P3948R1

constant_wrapper is the only tool needed for passing constant expressions via function arguments

Croydon, Mar 2026C++26Library

Makes constant_wrapper the one tool for passing constant expressions as function arguments (replacing nontype_t uses).

Read P3948R1 on wg21.link →All revisions of P3948

Other papers in constant_wrapper & nontype

P2781R9std::constant_wrapperSofia 2025P3774R1Rename std::nontype, and make it broadly usefulKona 2025P3978R3constant_wrapper should unwrap on call and subscriptCroydon 2026P4206R0Revert string support in std::constant_wrapperBrno 2026All 5 papers in constant_wrapper & nontype →