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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 <address@hidden> 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).


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