Hristo Hristov a0c00ccd5f [libc++] P2944R3: Constrained comparisons - update reference_wrapper implementation (#139368) ...

Updates the implementation `std::reference_wrapper` -
[P2944R3](https://wg21.link/P2944R3) as discussed in
https://github.com/llvm/llvm-project/pull/117664#discussion_r1857826166
This PR also refactors the tests in preparation to implements the
constrained comparisons for `optional`, `variant` etc.

- Moves the test helpers (concepts and types) for testing constrained
comparisons to `test_comparisons.h`.
- Updates the `std::reference_wrapper` implementation to use the concept
`__core_convertible_to<bool>` as per comments in #135759.

Closes #138233

# References:
- [refwrap.comparisons](https://wg21.link/refwrap.comparisons)

---------

Co-authored-by: Hristo Hristov <zingam@outlook.com>
Co-authored-by: Nikolas Klauser <nikolasklauser@berlin.de>

2025-06-15 07:45:48 +03:00

..

array.cons

[libc++][NFC] Run the container tests through clang-format (#126499)

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array.creation

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array.data

[libc++][NFC] Run the container tests through clang-format (#126499)

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array.fill

[libc++] Make .verify.cpp tests more robust against changing headers (#128703)

2025-02-25 18:02:34 +01:00

array.overview

[clang] improved preservation of template keyword (#133610)

2025-04-01 17:15:18 -03:00

array.size

[libc++][NFC] Run the container tests through clang-format (#126499)

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array.special

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array.swap

[libc++] Make .verify.cpp tests more robust against changing headers (#128703)

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array.tuple

[libc++] Make .verify.cpp tests more robust against changing headers (#128703)

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array.zero

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aggregate.pass.cpp

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assert.back.pass.cpp

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assert.front.pass.cpp

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assert.indexing.pass.cpp

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assert.iterators.pass.cpp

[libc++][test] Fix issues found by MSVC's STL (#131787)

2025-03-20 15:53:25 +08:00

at_const.pass.cpp

[libc++][NFC] Run the container tests through clang-format (#126499)

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at.pass.cpp

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compare.pass.cpp

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compare.three_way.pass.cpp

[libc++] P2944R3: Constrained comparisons - update reference_wrapper implementation (#139368)

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compare.three_way.verify.cpp

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compare.verify.cpp

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contiguous.pass.cpp

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empty.pass.cpp

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empty.verify.cpp

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front_back_const.pass.cpp

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front_back.pass.cpp

[libc++][NFC] Run the container tests through clang-format (#126499)

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indexing_const.pass.cpp

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indexing.pass.cpp

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iterator_concept_conformance.compile.pass.cpp

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iterators.pass.cpp

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lwg3382.compile.pass.cpp

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max_size.pass.cpp

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range_concept_conformance.compile.pass.cpp

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size_and_alignment.compile.pass.cpp

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types.pass.cpp

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