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Paper Title Authors Audience Doc Date
P3856R8 New reflection metafunction - is_structural_type (US NB comment 49) J. Dave, A. Meredith
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Intent Proposal
Mailing Date 2026-04 Post-Croydon
Author(s) Jagrut Dave, Alisdair Meredith
Target Audience LWG
Revisions R7R6R5R4
Tracking issue View on GitHub
Disposition Date 2026-03Adopted
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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