From: Michael Heerdegen <michael_heerdegen@web.de>
To: "Clément Pit--Claudel" <clement.pit@gmail.com>
Cc: John Mastro <john.b.mastro@gmail.com>, emacs-devel <emacs-devel@gnu.org>
Subject: Re: [PATCH] Elpa: Pinpoint semantics of `seq-subseq' for streams
Date: Fri, 16 Sep 2016 00:28:00 +0200 [thread overview]
Message-ID: <87fup0ajdb.fsf@web.de> (raw)
In-Reply-To: <b6a95523-21b1-0ed7-3993-fa05557e319a@gmail.com> ("Clément Pit--Claudel"'s message of "Thu, 15 Sep 2016 18:18:19 -0400")
Clément Pit--Claudel <clement.pit@gmail.com> writes:
> > Instead, a simple loop incrementing a position variable or something
> > like that might be more appropriate (efficient).
>
> Sure, but again: how is this related to lists vs strings? Lists need
> to be garbage collected just the same.
Yes, lists and streams (I guess you meant "streams"?) both potentially
leave behind an unnecessary bulk of garbage. When a stream is bad, a
list is worse.
> > Instead, a simple loop incrementing a position variable or something
> > like that might be more appropriate (efficient).
>
> I'm not sure what you mean :\ Are you saying that sometime streams are
> not the right solution for a given problem? I agree fully :)
Yes, more or less. And I want to get an idea of how often "sometimes"
is in the use cases where you want the negative indexes.
Michael.
next prev parent reply other threads:[~2016-09-15 22:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-13 16:23 [PATCH] Elpa: Pinpoint semantics of `seq-subseq' for streams Michael Heerdegen
2016-09-13 18:02 ` Clément Pit--Claudel
2016-09-13 21:17 ` Michael Heerdegen
2016-09-14 1:24 ` Clément Pit--Claudel
2016-09-14 15:05 ` Michael Heerdegen
2016-09-14 23:26 ` Clément Pit--Claudel
2016-09-15 0:51 ` John Mastro
2016-09-15 2:00 ` Clément Pit--Claudel
2016-09-15 17:01 ` John Mastro
2016-09-15 21:07 ` Michael Heerdegen
2016-09-15 22:18 ` Clément Pit--Claudel
2016-09-15 22:28 ` Michael Heerdegen [this message]
2016-09-15 22:52 ` Clément Pit--Claudel
2016-09-15 0:58 ` Michael Heerdegen
2016-09-15 3:47 ` Clément Pit--Claudel
2016-09-15 8:42 ` Nicolas Petton
2016-09-15 22:30 ` Michael Heerdegen
2016-09-15 23:08 ` Nicolas Petton
2016-09-15 21:29 ` Michael Heerdegen
2016-09-14 1:28 ` John Wiegley
2016-09-14 15:15 ` Michael Heerdegen
2016-09-13 22:20 ` Nicolas Petton
2016-09-13 22:40 ` Michael Heerdegen
2016-09-14 8:25 ` Nicolas Petton
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