From: Nicolas Petton <nicolas@petton.fr>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: Nicolas Petton <nicolas@petton.fr>, emacs-devel <emacs-devel@gnu.org>
Subject: Re: Would seq-range and seq-mapcat be useful?
Date: Thu, 29 Jan 2015 23:06:50 +0100 [thread overview]
Message-ID: <874mr9w8at.fsf@petton.fr> (raw)
In-Reply-To: <jwvlhklcllm.fsf-monnier+emacs@gnu.org>
Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
> I have no idea what those names are supposed to evoke. Can you tell us
> what they'd do?
Sure, `seq-range' would be a convenient way to create a sequence of
numbers. A simple implementation could be:
(defun seq-range (start end)
(let ((lst nil))
(while (< start end)
(push end lst)
(setq end (1- end)))
lst))
`seq-mapcat' would apply `seq-concatenate' to the result of `seq-map':
(defun seq-mapcat (function seq &optional type)
(apply #'seq-concatenate (or type 'list)
(seq-map function seq)))
Cheers,
Nico
--
Nicolas Petton
http://nicolas-petton.fr
next prev parent reply other threads:[~2015-01-29 22:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-29 16:54 Would seq-range and seq-mapcat be useful? Nicolas Petton
2015-01-29 18:02 ` Artur Malabarba
2015-01-29 22:03 ` Nicolas Petton
2015-01-29 21:40 ` Stefan Monnier
2015-01-29 22:06 ` Nicolas Petton [this message]
2015-01-30 6:09 ` Stefan Monnier
2015-01-30 8:00 ` Oleh Krehel
2015-01-30 10:21 ` Nicolas Petton
2015-01-30 15:38 ` Oleh Krehel
2015-01-30 15:59 ` Nicolas Richard
2015-01-30 16:04 ` Oleh Krehel
2015-01-30 16:05 ` Oleh Krehel
2015-01-30 16:36 ` Nicolas Richard
2015-01-30 16:51 ` Oleh Krehel
2015-01-30 16:23 ` Nicolas Petton
2015-02-02 0:11 ` Nicolas Petton
2015-02-02 7:49 ` Oleh Krehel
2015-02-02 9:28 ` Nicolas Petton
2015-02-02 18:34 ` Mark Oteiza
2015-02-02 18:39 ` Oleh Krehel
2015-02-04 12:02 ` Ted Zlatanov
2015-01-30 8:20 ` What about seq-slice? (Was: Would seq-range and seq-mapcat be useful?) Mark Oteiza
2015-01-30 10:25 ` Nicolas Petton
2015-01-30 11:09 ` seq-thread-first/last (was: What about seq-slice?) Michael Heerdegen
2015-01-30 11:59 ` Nicolas Petton
2015-01-30 12:08 ` seq-thread-first/last Michael Heerdegen
2015-01-30 12:21 ` seq-thread-first/last Nicolas Petton
2015-01-30 12:17 ` seq-thread-first/last David Kastrup
2015-01-30 12:25 ` seq-thread-first/last Nicolas Petton
2015-01-30 12:33 ` seq-thread-first/last Michael Heerdegen
2015-01-30 12:58 ` seq-thread-first/last Bozhidar Batsov
2015-01-30 14:02 ` seq-thread-first/last Artur Malabarba
2015-01-30 14:15 ` seq-thread-first/last Michael Heerdegen
2015-01-30 17:17 ` What about seq-slice? Mark Oteiza
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