From: James Goodzeit
Subject: Re: newbie Q: insertion into sorted list
Date: 
Message-ID: <OWpR5D$qAHA.273@cpmsnbbsa07>
> Is there any Lisp primitives or nifty functions for inserting a key to the
> right place in a sorted list---using something like (sort (cons x l))
seems
> it will be extravagantly wasteful. also what would how would i do
something
> like
>
> (position-if 4 '(1 3 5 7) :test #'<) ; bogus
> ==>2
>

Nevermind :)

(merge (list x) l)