "vhash-fold*" |
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(let* ((keys (make-list 10 'a)) |
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(values (iota 10)) |
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(vh (fold vhash-cons vlist-null keys values))) |
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(equal? (vhash-fold* cons '() 'a vh) |
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values))) |
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(pass-if "vhash-fold* tail" |
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(let* ((keys (make-list 100 'a)) |
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(values (iota 100)) |
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(vh (fold vhash-cons vlist-null keys values))) |
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(equal? (vhash-fold* cons '() 'a (vlist-drop vh 42)) |
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(take values (- 100 42))))) |
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(pass-if "vhash-fold* interleaved" |
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(let* ((keys '(a b a b a b a b a b c d e a b)) |
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(values '(1 0 2 0 3 0 4 0 5 0 0 0 0 6 0)) |
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(vh (fold vhash-cons vlist-null keys values))) |
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(equal? (vhash-fold* cons '() 'a vh) |
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(filter (cut > <> 0) values)))) |
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(pass-if "vhash-foldq* degenerate" |
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(let* ((keys '(a b a b a a a b a b a a a z)) |
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(values '(1 0 2 0 3 4 5 0 6 0 7 8 9 0)) |
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(vh (fold (lambda (k v vh) |
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(let* ((vh1 (vhash-consq 'x 'x vh)) |
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(vh2 (vlist-tail vh1))) |
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(vhash-consq k v vh2))) |
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vlist-null keys values))) |
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(equal? (vhash-foldq* cons '() 'a vh) |
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(filter (cut > <> 0) values))))) |
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