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Re: If records are not sequences, why does aref work on records?


From: Stefan Monnier
Subject: Re: If records are not sequences, why does aref work on records?
Date: Tue, 11 Apr 2017 08:27:54 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

> On the other hand, it is wasteful to create myriad 'copy-FOO'
> functions that all do the same thing.  We may as well have
> one function 'copy-struct' function that copies all kinds of sequences.

The only reason cl-defstruct defines `copy-FOO` is because Common-Lisp's
defstruct does.  I can't remember ever seeing Elisp code make use of those
"copiers".


        Stefan




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