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emacs
emacs
Commits
992bd384
Commit
992bd384
authored
Jan 21, 2000
by
Richard M. Stallman
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(dolist, dotimes): Moved to subr.el.
parent
a0b0756a
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lisp/emacs-lisp/cl-macs.el
lisp/emacs-lisp/cl-macs.el
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lisp/emacs-lisp/cl-macs.el
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992bd384
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@@ -1122,32 +1122,6 @@ Format is: (do* ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)"
(apply 'append sets)))))))
(or (cdr endtest) '(nil)))))
(defmacro dolist (spec &rest body)
"(dolist (VAR LIST [RESULT]) BODY...): loop over a list.
Evaluate BODY with VAR bound to each `car' from LIST, in turn.
Then evaluate RESULT to get return value, default nil."
(let ((temp (gensym "--dolist-temp--")))
(list 'block nil
(list* 'let (list (list temp (nth 1 spec)) (car spec))
(list* 'while temp (list 'setq (car spec) (list 'car temp))
(append body (list (list 'setq temp
(list 'cdr temp)))))
(if (cdr (cdr spec))
(cons (list 'setq (car spec) nil) (cdr (cdr spec)))
'(nil))))))
(defmacro dotimes (spec &rest body)
"(dotimes (VAR COUNT [RESULT]) BODY...): loop a certain number of times.
Evaluate BODY with VAR bound to successive integers from 0, inclusive,
to COUNT, exclusive. Then evaluate RESULT to get return value, default
nil."
(let ((temp (gensym "--dotimes-temp--")))
(list 'block nil
(list* 'let (list (list temp (nth 1 spec)) (list (car spec) 0))
(list* 'while (list '< (car spec) temp)
(append body (list (list 'incf (car spec)))))
(or (cdr (cdr spec)) '(nil))))))
(defmacro do-symbols (spec &rest body)
"(dosymbols (VAR [OBARRAY [RESULT]]) BODY...): loop over all symbols.
Evaluate BODY with VAR bound to each interned symbol, or to each symbol
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