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Re: reverse in Emacs 24.4
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From: |
Nicolas Petton |
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Subject: |
Re: reverse in Emacs 24.4 |
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Date: |
Wed, 11 Feb 2015 14:37:21 +0100 |
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User-agent: |
mu4e 0.9.9.6pre3; emacs 24.4.1 |
Stefan Monnier <address@hidden> writes:
>> 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 ...)))
I see. So you'd rather test the feature instead of check the version of
Emacs?
Nico
--
Nicolas Petton
http://nicolas-petton.fr