Singly-linked list/Element insertion: Difference between revisions
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Using this method, insert an element C into a list comprised of elements A->B, following element A. |
Using this method, insert an element C into a list comprised of elements A->B, following element A. |
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=={{header|ACL2}}== |
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<lang Lisp>(defun insert-after (x e xs) |
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(cond ((endp xs) |
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nil) |
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((equal x (first xs)) |
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(cons (first xs) |
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(cons e (rest xs)))) |
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(t (cons (first xs) |
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(insert-after x e (rest xs))))))</lang> |
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Example: |
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<pre>>(insert-after 'A 'C '(A B)) |
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(A C B)</pre> |
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=={{header|ActionScript}}== |
=={{header|ActionScript}}== |
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