((listp seq)
(let (len
(errtext (format "Bad bounding indices: %s, %s" start end)))
- (and end (< end 0) (setq end (+ end (setq len (seq-length seq)))))
- (if (< start 0) (setq start (+ start (or len (setq len (seq-length seq))))))
+ (and end (< end 0) (setq end (+ end (setq len (length seq)))))
+ (if (< start 0) (setq start (+ start (or len (setq len (length seq))))))
(unless (>= start 0)
(error "%s" errtext))
(when (> start 0)
(push (pop seq) res))
(or (= (1+ end) start) (error "%s" errtext))
(nreverse res))
- (seq-copy seq))))
+ (copy-sequence seq))))
(t (error "Unsupported sequence: %s" seq))))
;;;###autoload
-(defalias 'cl-concatenate #'seq-concatenate
+(defun cl-concatenate (type &rest sequences)
"Concatenate, into a sequence of type TYPE, the argument SEQUENCEs.
-\n(fn TYPE SEQUENCE...)")
-
+\n(fn TYPE SEQUENCE...)"
+ (pcase type
+ (`vector (apply #'vconcat sequences))
+ (`string (apply #'concat sequences))
+ (`list (apply #'append (append sequences '(nil))))
+ (_ (error "Not a sequence type name: %S" type))))
;;; List functions.
TYPE must be one of following symbols: vector, string or list.
\n(fn TYPE SEQUENCE...)"
- (pcase type
- (`vector (apply #'vconcat seqs))
- (`string (apply #'concat seqs))
- (`list (apply #'append (append seqs '(nil))))
- (_ (error "Not a sequence type name: %S" type))))
+ (apply #'cl-concatenate type seqs))
(cl-defgeneric seq-into (seq type)
"Convert the sequence SEQ into a sequence of type TYPE.