WG21 PAPERS

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Select	Paper	Title	Authors	Audience
	P4148R2	protocol: Structural Subtyping for C++	J. Coe, H. Dusikova, A. Peacock, P. Craig, N. Banglawala	SG18
Mailing Date 2026-07 Post-Brno Author(s) Jonathan B. Coe, Hana Dusikova, Antony Peacock, Philip Craig, Neelofer Banglawala Target Audience SG18 Revisions R1 R0 Tracking issue View on GitHub Abstract We propose `protocol<T,` `A>` and `protocol_view<T>`, standard library vocabulary types for structural subtyping in C++. Interfaces are specified as plain structs; any type whose member functions satisfy the interface is accepted without requiring explicit inheritance.
	P4188R1	Extensible Math Functions for C++	S. Gros-Lemesre	LEWG LWG SG6 SG18 SG20
Mailing Date 2026-07 Post-Brno Author(s) Stephane Gros-Lemesre Target Audience LEWG LWG SG6 SG18 SG20 Revisions R0 Tracking issue View on GitHub

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