Extend implementor freedom to drop `set_error_t(exception_ptr)` completion to all library-provided senders

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#799 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
cpp
Domain
backend

Research direction

Start with [[exec.adapt.general]/p7] in the linked execution specification and review the context from issue #472. Then inspect the library-provided senders to determine how the stated implementor freedom applies across them. Done means the specification and affected sender behavior consistently permit dropping set_error_t(exception_ptr) when it cannot be called.

Written by the indexing model from the issue text.

Description

bug P1

Paragraph ([exec.adapt.general]/p7) grants implementor freedom to drop the set_error_t(exception_ptr) completion from any sender adaptor if the implementation is known statically to never call set_error with an exception_ptr.

This implementor freedom should be extended to all library-provided senders.

refs #472

Dominant language
C++
Stars
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Forks
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Avg merge
2d 17h
Merged PRs (30d)
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