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[2025-06-lwg-24] P3557R3 High-Quality Sender Diagnostics with Constexpr Exceptions #8035

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[2025-06-lwg-24] P3557R3 High-Quality Sender Diagnostics with Constexpr Exceptions #8035

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@burblebee burblebee commented Jul 1, 2025 •
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  • [exec.util.cmplsig] Subclause (now without siblings) promoted to \rSec1 (replacing [exec.util]) and renamed to [exec.cmplsig] "Completion signatures".
  • [exec.snd.expos]p24 Added missing \expos comments.
  • FIXED: [exec.snd.expos]p39 Unable to find paragraph to replace. Referenced paragraph starts: "Let Sndr be a (possibly const-qualified) specialization basic-sender" Inserted changes as new text after [exec.snd.expos]p41 instead.
  • FIXED: [exec.write.env] Unable to apply changes - section does not exist. Referenced paragraph starts: "write_env is a sender adaptor that accepts a sender and a queryable object"

Also fixes LWG4203.

Fixes #7961.

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write_env is added here: #7973

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#7973
Thanks Jens!

So rebasing on motions-2025-06-lwg-5 will give me [exec.write.env] from P3284R4 (so I can apply changes to [exec.write.env]), but change to [exec.snd.expos]p39 is still a problem, because the wording it changes assumes P3164R4 was applied.

@burblebee burblebee force-pushed the motions-2025-06-lwg-24 branch 2 times, most recently from 8fc26dd to a91ff84 Compare July 1, 2025 22:34
@burblebee burblebee marked this pull request as ready for review July 1, 2025 22:35
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So rebasing on motions-2025-06-lwg-5 will give me [exec.write.env] from P3284R4 (so I can apply changes to [exec.write.env]), but change to [exec.snd.expos]p39 is still a problem, because the wording it changes assumes P3164R4 was applied.

  • Now rebased on motions-2025-06-lwg-5
  • Replaced [exec.snd.expos]p39 based on changes in P3164R4

Edits should all be in now.

@burblebee burblebee marked this pull request as draft July 2, 2025 02:15
@burblebee
P3557R3 High-Quality Sender Diagnostics with Constexpr Exceptions
961293f 
* [exec.util.cmplsig] Subclause (now without siblings) promoted to \rSec1
  (replacing [exec.util]) and renamed to [exec.cmplsig] "Completion signatures".

Also fixes LWG4203.
@burblebee burblebee force-pushed the motions-2025-06-lwg-24 branch from a91ff84 to 961293f Compare July 2, 2025 05:35
@burblebee burblebee marked this pull request as ready for review July 2, 2025 05:47
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[2025-06 LWG Motion 24] P3557R3 High-Quality Sender Diagnostics with Constexpr Exceptions
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@burblebee @jensmaurer