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update the feature-test macro for P2162R2 for variant #2006

Merged
merged 12 commits into from
Jun 29, 2021
Merged

update the feature-test macro for P2162R2 for variant #2006

merged 12 commits into from
Jun 29, 2021

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fsb4000
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@fsb4000 fsb4000 commented Jun 13, 2021

Fixes #1683

@fsb4000 fsb4000 requested a review from a team as a code owner June 13, 2021 06:19
@SuperWig
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You need to also update the feature test macro test.

@SuperWig
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Come to think of it. Considering this was implemented in C++17, thus available in that mode, shouldn't the value just be updated instead of under _HAS_CXX23?

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fsb4000 commented Jun 13, 2021 •
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Yes. I found it when inspected failed test: "std/language.support/support.limits/support.limits.general/variant.version.pass.cpp"
llvm/llvm-project@0324b46#diff-a9be5c3f8e18be99f40fb35f58960f400413a76252d86b53f80d76cb09cb53ef

@AdamBucior
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Do we have test coverage for that to ensure we never accidentally degrade it?

@StephanTLavavej StephanTLavavej added the cxx23 C++23 feature label Jun 14, 2021
@fsb4000 @CaseyCarter
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4d9c248 
Co-authored-by: Casey Carter <Casey@Carter.net>
StephanTLavavej
StephanTLavavej reviewed Jun 23, 2021
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Looks good! I'll push a couple of trivial test changes for style/comment issues I noticed.

tests/std/tests/P2162R2_std_visit_for_derived_classes_from_variant/test.cpp Outdated Show resolved Hide resolved
tests/std/tests/P2162R2_std_visit_for_derived_classes_from_variant/test.cpp Outdated Show resolved Hide resolved
@StephanTLavavej StephanTLavavej self-assigned this Jun 24, 2021
@StephanTLavavej StephanTLavavej merged commit aaa5d08 into microsoft:main Jun 29, 2021
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Thanks for looking into this and adding test coverage - one step closer to C++23 completeness! 🎉 😸 ✔️

@fsb4000 fsb4000 deleted the 1683 branch June 29, 2021 21:40
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@CaseyCarter CaseyCarter CaseyCarter approved these changes

@StephanTLavavej StephanTLavavej StephanTLavavej approved these changes

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Successfully merging this pull request may close these issues.

P2162R2 Inheriting From variant
5 participants
@fsb4000 @SuperWig @AdamBucior @StephanTLavavej @CaseyCarter
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