* bug#36549: 27.0.50; decode-time doesn't support sub-second times
@ 2019-07-08 13:10 Lars Ingebrigtsen
2019-08-26 5:01 ` Lars Ingebrigtsen
0 siblings, 1 reply; 2+ messages in thread
From: Lars Ingebrigtsen @ 2019-07-08 13:10 UTC (permalink / raw)
To: 36549
(current-time)
=> (23843 16275 300006 490000)
(decode-time '(23843 16275 300006 490000))
=> (23 5 15 8 7 2019 1 t 7200)
(decode-time '(23843 16275 100006 490000))
=> (23 5 15 8 7 2019 1 t 7200)
So there's no way to represent the microseconds (or the picoseconds) in
the decoded time structure, which makes round-tripping inaccurate. (And
you can't build a parser for time formats with sub-second time based on
the decoded time structure, which is a pain.)
I guess the best way to fix this would be to add the micro- and
picoseconds as (optional) fields at the end of the decoded time list?
It's not very elegant, but it'd be backwards compatible. A different
approach would be to make the seconds field something else than an
integer, but that would introduce more potential problems, I think...
In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.11)
of 2019-07-07 built on stories
Repository revision: bda8a57141e6cb5455e1246c6ab394791fd6c582
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.11902000
System Description: Debian GNU/Linux 9 (stretch)
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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* bug#36549: 27.0.50; decode-time doesn't support sub-second times
2019-07-08 13:10 bug#36549: 27.0.50; decode-time doesn't support sub-second times Lars Ingebrigtsen
@ 2019-08-26 5:01 ` Lars Ingebrigtsen
0 siblings, 0 replies; 2+ messages in thread
From: Lars Ingebrigtsen @ 2019-08-26 5:01 UTC (permalink / raw)
To: 36549
This has now been implemented by Paul on the trunk and I'm closing the
bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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2019-07-08 13:10 bug#36549: 27.0.50; decode-time doesn't support sub-second times Lars Ingebrigtsen
2019-08-26 5:01 ` Lars Ingebrigtsen
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