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SelectPaper Title Authors Audience Doc Date Mailing Date
P4223R1 Towards senders in interfaces Ian Petersen I. Petersen 2026-10-23 2026-10
Doc Date 2026-10-23
Mailing Date 2026-10 Pre-Búzios
Author(s) Ian Petersen
Target Audience LEWGSG1SG14
Revisions R0
Tracking issue View on GitHub
Abstract The standard library offers two ways to declare an asynchronous function in one place and define it in another, and each falls short. Returning a sender whose type is specific to the function’s implementation puts the structure of that implementation in its declaration, so the implementation can’t change without changing the interface, and overrides of a virtual function can’t differ in structure.
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