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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
14735 changed files with 178959 additions and 0 deletions
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8
Task/Singly-linked-list-Element-insertion/Scheme/singly-linked-list-element-insertion-1.ss Normal file
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(define (insert-after a b lst)
(if (null? lst)
lst ; This should be an error, but we will just return the list untouched
(let ((c (car lst))
(cs (cdr lst)))
(if (equal? a c)
(cons a (cons b cs))
(cons c (insert-after a b cs))))))

4
Task/Singly-linked-list-Element-insertion/Scheme/singly-linked-list-element-insertion-2.ss Normal file
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(define (insert-after! a b lst)
(let ((pos (member a lst)))
(if pos
(set-cdr! pos (cons b (cdr pos))))))