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From: Richard Stallman <rms@gnu.org>
To: Fabrice Popineau <fabrice.popineau@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: member inconsistency?
Date: Mon, 01 Feb 2016 06:04:06 -0500	[thread overview]
Message-ID: <E1aQCH8-0001u3-5F@fencepost.gnu.org> (raw)
In-Reply-To: <loom.20160201T081004-562@post.gmane.org> (message from Fabrice Popineau on Mon, 1 Feb 2016 07:10:34 +0000 (UTC))

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

  > It makes it harder to catch the bug if you
  > inadvertently call member with its second
  > argument not being a sequence ?

There are two ways to look at this:

* Lists should end in nil, and if they don't, functions should complain.

* It is useful generality if functions accept lists that end
in some other atom.

I don't see that the first is obviously preferable.

-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.




  reply	other threads:[~2016-02-01 11:04 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-28  8:42 member inconsistency? Nicolas Goaziou
2016-01-28  9:41 ` Philipp Stephani
2016-01-28 10:14   ` Andreas Schwab
2016-01-28 10:25     ` Stephen Berman
2016-01-28 15:48       ` Eli Zaretskii
2016-01-28 17:30         ` Stephen Berman
2016-01-28 18:35           ` Eli Zaretskii
2016-01-28 21:57             ` Stephen Berman
2016-01-28 22:18           ` Andreas Schwab
2016-01-28 22:41             ` Stephen Berman
2016-01-28 23:38       ` Johan Bockgård
2016-01-28 23:57         ` Stephen Berman
2016-01-29 10:25           ` Andreas Schwab
2016-01-29 11:20             ` Stephen Berman
2016-01-29 14:15             ` Eli Zaretskii
2016-01-29 19:17               ` John Wiegley
2016-01-29 23:58         ` Richard Stallman
2016-02-01  7:10           ` Fabrice Popineau
2016-02-01 11:04             ` Richard Stallman [this message]
2016-02-01 12:20               ` Fabrice Popineau

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