* assq-delete-all patch
@ 2003-04-23 8:29 Lars Hansen
0 siblings, 0 replies; only message in thread
From: Lars Hansen @ 2003-04-23 8:29 UTC (permalink / raw)
The built-in function assq ignores elements of the list that are not conses.
But the function assq-delete-all in subr.el fails. IMHO that is
inconsequent.
Therefore I suggest this patch:
(defun assq-delete-all (key alist)
"Delete from ALIST all elements whose car is KEY.
! Return the modified alist."
(let ((tail alist))
(while tail
! (if (eq (car (car tail)) key)
(setq alist (delq (car tail) alist)))
(setq tail (cdr tail)))
alist))
--- 2048,2058 ----
(defun assq-delete-all (key alist)
"Delete from ALIST all elements whose car is KEY.
! Return the modified alist.
! Elements of ALIST that are not conses are ignored."
(let ((tail alist))
(while tail
! (if (and (consp (car tail)) (eq (car (car tail)) key))
(setq alist (delq (car tail) alist)))
(setq tail (cdr tail)))
alist))
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2003-04-23 8:29 assq-delete-all patch Lars Hansen
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