P3547 R1 Modeling Access Control With Reflection

[wg21bot]

P3547R0 Modeling Access Control With Reflection (Dan Katz, Ville Voutilainen)

[hanickadot]

SG7 discussed P3547R0 andP3587 on telecon and took following polls:

P3547R0: SG7 wants reflection methods (members_of, ...) in C++26 to have access_context parameter to communicate explicit access level as described in P3547R0.

SF	F	N	A	SA
11	3	1	0	0

Result: consensus

P3547R0: SG7 wants reflection to provide user-accessible access_context::unchecked() in C++26.

SF	F	N	A	SA
4	3	3	1	3

Result: not consensus

[hanickadot]

Both papers will be seen in EWG in Hagenberg.

[inbal2l]

P3547R1 Modeling Access Control With Reflection (Dan Katz, Ville Voutilainen)

[hanickadot]

Discussed in EWG in Hagenberg:

POLLS:

P3547R0: EWG wants reflection methods (members_of, ...) in C++26 to have access_context parameter to communicate explicit access level as described in P3547R0.

SF	F	N	A	SA
31	30	5	2	0

Consensus in favor.

P3547R0: EWG does not want reflection to provide user-accessible access_context::unchecked() in C++26.

SF	F	N	A	SA
3	8	6	12	39

Consensus against.

Next stop: LEWG

[FabioFracassi]

2025-02-12 Library Evolution Hagenberg Meeting

P3547R1: Modeling Access Control With Reflection

2025-02-12 Library Evolution Hagenberg Minutes

Champion: Dan Katz
Chair: Inbal Levi / Fabio Fracassi
Minute Taker:

Summary

POLL: Forward P3547R1 to LWG for C++26

SF	F	N	A	SA
8	11	1	0	0

Attendance: 27 (IP) + 5 (R)
Author's Position: 2xSF
Outcome: Strong consensus in favour.

Next Steps

Forward P3547R1 to LWG for C++26.

[jensmaurer]

Folded into D2996R10; leaving open for LWG review convenience.