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Re: mutate list by appending a list (and similar for props)
From: |
Sam Halliday |
Subject: |
Re: mutate list by appending a list (and similar for props) |
Date: |
Thu, 18 Sep 2014 02:37:52 -0700 (PDT) |
User-agent: |
G2/1.0 |
On Monday, 8 September 2014 20:29:17 UTC+1, Barry Margolin wrote:
> Sam Halliday <sam.halliday@gmail.com> wrote:
> > I often find that I am repeating calls to add-to-list (mutates) / plist-put
> > (immutable) in my .emacs [1] configuration against the same variable. I'd
> > like to be able to pass a list of elements to be appended/prepended to the
> > variable to save on boilerplate.
>
> > It would be trivial to write a little function that repeats the operation
> > for
> > a list input, but I'd rather use something that is already in the emacs
> > distro (or at least in a very lightweight MELPA package).
>
> > Does such a thing exist?
>
>
>
> The append function does it:
>
> (setq list (append additional-list list))
Thanks! But that's not ideal because it involves repeating the list symbol
(which can often be quite long).