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[LWG motion 22] P2641R4 Checking if a union alternative is active #6348

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merged 2 commits into from Jul 21, 2023
Merged

[LWG motion 22] P2641R4 Checking if a union alternative is active #6348

merged 2 commits into from Jul 21, 2023

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burblebee
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@burblebee burblebee commented Jun 23, 2023 •
edited by jensmaurer

@burblebee burblebee marked this pull request as ready for review June 23, 2023 21:46
JohelEGP
JohelEGP approved these changes Jun 25, 2023
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I'm using https://isocpp.org/files/papers/P2641R4.html.

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@jensmaurer jensmaurer added this to the post-2023-06 milestone Jun 27, 2023
@burblebee @tkoeppe
P2641R4 Checking if a union alternative is active
0facada 
The feature test macro has been renamed from __cpp_lib_within_lifetime
to __cpp_lib_is_within_lifetime, which seems more appropriate and
follows existing practice.
@burblebee @tkoeppe
[meta.type.synop, meta.const.eval] Rewrite declarations using auto
6a8b155 
See #4822 for the general policy on when to use abbreviated function
template syntax.
@tkoeppe tkoeppe merged commit 4fba140 into main Jul 21, 2023
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@jensmaurer jensmaurer deleted the motions-2023-06-lwg-22 branch November 12, 2023 21:27
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@JohelEGP JohelEGP JohelEGP approved these changes

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@burblebee @jwakely @tkoeppe @JohelEGP @frederick-vs-ja @jensmaurer @lprv