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Re: reverse in Emacs 24.4
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From: |
Stefan Monnier |
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Subject: |
Re: reverse in Emacs 24.4 |
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Date: |
Tue, 10 Feb 2015 15:53:00 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
> I want to add a backward-compatible version `seq-reverse' for older
> versions of Emacs, but I'm not sure how I should check the version of
> Emacs. Parsing the string `emacs-version' seems like a bad idea.
The way I usually "parse" versions looks like:
(defalias 'seq-reverse
(if (ignore-errors (reverse [1 2]))
#'reverse
(lambda ...)))
-- Stefan