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@ispeters ispeters commented Dec 14, 2025

This PR will implement P3149R11 patched with P3815R1.

  • [exec.scope.concepts]
    • concept scope_association
    • concept scope_token
  • [exec.associate]
    • associate algorithm
  • [exec.spawn]
    • spawn algorithm
  • [exec.spawn.future]
    • spawn_future algorithm
  • [exec.counting.scopes]
    • simple_counting_scope
    • counting_scope

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@ericniebler
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/ok to test fd9d04b

@ispeters
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ispeters commented Dec 16, 2025

The latest push includes an implementation of stdexec::associate with some tests, but the tests are incomplete so I haven't marked associate as done in the summary.

I have also tried to address the build failures on the previous iteration, but I don't have a local test environment for the failing build types so I haven't tested the fixes locally, other than to confirm that they still build with my local Clang (i.e. Homebrew clang version 21.1.7).

This diff adds a definition for `concept stdexec::scope_association`
plus tests confirming it accepts and rejects the expected things.
This diff adds a definition for `concept stdexec::scope_token` plus
tests confirming it accepts and rejects the expected things.
This diff defines `stdexec::associate` and adds some initial tests to
confirm it works properly. Still a work in progress.
@ispeters
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Rebased on #1717.

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2 participants