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can a sender's connect member fn be private if it befriends execution::connect_t?

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

enhancementNew feature or requestNew feature or request

P2

Status: Open.

#342 In cplusplus/sender-receiver;

· ericniebler opened on Jul 3, 2025

4 comments

should we permit get_completion_signatures<Sndr,Env>() to return a subset of get_completion_signatures<Sndr>()

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

Status: Open.

#339 In cplusplus/sender-receiver;

· ericniebler opened on Jun 18, 2025

Figure out how/whether we should use P2830 "Standardized Constexpr Type Ordering" in sender/receiver

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

Status: Open.

#330 In cplusplus/sender-receiver;

· lewissbaker opened on Feb 15, 2025

3 comments

[exec.snd.concepts] sender_to concept should avoid checking that the receiver's completion-methods are present

design

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

Status: Open.

#327 In cplusplus/sender-receiver;

· lewissbaker opened on Feb 8, 2025



Should set_value/error/stopped CPOs require that member-functions return void?

bugSomething isn't workingSomething isn't working

design

P0

Status: Open.

#323 In cplusplus/sender-receiver;

· lewissbaker opened on Feb 4, 2025

2 comments



when_all(just()) shouldn’t have a set_stopped_t() completion signature

design

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

Status: Open.

#297 In cplusplus/sender-receiver;

· BenFrantzDale opened on Oct 22, 2024

run_loop::schedule() should not have set_stopped_t() in its completion signatures if passed an env with an unstoppable_token

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

wording

Status: Open.

#294 In cplusplus/sender-receiver;

· lewissbaker opened on Oct 16, 2024

run_loop::run-loop-sender should remove the item from the list when a stop-request is sent

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

P0

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#293 In cplusplus/sender-receiver;

· lewissbaker opened on Oct 15, 2024

7 comments

should queries be required to have a UUID so that there is a global canonical ordering?

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

Status: Open.

#289 In cplusplus/sender-receiver;

· ericniebler opened on Aug 28, 2024

2 comments

Should let_value destroy its predecessor operation-state eagerly to allow storage reuse?

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

P0

Status: Open.

#287 In cplusplus/sender-receiver;

· lewissbaker opened on Aug 14, 2024

2 comments

Why do we allow directly querying schedulers, but require receivers to return a separate environment object?

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

Status: Open.

#286 In cplusplus/sender-receiver;

· lewissbaker opened on Aug 13, 2024

Add support for strand-schedulers

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

enhancementNew feature or requestNew feature or request

Status: Open.

#285 In cplusplus/sender-receiver;

· lewissbaker opened on Aug 12, 2024

Clarify the semantics/requirements of the get_scheduler query

bugSomething isn't workingSomething isn't working

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

Status: Open.

#284 In cplusplus/sender-receiver;

· lewissbaker opened on Aug 3, 2024

1 comment

Definition of SCHED-ATTRS incorrectly assumes that schedule operations that complete with set_stopped will complete on that scheduler

bugSomething isn't workingSomething isn't working

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

Status: Open.

#283 In cplusplus/sender-receiver;

· lewissbaker opened on Aug 1, 2024

5 comments

grant connect permission to return a type other than decltype(sndr.connect(rcvr))

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

Status: Open.

#281 In cplusplus/sender-receiver;

· ericniebler opened on Jul 19, 2024

1 comment

Should the default implementation of bulk support cancellation?

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

Paper existsPaper exists, either WIP or pending-wg21Paper exists, either WIP or pending-wg21

pending-wg21A paper or an LWG issue exitsA paper or an LWG issue exits

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#278 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 12, 2024

5 comments

bulk doesn't explicitly grant permissions for customisations to execute f concurrently

bugSomething isn't workingSomething isn't working

design

P0

Paper existsPaper exists, either WIP or pending-wg21Paper exists, either WIP or pending-wg21

pending-wg21A paper or an LWG issue exitsA paper or an LWG issue exits

processedprocessed in a meetingprocessed in a meeting

wording

Status: Open.

#277 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 12, 2024

1 comment

bulk does not specify what customizations need to do with exceptions thrown from invocations of f

bugSomething isn't workingSomething isn't working

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

P0

Paper existsPaper exists, either WIP or pending-wg21Paper exists, either WIP or pending-wg21

pending-wg21A paper or an LWG issue exitsA paper or an LWG issue exits

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#276 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 12, 2024

4 comments

bulk doesn't give the caller a way to constrain how function can be executed

bugSomething isn't workingSomething isn't working

design

P0

Paper existsPaper exists, either WIP or pending-wg21Paper exists, either WIP or pending-wg21

pending-wg21A paper or an LWG issue exitsA paper or an LWG issue exits

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#275 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 12, 2024

4 comments

Define a policy for resuming leaf operations that avoids running continuations inline on context that triggered completion

async-scopeIssues relating to the design of async_scope/counting_scope facilities.Issues relating to the design of async_scope/counting_scope facilities.

coroutinesIssues relating to coroutine support.Issues relating to coroutine support.

design

discussionWe need to talk about this; there's nothing actionable here yetWe need to talk about this; there's nothing actionable here yet

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

Status: Open.

#269 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 4, 2024

5 comments

Update connect-awaitable specification to use the receiver's allocator to allocate the coroutine-frame

coroutinesIssues relating to coroutine support.Issues relating to coroutine support.

design

enhancementNew feature or requestNew feature or request

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#268 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 4, 2024

1 comment

Improvements to receiver interface (explicit datum types, generic set_result)

design

enhancementNew feature or requestNew feature or request

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#264 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 4, 2024

1 comment

Change split algorithm to be an algorithm over an async-scope

async-scopeIssues relating to the design of async_scope/counting_scope facilities.Issues relating to the design of async_scope/counting_scope facilities.

design

needs-paperNeeds a paper to be writtenNeeds a paper to be written

P0

processedprocessed in a meetingprocessed in a meeting

Status: Open.

#263 In cplusplus/sender-receiver;

· lewissbaker opened on Jul 3, 2024

1 comment

Add ability to know when computing completion-signatures whether the call to connect() will throw

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

Status: Open.

#247 In cplusplus/sender-receiver;

· lewissbaker opened on Jun 14, 2024

3 comments

remove get_completion_signatures

design

needs-proposed-resolutionThis issue does not yet have a proposed resolution but needs oneThis issue does not yet have a proposed resolution but needs one

P0

Status: Open.

#246 In cplusplus/sender-receiver;

· ericniebler opened on Jun 14, 2024

5 comments