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Select	Paper	Title	Authors	Audience	Doc Date	Mailing Date
	P3856R5	New reflection metafunction - is_structural_type (US NB comment 49)	Jagrut Dave J. Dave , Alisdair Meredith A. Meredith	LEWG LWG		2026-02
Intent Proposal Mailing Date 2026-02 Pre-Croydon Author(s) Jagrut Dave, Alisdair Meredith Target Audience LEWG LWG Revisions R8 R7 R6 R4 Tracking issue View on GitHub Abstract Several parts of the standard and library refer to structural types, including library mandates that types be structural, yet there is no way to query whether a type is structural. Library mandates clauses mean that library implementers must somehow have this functionality, but it is simply not exposed to users. We propose a new reflection metafunction - is_structural_type(info) as a solution, w

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