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From: Eli Zaretskii <eliz@gnu.org>
To: Leo Liu <sdl.web@gmail.com>
Cc: 45610@debbugs.gnu.org
Subject: bug#45610: 27.1; Symbol’s function definition is void: seq-concatenate
Date: Sat, 02 Jan 2021 16:25:51 +0200	[thread overview]
Message-ID: <83r1n3e7ps.fsf@gnu.org> (raw)
In-Reply-To: <m1o8i74dw4.fsf@gmail.com> (message from Leo Liu on Sat, 02 Jan 2021 22:22:35 +0800)

> From:  Leo Liu <sdl.web@gmail.com>
> Cc: 45610@debbugs.gnu.org
> Date: Sat, 02 Jan 2021 22:22:35 +0800
> 
> On 2021-01-02 14:47 +0200, Eli Zaretskii wrote:
> > What did that expand to in Emacs 26?
> 
> The body of cl-concatenate before Emacs 27:
> 
> (pcase type
>    (`vector (apply #'vconcat sequences))
>    (`string (apply #'concat sequences))
>    (`list (apply #'append (append sequences '(nil))))
>    (_ (error "Not a sequence type name: %S" type)))

Thanks.  Then does the patch below fix the problem in Emacs 27.1?

diff --git a/lisp/emacs-lisp/cl-extra.el b/lisp/emacs-lisp/cl-extra.el
index 9c9da4a..a6e6619 100644
--- a/lisp/emacs-lisp/cl-extra.el
+++ b/lisp/emacs-lisp/cl-extra.el
@@ -556,6 +556,7 @@ cl-subseq
 (defun cl-concatenate (type &rest sequences)
   "Concatenate, into a sequence of type TYPE, the argument SEQUENCEs.
 \n(fn TYPE SEQUENCE...)"
+  (require 'seq)
   (apply #'seq-concatenate type sequences))
 
 ;;; List functions.





  reply	other threads:[~2021-01-02 14:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-02 12:29 bug#45610: 27.1; Symbol’s function definition is void: seq-concatenate Leo Liu
2021-01-02 12:47 ` Eli Zaretskii
2021-01-02 14:22   ` Leo Liu
2021-01-02 14:25     ` Eli Zaretskii [this message]
2021-01-02 16:07       ` Leo Liu
2021-01-02 16:30         ` Eli Zaretskii
2021-01-02 16:35           ` Lars Ingebrigtsen
2021-01-03 15:46             ` Eli Zaretskii
2021-01-03 16:19               ` Leo Liu
2021-01-04  5:39               ` Leo Liu
2021-01-04 15:07                 ` Eli Zaretskii
2021-01-04 17:35                   ` Stefan Monnier
2021-01-09 12:13                     ` Eli Zaretskii
2021-01-02 16:45           ` Leo Liu

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