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From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: Should records be able to mimic primitive types?
Date: Sat, 08 Apr 2017 13:57:31 -0400
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> It's not trying hard, just a simple check for a known, small, and
> rarely-changing list of primitive symbols.

To me, that's working very hard:
- extra code.
- extra maintenance
- extra run-time checks.
- no benefit since this doesn't catch a common situation.


        Stefan