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From: Drew Adams <drew.adams@oracle.com>
To: Lars Brinkhoff <lars@nocrew.org>, emacs-devel@gnu.org
Subject: RE: If records are not sequences, why does aref work on records?
Date: Fri, 7 Apr 2017 10:41:45 -0700 (PDT)	[thread overview]
Message-ID: <4f2a1d4c-8703-4f07-a721-ea28c348631d@default> (raw)
In-Reply-To: <86h9202knq.fsf@molnjunk.nocrew.org>

(Caveat: I have not been following this thread.)

If the intention is to add a new kind of sequence, for
example to add a record type and have it be considered
a type of sequence, then I think it should support all
sequence features, just like other sequences.

If it does not support everything intended by "sequence"
then I think we should not present it as a sequence.  In
particular, it should not be documented as a sequence in
that case.

As to what a sequence is, one guide is to refer to Common
Lisp, which carefully defines sequences and sequence
operations.



  reply	other threads:[~2017-04-07 17:41 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-05 15:31 Recent change in master breaks async package update using paradox Kaushal Modi
2017-04-05 16:05 ` Eli Zaretskii
2017-04-05 21:59 ` Tom Tromey
2017-04-05 22:48   ` Kaushal Modi
2017-04-06  5:00     ` Lars Brinkhoff
2017-04-06 10:46       ` Kaushal Modi
2017-04-06 11:00         ` Lars Brinkhoff
2017-04-06 11:28           ` Kaushal Modi
2017-04-06 12:12             ` Lars Brinkhoff
2017-04-06 12:22               ` Noam Postavsky
2017-04-06 12:36                 ` Lars Brinkhoff
2017-04-06 11:19 ` Lars Brinkhoff
2017-04-07  5:42 ` Lars Brinkhoff
2017-04-07  7:25   ` Eli Zaretskii
2017-04-07  7:40     ` Lars Brinkhoff
2017-04-07  9:51       ` Eli Zaretskii
2017-04-07 13:28         ` Debugging problems using async.el Lars Brinkhoff
2017-04-07 14:11           ` Kaushal Modi
2017-04-07 14:39             ` Eli Zaretskii
2017-04-07 18:10             ` Lars Brinkhoff
2017-04-07 11:59       ` Recent change in master breaks async package update using paradox Stefan Monnier
2017-04-07 13:07         ` What is a "sequence"? Lars Brinkhoff
2017-04-07 13:26           ` Stefan Monnier
2017-04-07 16:56       ` If records are not sequences, why does aref work on records? Paul Eggert
2017-04-07 17:27         ` Lars Brinkhoff
2017-04-07 17:41           ` Drew Adams [this message]
2017-04-07 18:23             ` Lars Brinkhoff
2017-04-07 18:30               ` Drew Adams
2017-04-07 19:07                 ` Noam Postavsky
2017-04-07 19:13                   ` Stefan Monnier
2017-04-07 20:49                     ` Drew Adams
2017-04-07 21:00                       ` Clément Pit-Claudel
2017-04-07 21:02                       ` Noam Postavsky
2017-04-08  1:58                         ` Paul Eggert
2017-04-08  5:03                           ` Lars Brinkhoff
2017-04-08  5:25                             ` Lars Brinkhoff
2017-04-08  5:34                           ` Noam Postavsky
2017-04-08  7:42                             ` Paul Eggert
2017-04-08  7:50                               ` Eli Zaretskii
2017-04-08 13:33                               ` Noam Postavsky
2017-04-08 11:34                         ` Philipp Stephani
2017-04-08 12:24                           ` Clément Pit-Claudel
2017-04-08 15:24                             ` Lars Brinkhoff
2017-04-08 17:17                               ` Clément Pit-Claudel
2017-04-08 17:46                                 ` Lars Brinkhoff
2017-04-09 19:15                             ` Richard Stallman
2017-04-11 12:27                               ` Stefan Monnier
2017-04-07 19:25                   ` Clément Pit-Claudel
2017-04-07 19:41                     ` Noam Postavsky
2017-04-07 20:12                       ` Clément Pit-Claudel
2017-04-07 19:43                     ` Stefan Monnier
2017-04-07 17:59         ` Clément Pit-Claudel
2017-04-07 18:28 ` Recent change in master breaks async package update using paradox Lars Brinkhoff
2017-04-08  6:50   ` Lars Brinkhoff
2017-04-08 12:25     ` Clément Pit-Claudel
2017-04-08 13:35     ` Kaushal Modi
2017-04-08 18:21       ` Lars Brinkhoff

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