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Paper Title Authors Audience Doc Date Audit
P4148R2 protocol: Structural Subtyping for C++ J. Coe, H. Dusikova, A. Peacock, P. Craig, N. Banglawala
LEWGI
Mailing Date 2026-07 Post-Brno
Author(s) Jonathan B. Coe, Hana Dusikova, Antony Peacock, Philip Craig, Neelofer Banglawala
Target Audience LEWGI
Revisions R1R0
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.
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