P3726R2

Adjustments to Union Lifetime Rules

Croydon, Mar 2026C++26Language

Adjusts the union lifetime rules from P3074 after national-body comments.

Read P3726R2 on wg21.link →All revisions of P3726

Other papers in Object lifetime & unions

P2590R2Explicit lifetime managementVirtual Jul 2022P2674R1A trait for implicit lifetime typesIssaquah 2023P2679R2Fixing std::start_lifetime_as for arraysIssaquah 2023P3074R7trivial unions (was std::uninitialized)Hagenberg 2025P3769R1Clarification of placement new deallocationCroydon 2026All 6 papers in Object lifetime & unions →