From: Michael Albinus <michael.albinus@gmx.de>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: master d0c77a1: Remove some assumptions about timestamp format
Date: Fri, 28 Sep 2018 16:54:17 +0200 [thread overview]
Message-ID: <878t3lhduu.fsf@gmx.de> (raw)
In-Reply-To: <a7a93247-d6d3-d687-07f7-99d416379f98@cs.ucla.edu> (Paul Eggert's message of "Fri, 28 Sep 2018 07:45:27 -0700")
Paul Eggert <eggert@cs.ucla.edu> writes:
Hi Paul,
>> What is the problem with having a special invalid time value?
>
> It depends on how special it's supposed to be, and the properties that
> Michael needs aren't clear to me yet. Evidently NaNs won't do, but
> it's not clear to me yet what will do. I'll follow up shortly.
I have no special needs for the value of that constant. It should just
be a valid time value in the scope of Emacs 27, and all timer functions
should accept it and return plausible values. A NaN would be OK, if
accepted everywhere.
For older Emacsen, I will use my own compat version of that constant
anyway. Either '(0 0) as it is the case for the last 15 years, or '(0 -1).
Best regards, Michael.
next prev parent reply other threads:[~2018-09-28 14:54 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180925021527.10418.61555@vcs0.savannah.gnu.org>
[not found] ` <20180925021528.9A119204E8@vcs0.savannah.gnu.org>
2018-09-25 10:09 ` master d0c77a1: Remove some assumptions about timestamp format Michael Albinus
2018-09-26 1:09 ` Paul Eggert
2018-09-26 9:24 ` Michael Albinus
2018-09-26 9:39 ` Eli Zaretskii
2018-09-26 9:43 ` Michael Albinus
2018-09-27 20:46 ` Paul Eggert
2018-09-28 6:32 ` Eli Zaretskii
2018-09-28 10:26 ` Michael Albinus
2018-09-28 17:27 ` Paul Eggert
2018-09-29 13:35 ` Michael Albinus
2018-09-28 14:45 ` Paul Eggert
2018-09-28 14:54 ` Michael Albinus [this message]
2018-09-28 1:50 ` Paul Eggert
2018-09-28 10:35 ` Michael Albinus
2018-09-28 17:39 ` Paul Eggert
2018-09-28 18:06 ` Naming predicates (was: master d0c77a1: Remove some assumptions about timestamp format) Stefan Monnier
2018-09-28 18:28 ` Drew Adams
2018-09-28 19:12 ` Paul Eggert
2018-09-28 19:26 ` Naming predicates Stefan Monnier
2018-09-28 19:40 ` Drew Adams
2018-09-28 19:41 ` Naming predicates (was: master d0c77a1: Remove some assumptions about timestamp format) Drew Adams
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