fixed trivial bugs
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88706bddad
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95561ba3e8
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@ -244,7 +244,7 @@
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(map third list)
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(map fourth list)))
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(define (unzip3 list)
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(define (unzip5 list)
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(values (map first list)
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(map second list)
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(map third list)
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@ -260,7 +260,8 @@
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(export length length+
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append append! concatenate concatenate!
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reverse reverse! append-reverse append-reverse!
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zip unzip1 unzip2 unzip3 unzip4 unzip5)
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zip unzip1 unzip2 unzip3 unzip4 unzip5
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count)
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;; # Fold, unfold & map
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;; map for-each
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@ -355,6 +356,7 @@
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(define (append-map! f . clists)
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(apply append! (apply map f clists)))
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;; means for inter-referential definition
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(define pair-for-each #f)
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(define (map! f list . lists)
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@ -365,8 +367,8 @@
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(let ((head (map car lists))
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(rest (map cdr lists)))
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(set-car! list (apply f (car list) head))
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(rec (cdr list) tail)))))
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list1)
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(rec (cdr list) rest)))))
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list)
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(define (map-in-order f clist . clists)
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(if (null? clists)
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@ -444,7 +446,7 @@
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(remove! pred list)))
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(define (remove! pred list)
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(filter! (lambda (x) (net (pred x))) list))
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(filter! (lambda (x) (not (pred x))) list))
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(export filter partition remove
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filter! partition! remove!)
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@ -505,7 +507,7 @@
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(define (span! pred clist)
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(values (take-while! pred clist)
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(drop-while! pred clist)))
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(drop-while pred clist)))
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(define (break pred clist)
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(values (take-while (lambda (x) (not (pred x))) clist)
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@ -513,7 +515,7 @@
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(define (break! pred clist)
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(values (take-while! (lambda (x) (not (pred x))) clist)
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(drop-while! (lambda (x) (not (pred x))) clist)))
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(drop-while (lambda (x) (not (pred x))) clist)))
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(define (any pred clist . clists)
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(if (null? clists)
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