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bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th e
From: |
Juanma Barranquero |
Subject: |
bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element |
Date: |
Fri, 20 Aug 2010 04:23:52 +0200 |
On Fri, Aug 20, 2010 at 04:01, MON KEY <monkey@sandpframing.com> wrote:
> Emacs lisp doesn't and I can think of no good reasons to create 0
> length bool-vectors.
>
> Can any one else?
Of course. Eliminating special cases, for example.
(defun split-vec (v p)
(list (substring v 0 p)
(substring v p (length v))))
and you can do
(apply 'vconcat (split-vec V N))
for N in -length(V)..length(V) and get back V
Juanma
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, (continued)
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Stefan Monnier, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Stefan Monnier, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Andreas Schwab, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Chong Yidong, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Juanma Barranquero, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Chong Yidong, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/19
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element,
Juanma Barranquero <=
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/20
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Juanma Barranquero, 2010/08/20
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/20
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Stefan Monnier, 2010/08/20
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/20
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Kevin Rodgers, 2010/08/21
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Andreas Schwab, 2010/08/21
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, MON KEY, 2010/08/21
- bug#6878: bool-vectors of length 0 signal error when aref/aset the 0th element, Andreas Schwab, 2010/08/18