From: Michael Heerdegen <michael_heerdegen@web.de>
To: Nicolas Petton <nicolas@petton.fr>
Cc: emacs-devel@gnu.org
Subject: Re: [PATCH] Gnu Elpa: stream.el: Add some more basic stream operations
Date: Thu, 09 Jun 2016 17:06:39 +0200 [thread overview]
Message-ID: <87mvmuxuyo.fsf@web.de> (raw)
In-Reply-To: <87ziqu7ew9.fsf@petton.fr> (Nicolas Petton's message of "Thu, 09 Jun 2016 13:58:14 +0200")
Nicolas Petton <nicolas@petton.fr> writes:
> > `stream-scan' is useful and not redundant.
> Yes, I get it now. However I'm still a bit confused by its name.
The name is borrowed from Haskell. Other suggestions welcome.
> > `stream-reduce' was indeed redundant, as the generic `seq-reduce'
> > already works for streams, so I removed it.
>
> Your implementation in your previous patch was however lazy, right?
> Would it make sense to add a specific implementation of `seq-reduce'
> for streams that'd be lazy?
I don't understand what that means: how can "reduce" be lazy at all? It
needs to generate all stream elements to compute the requested value,
and that at call time.
Regards,
Michael.
next prev parent reply other threads:[~2016-06-09 15:06 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 15:42 [PATCH] Gnu Elpa: stream.el: Add some more basic stream operations Michael Heerdegen
2016-06-02 15:50 ` Michael Heerdegen
2016-06-02 19:33 ` Nicolas Petton
2016-06-02 19:44 ` Michael Heerdegen
2016-06-08 19:52 ` Michael Heerdegen
2016-06-09 11:58 ` Nicolas Petton
2016-06-09 15:06 ` Michael Heerdegen [this message]
2016-06-09 15:46 ` Nicolas Petton
2016-06-09 16:01 ` Davis Herring
2016-06-09 16:24 ` Michael Heerdegen
2016-06-09 17:11 ` Yuri Khan
2016-06-09 19:41 ` Michael Heerdegen
2016-06-09 21:06 ` Yuri Khan
2016-06-10 15:57 ` Michael Heerdegen
2016-06-10 16:13 ` Yuri Khan
2016-06-10 19:37 ` Michael Heerdegen
2016-09-16 23:52 ` Michael Heerdegen
2016-09-17 6:22 ` Yuri Khan
2016-09-25 15:38 ` Michael Heerdegen
2016-09-25 18:41 ` Yuri Khan
2016-09-28 1:07 ` Michael Heerdegen
2016-09-28 4:13 ` Yuri Khan
2016-09-28 8:50 ` Nicolas Petton
2016-09-28 18:27 ` Michael Heerdegen
2016-09-28 19:19 ` Yuri Khan
2017-03-02 2:36 ` Michael Heerdegen
2017-03-02 5:00 ` Michael Heerdegen
2017-03-02 12:58 ` Nicolas Petton
2017-03-02 12:55 ` Nicolas Petton
2017-03-02 22:38 ` Michael Heerdegen
2017-03-15 14:42 ` Michael Heerdegen
2017-03-21 11:37 ` Nicolas Petton
2017-03-22 17:09 ` Michael Heerdegen
2017-04-21 2:34 ` Michael Heerdegen
2017-04-22 20:34 ` Nicolas Petton
2017-04-23 5:08 ` Michael Heerdegen
2017-03-20 11:29 ` Nicolas Petton
2016-09-25 20:49 ` John Wiegley
2016-06-12 8:34 ` Markus Triska
2016-06-12 14:07 ` Michael Heerdegen
2016-06-12 14:31 ` Nicolas Petton
2016-06-12 22:28 ` Markus Triska
2016-06-11 1:34 ` Michael Heerdegen
2016-07-06 23:20 ` Michael Heerdegen
2016-08-01 21:13 ` Michael Heerdegen
2016-08-01 22:05 ` Nicolas Petton
2016-08-02 0:39 ` Michael Heerdegen
2016-06-09 15:48 ` Nicolas Petton
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