P2637 R3 Member visit

[wg21bot]

P2637R0 Member visit and apply (Barry Revzin)

[wg21bot]

P2637R1 Member visit (Barry Revzin)

[brycelelbach]

2022-10-04 Library Evolution Telecon

P2637R0: Member visit and apply

2022-10-04 Library Evolution Telecon Minutes

Chair: Nevin Liber

Champion: Tim Song

Minute Taker: Inbal Levi

POLL: Remove std::apply from P2637.

SF	F	N	A	SA
2	6	6	1	0

Attendance: 18

# of Authors: 0

Author Position:

Outcome: Weak consensus in favor

WA: Trust the experience of the author for the usability

POLL: Should we hold up this paper until we have investigated a variadic visit?

SF	F	N	A	SA
0	1	2	4	4

Attendance: 17

# of Authors: 0

Author Position:

Outcome: Consensus against

POLL: Should the next version of this paper remove the constraint (from 1.4) which rejects those cases where a type might inherit privately from variant.

SF	F	N	A	SA
3	3	4	1	0

Attendance: 16

# of Authors: 0

Author Position:

Outcome: Consensus in favor

WA: Don't see the need to support this

POLL: We should promise more committee time to pursuing P2637 Member Visit, knowing that our time is scarce and this will leave less time for other work.

SF	F	N	A	SA
7	4	2	1	0

Attendance: 17

# of Authors: 0

Author Position:

Outcome: Consensus in favor

WA: I think we need language changes before we pursue these types of ergonomic things.

Summary

TODO: @nliber

Next Steps

TODO: @nliber

[inbal2l]

The outcome of the last poll doesn't seem to match the numbers.

Thank you for noticing. That was indeed an error and should be Consensus in favor. fixed.

[brevzin]

@brycelelbach FYI there's already an R1 of the paper, with the requested changes (no apply, handles private variant base).

[nliber]

2022-04-11 Library Evolution Telecon

P2637R1: Member visit and apply

2023-04-11 Library Evolution Telecon Minutes

Champion: Barry Revzin

Chair: Nevin Liber

Minute Taker: Ben Craig

POLL: Deprecate std::visit_format_arg as part of P2637.

Strongly Favor	Weakly Favor	Neutral	Weakly Against	Strongly Against
1	8	5	1	1

Attendance: 23

# of Authors: 1

Author Position: N

Outcome: Weak consensus in favor

SA: No discussion, only impact

POLL: Modify P2637R1 (Member visit) by deprecating std::format_visit_arg, and then send the revised paper to LWG for C++26 classified as B2, to be confirmed with a Library Evolution electronic poll.

Strongly Favor	Weakly Favor	Neutral	Weakly Against	Strongly Against
6	9	1	2	0

Attendance: 23

# of Authors: 1

Author Position: SF

Outcome: Consensus in favor

Next Steps

Modify P2637R1 (Member visit) by deprecating std::format_visit_arg, and then send the revised paper to LWG for C++26 classified as B2, to be confirmed with a Library Evolution electronic poll.

[brycelelbach]

P2637R2 will be in the 2023-05 mailing.

[JeffGarland]

LWG reviewed and approved for C++26 in Varna on Tue afternoon (notes to follow)

Poll: add [[http://wg21.link/p2637r3][p2637r3]] to C++26?

|F|A|N|
|9|0|1|

[brycelelbach]

2023-05 Library Evolution Electronic Poll Outcomes

Poll 7: Send [[P2637R2]] Member visit to Library Working Group for C++26.

Strongly Favor	Weakly Favor	Neutral	Weakly Against	Strongly Against
13	6	0	2	1

Outcome: Consensus in favor.

[wg21bot]

P2637R3 Member visit (Barry Revzin)

[jwakely]

Approved in Varna 2023 and applied to the draft (cplusplus/draft#6307)