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Re: Agenda for the 2023-04-26 SG16 telecon​

From: Tom Honermann <tom_at_[hidden]>
Date: Wed, 26 Apr 2023 15:31:45 -0400
This meeting is happening now.


On 4/25/23 3:02 PM, Tom Honermann via SG16 wrote:
> This is your friendly reminder that this meeting is taking place tomorrow.
> I don't expect Barry to be joining us tomorrow, so we likely won't be
> discussing P2758R0.
> Tom.
> On 4/20/23 10:36 PM, Tom Honermann via SG16 wrote:
>> SG16 will hold a telecon on Wednesday, April 26th, at 19:30 UTC
>> (timezone conversion
>> <https://www.timeanddate.com/worldclock/converter.html?iso=20230426T193000&p1=1440&p2=tz_pt&p3=tz_mt&p4=tz_ct&p5=tz_et&p6=tz_cest>).
>> The agenda follows.
>> * L2/23-107
>> <https://www.unicode.org/L2/L2023/23107-terminal-suppt.pdf>:
>> Proper Complex Script Support in Text Terminals
>> o Determine interest for participation in a potential new UTC
>> project.
>> * P2779R0 <https://wg21.link/p2779r0>: Make basic_string_view’s
>> range construction conditionally explicit
>> o Determine whether to commit SG16 time to discussing this paper.
>> * P2741R1 <https://wg21.link/p2741r1>: user-generated static_assert
>> messages
>> * P2758R0 <https://wg21.link/p2758r0>: Emitting messages at compile
>> time
>> L2/23-107 <https://www.unicode.org/L2/L2023/23107-terminal-suppt.pdf>
>> proposes the creation of a new project within the Unicode Consortium
>> to develop specifications for support of complex scripts in
>> console/terminal command line and text-based user interfaces. Such a
>> specification could eventually provide a standard that could be used
>> by std::format and std::print to produce better results than we know
>> how to do today, even after the significant improvements achieved via
>> P2675 (LWG3780: The Paper (format's width estimation is too
>> approximate and not forward compatible)) <https://wg21.link/p2675>.
>> We won't spend time reviewing the paper in this telecon, so please
>> read it at your own leisure. Robin has indicated that additional
>> participants for such a project would be appreciated, so we'll take a
>> small amount of time to discuss if anyone would be interested in
>> participating. The UTC is meeting next week, so Robin won't be able
>> to join us, but I'm sure he would be happy to provide additional
>> details for anyone interested.
>> P2779R0 <https://wg21.link/p2779r0> is a recently submitted paper
>> that includes SG16 in its audience. It isn't clear to me that the
>> paper requires SG16 review; I think the concerns fall more within
>> LEWG's purview. However, a regular SG16 attendee argued for SG16 to
>> review it. We won't review the paper in this meeting, but will
>> instead have a brief discussion of whether we collectively feel SG16
>> should spend meeting time reviewing this paper prior to any request
>> from a LEWG chair. Another option would be to conduct a mailing list
>> review. Briefly, the paper proposes a heuristic for determining
>> whether a type qualifies as a string_view-like type for which
>> implicit conversions to std::string_view should be enabled. Please
>> feel free to share your opinions ahead of time in a reply to this
>> message.
>> P2741R1 <https://wg21.link/p2741r1> and P2758R0
>> <https://wg21.link/p2758r0> are closely related papers. Both seek to
>> improve the ability of programmers to influence compile-time
>> diagnostics. Both papers propose improvements to static_assert to
>> enable a message to be produced during constant evaluation. The
>> latter paper proposes additional facilities to issue messages and
>> errors at compile-time. We'll review both papers, their relative
>> advantages and, depending on discussion, poll forwarding one or both
>> papers.
>> Tom.

Received on 2023-04-26 19:31:46