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Paper Title Authors Audience Doc Date
P4139R2 Better Name for Better Lookups in P3091 N. Myers, P. Halpern
WG21
Mailing Date 2026-05 Pre-Brno
Author(s) Nathan Myers, Pablo Halpern
Target Audience WG21
Revisions R3R1R0
Tracking issue View on GitHub
Abstract [[P3091R5]](https://wg21.link/p3091r5), forwarded to LWG for C++29, adds member functions `get` to associative containers in the Standard Library. These member functions work like `operator[]` or `at`, but return an `optional<T&>` value instead of a simple reference; when lookup fails, they return the empty object. While the feature was strongly favored, support for the name `get` yielded only a w
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