this is happening now

On Wed, Sep 11, 2024 at 12:27 AM Tom Honermann via SG16 <sg16@lists.isocpp.org> wrote:

This is your friendly reminder that this meeting is taking place tomorrow.

Tom.

On 9/9/24 12:56 PM, Tom Honermann via SG16 wrote:

SG16 will hold a meeting on Wednesday, September 11th, at 19:30 UTC (timezone conversion).

The agenda follows.

P2319R0 is a new paper courtesy of Victor that seeks to resolve some ambiguous encoding issues with std::filesystem::path. It proposes to deprecate and replace the existing string() member function with new display_string() and system_string() member functions with clear encoding specifications. Similar replacements are proposed for the existing generic_string() member function. Note that these ambiguous encoding issues are not present for the u8, u16, and u32 prefixed variants of these functions; we can discuss whether similar concerns are present for wstring() and generic_wstring(). We'll review the paper and potentially poll forwarding it.

P2019R6 has been around for a while but has not previously been reviewed by SG16. The only concern for SG16 to weigh in on is the handling of thread names. See the "Threads have a name" and "Constraints" sections for background information and the proposed wording for the thread::name_hint class. As proposed, thread names may be specified via std::basic_string_view<char> or std::basic_string_view<char8_t>; fully portable code will therefore be constrained to characters from the basic literal character set. No requirements for handling of transcoding issues or ill-formed encoded names are specified.

P3364R0 has not been previously reviewed by SG16, but it split from P2863R0 (Review Annex D for C++26) which we did review during the 2023-05-24 SG16 meeting. LWG 3840 was previously filed to undeprecate std::filesystem::u8path(). SG16 did not review the LWG issue; LEWG found no consensus for it during the 2023-01-10 LEWG meeting. A poll in SG16 for P2139R2 (Reviewing Deprecated Facilities of C++20 for C++23) during the 2020-07-22 SG16 meeting had consensus for removal of std::filesystem::u8path; see the discussion of D.23 (Deprecated filesystem path factory functions [depr.fs.path.factory]). The poll taken then is copied below.

  • Poll: Does SG16 object to removal of the deprecated filesystem path factory functions in D.23 [depr.fs.path.factory]?

    • Attendees: 9

      Yes No
      0 9

    • Consensus is no objection.

Since this poll was taken four years ago, it makes sense to re-poll it for the new paper. We'll discuss any new information anyone has to offer and likely poll effectively the same question.

Tom.


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