WG21 PAPERS

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Select	Paper	Title	Authors	Audience	Doc Date
	P4337R0	emplace_from	R. Leahy	LEWG SG18	2026-08-03
Doc Date 2026-08-03 Mailing Date 2026-08 Unassigned Author(s) Robert Leahy Target Audience LEWG SG18 Abstract Enabled by variadic templates and forwarding references, C++11 brought emplace construction. Containers, wrappers, et cetera could provide variadic constructors or functions which forwarded arguments through to a constructor of some wrapped or contained type thereby creating an instance of that type without intervening temporaries (which would be copied or moved from).
	P4338R0	deduce	R. Leahy	LEWG SG18	2026-08-03
Doc Date 2026-08-03 Mailing Date 2026-08 Unassigned Author(s) Robert Leahy Target Audience LEWG SG18 Abstract `emplace_from` is a proposed standard library class template which enables emplace functionality (e.g. `std::vector::emplace_back`, `std::optional::emplace`, et cetera) to be used to construct immovable types returned by factory functions (e.g. `std::execution::connect`).

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