From: morioka Date: Sat, 31 Oct 1998 14:50:49 +0000 (+0000) Subject: (combine-after-change-calls): New macro. X-Git-Tag: apel-9_9~5 X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72aedd0d7b11a3ce519a236505b614e51be49a2f;p=elisp%2Fapel.git (combine-after-change-calls): New macro. --- diff --git a/poe.el b/poe.el index fb56d9e..47de664 100644 --- a/poe.el +++ b/poe.el @@ -302,6 +302,22 @@ Value is nil if OBJECT is not a buffer or if it has been killed. "(unless COND BODY...): if COND yields nil, do BODY, else return nil." (cons 'if (cons cond (cons nil body)))) +;; imported from Emacs 20.3. +(defun-maybe last (x &optional n) + "Return the last link of the list X. Its car is the last element. +If X is nil, return nil. +If N is non-nil, return the Nth-to-last link of X. +If N is bigger than the length of X, return X." + (if n + (let ((m 0) (p x)) + (while (consp p) + (setq m (1+ m) p (cdr p))) + (if (<= n 0) p + (if (< n m) (nthcdr (- m n) x) x))) + (while (cdr x) + (setq x (cdr x))) + x)) + (defmacro-maybe save-current-buffer (&rest body) "Save the current buffer; execute BODY; restore the current buffer. Executes BODY just like `progn'." @@ -352,21 +368,7 @@ See also `with-temp-file' and `with-output-to-string'." (and (buffer-name (, temp-buffer)) (kill-buffer (, temp-buffer)))))))) -;; imported from Emacs 20.3. -(defun-maybe last (x &optional n) - "Return the last link of the list X. Its car is the last element. -If X is nil, return nil. -If N is non-nil, return the Nth-to-last link of X. -If N is bigger than the length of X, return X." - (if n - (let ((m 0) (p x)) - (while (consp p) - (setq m (1+ m) p (cdr p))) - (if (<= n 0) p - (if (< n m) (nthcdr (- m n) x) x))) - (while (cdr x) - (setq x (cdr x))) - x)) +(defmacro-maybe combine-after-change-calls (&rest body)) ;; imported from Emacs 20.3. (cl function) (defun-maybe butlast (x &optional n)