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Re:Modern, functional Common Lisp: myths and best practices by mikelevins on Tuesday February 25, 2020 @08:51AM (#22413150)
I recommend Fset, which other commetners have mentioned.

I wrote a wrapper for it and SERIES, called folio, followed by a revised version called folio2. If your requirements resemble mine when I wrote it, you might findit useful.

You can find it here:

  https://github.com/mikelevins/folio2/
Re:Modern, functional Common Lisp: myths and best practices by Ambrevar on Tuesday February 25, 2020 @09:27AM (#22413455)
Thanks for sharing!