P1112 R5 Language support for class layout control

[jensmaurer]

P1112R1 Language support for class layout control (Pal Balog)

[jfbastien]

Seen in SAN. Interested to fix, need another iteration.
The author asked that this paper not be presented in Kona. It will be in Cologne instead.

[jfbastien]

EWGI in Cologne:

Spend committee time on this versus other proposals, given that time is limited?
SF F N A SA
0 9 8 0 0
Investigate a more general approach through reflection, such as a consteval approach which allows passing a function which dictates the layout (then provide “smallest” and other consteval functions in the standard library).
SF F N A SA
2 11 4 0 0
Don’t pursue declorder, instead change the standard to address the issue by making it the default.
SF F N A SA
3 5 10 0 0
Remove best layout.
SF F N A SA
0 7 10 0 0

Send to SG7 reflection to explore a reflection-based approach, then come back to EWGI.

[hanickadot]

Will be scheduled at SG7 session in Belfast.

[wg21bot]

P1112R2 Language support for class layout control (Pal Balog)