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P3029 R1 Better mdspan's CTAD #1710

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wg21bot opened this issue Dec 19, 2023 · 6 comments · Fixed by cplusplus/draft#6907
Closed

P3029 R1 Better mdspan's CTAD #1710

wg21bot opened this issue Dec 19, 2023 · 6 comments · Fixed by cplusplus/draft#6907
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B2 - improvement Bucket 2 as described by P0592: bug fixes, performance improvements, integration fixes for/between e C++26 Targeted at C++26 IS Ship vehicle: IS LEWG Library Evolution mdspan plenary-approved Papers approved for inclusion in their target vehicle by plenary vote. size - small paper size estimate
Milestone
2024-03

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wg21bot commented Dec 19, 2023 •
edited by inbal2l

P3029R0 Better mdspan's CTAD (Hewill Kang)
@wg21bot wg21bot added the LEWGI Library Evolution Incubator label Dec 19, 2023
@wg21bot wg21bot added this to the 2024-telecon milestone Dec 19, 2023
@cor3ntin cor3ntin added LEWG Library Evolution and removed LEWGI Library Evolution Incubator labels Dec 19, 2023
@inbal2l inbal2l added B2 - improvement Bucket 2 as described by P0592: bug fixes, performance improvements, integration fixes for/between e mdspan IS Ship vehicle: IS ready-for-library-evolution-meeting-review This paper needs to be discussed at a Library Evolution meeting size - medium paper size estimate C++26 Targeted at C++26 size - small paper size estimate ready-for-library-evolution-mailing-list-review This paper needs to be discussed on the Library Evolution mailing list scheduled-for-library-evolution This paper has been scheduled for one of the groups: LEWG, LEWG Incubator, or a Mailing List review and removed size - medium paper size estimate ready-for-library-evolution-meeting-review This paper needs to be discussed at a Library Evolution meeting labels Jan 5, 2024
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inbal2l commented Feb 14, 2024

A motion to forward P3029R0 to an electronic poll was started by an LEWG mailing list review, on 2024-Feb-06

@cor3ntin cor3ntin added ready-for-library-evolution-electronic-poll This paper needs to undergo a Library Evolution electronic poll expedited-library-evolution-electronic-poll Papers that were reviewed on the mailing list and then advanced directly to electronic polling. and removed ready-for-library-evolution-mailing-list-review This paper needs to be discussed on the Library Evolution mailing list scheduled-for-library-evolution This paper has been scheduled for one of the groups: LEWG, LEWG Incubator, or a Mailing List review labels Feb 15, 2024
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cor3ntin commented Feb 15, 2024 •
edited by inbal2l

This is moved to electronic polling with 13 votes.

Wording feedback

template<integral-constant-like T>
    constexpr size_t maybe-static-ext<T> = static_cast<size_t>(T::value);

should be changed to size_t{T::value} to ensure the conversion is non-narrowing. We don't want e.g. integral_constant<int, -42> to produce a static extent that non-portably depends on the width of int.

The paper should be updated before or during LWG review with that change, and document the change in the revision history.

@inbal2l inbal2l added the scheduled-for-library-evolution This paper has been scheduled for one of the groups: LEWG, LEWG Incubator, or a Mailing List review label Feb 15, 2024
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inbal2l commented Feb 15, 2024

P3029R0 was added to LEWG 2024 February electronic poll paper (P3123R0)

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JeffGarland commented Mar 20, 2024 •
edited

LWG reviewed and approved for C++26 in Tokyo

Poll: put P3029r1 into C++26?

|F|A|N|
|7|0|0|

@cor3ntin cor3ntin added the plenary-approved Papers approved for inclusion in their target vehicle by plenary vote. label Mar 23, 2024
@jensmaurer jensmaurer mentioned this issue Mar 27, 2024
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@jensmaurer jensmaurer modified the milestones: 2024-telecon, 2024-03 Apr 3, 2024
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inbal2l commented Apr 6, 2024

P3029R0 was forwarded in LEWG 2024 February electronic poll (outcomes: P3124R0)

@inbal2l inbal2l removed the ready-for-library-evolution-electronic-poll This paper needs to undergo a Library Evolution electronic poll label Apr 6, 2024
@inbal2l inbal2l removed scheduled-for-library-evolution This paper has been scheduled for one of the groups: LEWG, LEWG Incubator, or a Mailing List review expedited-library-evolution-electronic-poll Papers that were reviewed on the mailing list and then advanced directly to electronic polling. labels Apr 6, 2024
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wg21bot commented Apr 17, 2024

P3029R1 Better mdspan's CTAD (Hewill Kang)

@wg21bot wg21bot changed the title P3029 R0 Better mdspan's CTAD P3029 R1 Better mdspan's CTAD Apr 17, 2024
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B2 - improvement Bucket 2 as described by P0592: bug fixes, performance improvements, integration fixes for/between e C++26 Targeted at C++26 IS Ship vehicle: IS LEWG Library Evolution mdspan plenary-approved Papers approved for inclusion in their target vehicle by plenary vote. size - small paper size estimate
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2024 Tokyo LWG Schedule
Status: Tentatively Ready
Milestone
2024-03
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[LWG motion 18] P3029R1 Better mdspan's CTAD cplusplus/draft
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@cor3ntin @JeffGarland @inbal2l @jensmaurer @wg21bot