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
	P3039R1	Automatically Generate `operator->`	A. Kostur, D. Stone	EWG LEWG
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Andre Kostur, David Stone Target Audience EWG LEWG Tracking issue View on GitHub
	P3865R1	Class template argument deduction (CTAD) for type template template parameters	C. Meerwald	EWG
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Christof Meerwald Target Audience EWG Revisions R3 R2 Tracking issue View on GitHub Abstract [CWG 3003](https://cplusplus.github.io/CWG/issues/3003.html) "Naming a deducible template for class template argument deduction" has been raised to clarify that with the current core language wording, class template argument deduction does not work for type template template parameters.
	P3911R2	RO 2-056 6.11.2 [basic.contract.eval] Make Contracts Reliably Non-Ignorable	D. Neațu, A. Alexandrescu, L. Teodorescu, R. Nichita, H. Sutter	EWG SG21
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Darius Neațu, Andrei Alexandrescu, Lucian Radu Teodorescu, Radu Nichita, Herb Sutter Target Audience EWG SG21 Revisions R1 Tracking issue View on GitHub Abstract Building on motivation from EWG Kona 2025, this paper proposes a minimal pure extension to the C++26 Contracts facility. This extension addresses the Romanian National Body's (NB) concern by enabling the writing of an individual contract assertion that guarantees the program execution will not continue past the contract assertion if it is violated, regardless of the semantics of other contract ass
	P3950R0	return_value & return_void Are Not Mutually Exclusive	R. Leahy	EWG SG1 SG17
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Robert Leahy Target Audience EWG SG1 SG17 Revisions R1 Tracking issue View on GitHub Abstract The standard specifies the effect of `co_return` statements in terms of equivalent statements within the context of a replacement body (§9.6.4 [dcl.fct.def.coroutine]). Like a regular `return` statement `co_return` statements have two distinct forms: Those that return `void` and those that return some value. These are specified as follows (§8.8.5 [stmt.return.coroutine]):
	P3951R0	String Interpolation Objects	B. Revzin	EWG
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Barry Revzin Target Audience EWG Revisions R1 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,
	P3952R0	is_pointer_in_range	H. Sutter, G. Fernandes	EWG LEWG
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Herb Sutter, Glen Joseph Fernandes Target Audience EWG LEWG Tracking issue View on GitHub Abstract WG21 is often asked for a way to reliably answer the question, “does this raw pointer point inside this buffer?” See [Core 2025] for some use cases. Such an `is_pointer_in_range` function is appropriate to standardize because:
	P3960R0	Define copy-constructibility-from-bytes	M. Hoemmen, R. Arutyunyan	EWG LEWG SG1 SG17
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Mark Hoemmen, Ruslan Arutyunyan Target Audience EWG LEWG SG1 SG17 Tracking issue View on GitHub Abstract Given an object `src` of trivially-copyable type `T`, we can copy the object’s value representation to an array of bytes, and implicitly create a new `T` object (e.g., with `start_lifetime_as`) in the array of bytes. The result will hold the same value as `src`.
	P3963R0	Assignable lambdas with capture	R. Arutyunyan	EWG SG17
Intent Proposal Mailing Date 2026-01 Unassigned Author(s) Ruslan Arutyunyan Target Audience EWG SG17 Tracking issue View on GitHub Abstract This paper proposes making lambdas with captures copy assignable and move assignable when all captured entities are themselves assignable.

Showing 8 of 8 papers · source: open-std.org

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