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(seq-subseq) exists in 24.5, but not in 26.3?
From: |
Douglas Lewan |
Subject: |
(seq-subseq) exists in 24.5, but not in 26.3? |
Date: |
Sun, 21 Mar 2021 23:05:33 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
I've started looking at LEAN, and, of course, I want lean-mode. I've
managed to overcome many hurdles, typically dependencies of one sort or
another. (If you're running Linux, you've been there too.)
However, somehow it's having a hard time finding (seq-subseq), which
certainly looks like it should be defined. FYI (seq-subseq) is wanted by
flycheck, although I suppose there could be other things that want it.
The error that gets signaled is this: Debugger entered--Lisp error:
(void-function seq-subseq).
I'm running Debian, emacs version 26.3, it has feature seq, and
correspondingly feature seq-25, which looks like it defines (seq-subseq).
Babbling background that you can ignore if you want follows
When I run emacs 24.5, (seq-subseq) is defined; all other factors are
equal (except that now I don't have either seq-25 or seq-24).
Indeed, the definition in emacs 24.5 is the following from seq-24.el:
(defun seq-subseq (sequence start &optional end) ... ),
a normal function definition, with a normal, fleshed out body.
In 26.3, it looks like the definition is the following from seq-25.el is
(or tries to be):
(cl-defgeneric seq-subseq (sequence start &optional end) ... ),
where the definition drops down to (cl-subseq).
If I've understood the documentation of (cl-defgeneric) it should, on
first invocation of (seq-subseq), grab the right defining file
(seq-25.elc vs. seq-24.elc). I find it hard to believe that
(cl-defgeneric) is buggy, because, if it were, then there would be an
intolerable plethora of such problems,
So, I assume that I've managed to do something wrong. Any thoughts?
Thanks.
--
,Doug
d.lewan2000@gmail.com
(908) 720 7908
Anti-intellectualism has been a constant thread winding its way through our
political and cultural life,
nurtured by the false notion that democracy means that 'my ignorance is just as
good as your knowledge.
- Isaac Asimov
- (seq-subseq) exists in 24.5, but not in 26.3?,
Douglas Lewan <=