WG21 PAPERS

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Filter and export papers from the C++ Committee’s monthly mailings by time frame and audience using the options below, or refine your export further with the Select button. Links point directly to the official WG21 papers on open-std.org.

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Select	Paper	Title	Authors	Audience
	P3951R1	String Interpolation Objects	B. Revzin	EWG
Intent Proposal Mailing Date 2026-04 Post-Croydon Author(s) Barry Revzin Target Audience EWG Revisions R0 Tracking issue View on GitHub Abstract The `std::format` approach to formatting offers many significant benefits over the prior `<iostream>`s approach that need not be revisited here. However, `<iostream>` does still have one significant advantage: ordering. It is easy to see at a glance with a long `std::cout` statement which pieces are to be formatted in which order. With `std::format`, as the amount of replacement fields increases,
	P4101R0	Consteval-only Values for C++26	B. Revzin, P. Dimov, D. Vandevoorde, D. Katz	EWG CWG
Intent Proposal Mailing Date 2026-04 Post-Croydon Author(s) Barry Revzin, Peter Dimov, Daveed Vandevoorde, Dan Katz Target Audience EWG CWG Revisions R1 Tracking issue View on GitHub Abstract The Reflection design from [[P2996R13]](https://wg21.link/p2996r13) was based on a model of having consteval-only types to prevent reflections from leaking to runtime. But we’ve run into issues and limitations with that approach, so we propose that, for C++26, we change instead to a consteval-only value model. This solves the same problems, but has additional benefits.

Showing 2 of 2 papers · source: open-std.org

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