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(node-list-last-element nodelist)
This function returns the last node in a node list which is an element (as opposed to a PI or anything else that might appear in a node list).
Norman Walsh, <norm@berkshire.net>
(define (node-list-last-element nodelist)
;; Return the last element node in a node list
(let loop ((el (empty-node-list)) (nl nodelist))
(if (node-list-empty? nl)
el
(if (gi (node-list-first nl))
(loop (node-list-first nl) (node-list-rest nl))
(loop el (node-list-rest nl))))))| Prev | Home | Next |
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Copyright © 1997, 1998 Norman Walsh