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RE: Add-to-list or setq append...

From: Drew Adams
Subject: RE: Add-to-list or setq append...
Date: Wed, 4 Aug 2010 08:41:20 -0700

> And also why not using some kind of union when merging two lists.
> There is a union defined in cl-seq, that for example would suffice the
> ugly double elements in the same list...

Why not take the bus to Milwaukee?  Why not collect stamps?

You use a set union function when you want a set union.  End of story.

You can use a list for anything.  Sometimes you want duplicate elements;
sometimes you do not; sometimes you don't care.  Sometimes you want the elements
to be sorted and remain sorted.  Sometimes you do not.  It all depends on your

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