bug#49316: Add apply-partially's right version

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> As for the rest, I'd like Lars to state his opinion about this new
> function.  AFAICT, he didn't say what he thinks here.

I'm not very enthusiastic -- is partial application used a lot now that
we've got lexical binding?  Partial application has always seemed like
One Weird Trick to me.

On the other hand -- some people are used to programming using these
idioms, so perhaps it makes sense to add a right version as well?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no