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	Doc Date	Mailing Date
	P4307R0	An Infix Operator and a Keyword Escape for C++	S. Downey	EWG SG17	2026-09-22	2026-09
Doc Date 2026-09-22 Mailing Date 2026-09 Unassigned Author(s) Steve Downey Target Audience EWG SG17 Abstract We propose two uses for one character: the backtick, the last printable ASCII character the language can still usefully claim. One makes any callable a binary operator; the other lets a keyword be escaped for use as an ordinary identifier. Each is independently motivated, and each is defined by rewrite into something the language already has. They are proposed together, with equal standing, becaus
	P4333R0	Asynchronous main	I. Petersen, J. Wong, R. Leahy	EWG LEWG SG1 SG17 SG18	2026-09-22	2026-09
Doc Date 2026-09-22 Mailing Date 2026-09 Unassigned Author(s) Ian Petersen, Jessica Wong, Robert Leahy Target Audience EWG LEWG SG1 SG17 SG18 Abstract This paper proposes that `main` should have an alternate, sender factory form.
	P4345R0	Extending C++ with Unicode Mathematical Operators	S. Downey	EWG SG16 SG17	2026-09-22	2026-09
Doc Date 2026-09-22 Mailing Date 2026-09 Unassigned Author(s) Steve Downey Target Audience EWG SG16 SG17 Abstract We propose that a user be able to declare `operator⊞` and write `a ⊞ b`. That is the whole feature: a frozen set of Unicode symbols that have never had meaning in C++ becomes available as operator tokens, and an operator drawn from that set is an ordinary overloadable function, found by ordinary lookup, called by ordinary overload resolution.

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