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cppdraft_translate/cppdraft/diff/cpp20/memory.md
Leonov Artur (Depish) 043225d523 Init
2025-10-25 03:02:53 +03:00

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[diff.cpp20.memory]

Annex C (informative) Compatibility [diff]

C.2 C++ and ISO C++ 2020 [diff.cpp20]

C.2.9 [mem]: memory management library [diff.cpp20.memory]

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Affected subclause: [allocator.traits.general]

Change: Forbid partial and explicit program-defined specializations of allocator_traits.

Rationale: Allow addition of allocate_at_least to allocator_traits, and potentially other members in the future.

Effect on original feature: Valid C++ 2020 code that partially or explicitly specializes allocator_traits is ill-formed with no diagnostic required in this revision of C++.