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Published 20 hours ago • verified publisher icon microsoft

P2641R4 `is_within_lifetime()`: Checking If A Union Alternative Is Active

Open StephanTLavavej opened this issue 2 years ago • 1 comments
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WG21-P2641R4 is_within_lifetime(): Checking If A Union Alternative Is Active

Feature-test macro:

#define __cpp_lib_within_lifetime 202306L

Note: We're focused on implementing the remaining library-only features in C++23. Until that's done, we will NOT be accepting PRs for C++26 features.

StephanTLavavej avatar Jun 20 '23 01:06 StephanTLavavej

It appears that this is, by definition, powered by compiler magic. :magic_wand:

StephanTLavavej avatar Jun 20 '23 01:06 StephanTLavavej