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minor

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svn: r7408
This commit is contained in:
Eli Barzilay 2007-09-25 01:13:20 +00:00
parent beba8aa2d0
commit 8586952ab6
1 changed files with 25 additions and 25 deletions
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50
collects/lazy/lazy.ss
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@ -367,34 +367,34 @@
(define* (~equal? x y . args)
(let ([args (!list args)])
(if (pair? args)
(and (~equal? x y) (apply ~equal? y (cdr args)))
(and (~equal? x y) (apply ~equal? x (cdr args)))
(or (equal? x y)
(let ([x (! x)] [y (! y)])
(or (equal? x y)
(cond
[(pair? x) (and (pair? y)
(~equal? (car x) (car y))
(~equal? (cdr x) (cdr y)))]
[(vector? x) (and (vector? y)
(andmap ~equal?
(vector->list x)
(vector->list y)))]
[(box? x) (and (box? y) (~equal? (unbox x) (unbox y)))]
[(struct? x)
(and (struct? y)
(let-values ([(xtype xskipped?) (struct-info x)]
[(ytype yskipped?) (struct-info y)])
(and xtype ytype (not xskipped?) (not yskipped?)
(eq? xtype ytype)
(let*-values
([(name initk autok ref set imms spr skp?)
(struct-type-info xtype)]
[(k) (+ initk autok)])
(let loop ([i 0])
(or (= i k)
(and (~equal? (ref x i) (ref y i))
(loop (add1 i)))))))))]
[else #f])))))))
[(pair? x) (and (pair? y)
(~equal? (car x) (car y))
(~equal? (cdr x) (cdr y)))]
[(vector? x) (and (vector? y)
(andmap ~equal?
(vector->list x)
(vector->list y)))]
[(box? x) (and (box? y) (~equal? (unbox x) (unbox y)))]
[(struct? x)
(and (struct? y)
(let-values ([(xtype xskipped?) (struct-info x)]
[(ytype yskipped?) (struct-info y)])
(and xtype ytype (not xskipped?) (not yskipped?)
(eq? xtype ytype)
(let*-values
([(name initk autok ref set imms spr skp?)
(struct-type-info xtype)]
[(k) (+ initk autok)])
(let loop ([i 0])
(or (= i k)
(and (~equal? (ref x i) (ref y i))
(loop (add1 i)))))))))]
[else #f])))))))
;; --------------------------------------------------------------------------
;; List functions
@ -463,7 +463,7 @@
ls
(cons (car l) (~ (loop (! (cdr l))))))))])))
;; useful utility for many list functions
;; useful utility for many list functions below
(define (!cdr l) (! (cdr l)))
(define-syntax (deflistiter stx)