P2387 Pipe support for user-defined range adaptors

[wg21bot]

P2387R0 Pipe support for user-defined range adaptors (Barry Revzin)

[inbal2l]

Was seen by SG9 (Ranges) on 2021-08-09

Summary

POLL: We approve forwarding P2387R0: Pipe support for user-defined range adaptors to LEWG (with an addition of a feature test macro)

SF	F	N	A	SA
10	3	0	0	0

Outcome: Strong Consensus in Favor

SG9 forwarded the paper with few recommendations:

• Add a feature test macro.
• Add to the paper (consider - as a note to the standard as well) the user side usage of the proposed solution.
• Emphasis in the paper adding the proposed solution does not prevent adding multi-argument range adaptors later.

[wg21bot]

P2387R1 Pipe support for user-defined range adaptors (Barry Revzin)

[inbal2l]

2021-10-18 Library Evolution Telecon

P2387R1: Pipe support for user-defined range adaptors

2021-10-18 Library Evolution Telecon Minutes

Chair: Inbal Levi

Champion: Barry Revzin

Minute Taker: Ben Craig

Polls

POLL: Modify P2387R1 (Pipe support for user-defined range adaptors) by splitting the feature test macro and fix wording to reflect requirements on derived classes, and then send the revised paper to LWG for C++23 with priority level 2.

Outcome: No Objection To Unanimous Consent
Attendance: 22
# of Authors: 1

Outcome

LEWG moved P2387R1 to LWG (after voted on in electronic polls), with improvements:

• Split the feature test macro for "bind_back" from the ranges feature test macro.
• Add wording to reflect requirements on derived classes.