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Re: Making 'eq' == 'eql' in bignum branch


From: Richard Stallman
Subject: Re: Making 'eq' == 'eql' in bignum branch
Date: Mon, 20 Aug 2018 23:38:44 -0400

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  > I'm pretty sure that I've written code that's essentially along the
  > lines of

  > (when list-of-numbers
  >   (let ((i most-positive-fixnum))
  >     (dolist (a list-of-numbers)
  >       (setq i (min i a)))
  >     i))

  > to get the smallest number in a set.

This seems to be a real problem.

I wonder -- do most of these instances involve binding
a variable to most-positive-fixnum?  If so, that could be a
way to warn about cases that are likely to be wrong, while
skipping other cases.

How many problem cases is this likely to miss?

-- 
Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)





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