P3105 R2 constexpr std::uncaught_exceptions()

[wg21bot]

P3105R0 constexpr std::uncaught_exceptions() (Jan Schultke)

[cor3ntin]

Note that there is a very much related paper in ewg #1754

[billy-baker]

P3105R1: constexpr std::uncaught_exceptions()

2024-03-18 Library Evolution Incubator Minutes

Champion: Jan Schultke

Chair: Billy Baker

Minute Taker: Luke Valenty

Start: 2024-03-18 16:30 UTC + 9

Does this paper have:

• Why this facility should go into the standard library?
• Examples? Yes
• Field experience?
  • Implementation experience?
  • Usage experience?
  • Deployment experience?
• Performance considerations?
• Discussion of prior art?
• Changes Library Evolution previously requested?
• Support for "std::format", "hash", and allocators (if required)? N/A
• Wording? Yes
• Feature test macro? Yes
• Freestanding? No

POLL: P3105R1 is well motivated and should be forwarded to LEWG.

SF	WF	N	WA	SA

Attendance: 9

# of Authors: 1

Author Position:

Outcome: Unanimous consent to forward P3105R1 to LEWG.

End: 16:40 UTC + 9

Summary

No issues were observed with the addition of constexpr to uncaught_exceptions() and current_exception() as well as making exception_ptr a literal type. The use of two feature test macros was questioned and input from SG10 will be requested.

Next Steps

The paper can progress to LEWG.

[wg21bot]

P3105R2 constexpr std::uncaught_exceptions() (Jan Schultke)