Re: master: Defensively code in type-width-in-bits

Stas Boukarev <[email protected]> Sun, 19 Apr 2026 19:12:33 +0300
Newsgroups gmane.lisp.steel-bank.cvs,gmane.lisp.steel-bank.devel
Message-ID <CAF63=11dpptY-OEqzgc=NtixsFTkDNpt-BZiY-4DJ7gSDZskgw@mail.gmail.com>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=