R9 of paper which fixes the reference stealing bug#103
Merged
steve-downey merged 10 commits intobemanproject:mainfrom Jan 21, 2025
Merged
R9 of paper which fixes the reference stealing bug#103steve-downey merged 10 commits intobemanproject:mainfrom
steve-downey merged 10 commits intobemanproject:mainfrom
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Fix the construction and assignment of optional<U&>&& to an optional<T> where the referred to value could be stolen.
Improve the parallelism in t he declarations in the implementation to clarify that the difference in the overloads is due to the 'Other' parameter for removing it from consideration for overload since the U parameter is *already* a reference. Checking for 'const U&' is no longer the right thing to check.
neatudarius
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Jan 20, 2025
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This looks great! Thanks for improving std/beman optional! ;)
| The proposed changes are relative to the current working draft \cite{N4910}. | ||
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| \chapter{Acknowledgements} | ||
| Many thanks to all of the reviewers and authors of beman/optional26, \cite{The_Beman_Project_beman_optional26}, in particular A. Jiang, Darius Neațu, David Sankel, Eddie Nolan, Jan Kokemüller, Jeff Garland, and River. Tomasz Kamiński provided extensive support for the library wording of optional<T\&>. |
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Suggested change
| Many thanks to all of the reviewers and authors of beman/optional26, \cite{The_Beman_Project_beman_optional26}, in particular A. Jiang, Darius Neațu, David Sankel, Eddie Nolan, Jan Kokemüller, Jeff Garland, and River. Tomasz Kamiński provided extensive support for the library wording of optional<T\&>. | |
| Many thanks to all of the reviewers and authors of beman/optional, \cite{The_Beman_Project_beman_optional26}, in particular A. Jiang, Darius Neațu, David Sankel, Eddie Nolan, Jan Kokemüller, Jeff Garland, and River. Tomasz Kamiński provided extensive support for the library wording of optional<T\&>. |
It's up to you if you want to postpone the renaming from #102 until Austria. If already planning to merge #102 first, reminder to update this branch.
And also, thanks for acknowledge here! :D
| author = {The Beman Project}, | ||
| license = {Apache-2.0}, | ||
| title = {{beman.optional26}}, | ||
| howpublished = {\url{https://github.com/bemanproject/optional26}}, |
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Same reminder here about renaming. Feel free to ignore it. Just trying to help for Austria.
| } | ||
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| /// Converting move constructor. | ||
| /// Converting copy constructor for U& |
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Can we please add some tests to cover this bugfix? Thanks for fixing it!
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The paper had to go out last Monday, so this is catch up. I'll update the
name of the project and repo in follow up, and for the eventual final
wording paper. This version gets a nod from LEWG Tuesday (fingers crossed).
I'll add some further test cases, too, although I believe Jan's patch had
some initial ones.
…On Mon, Jan 20, 2025 at 11:39 AM Darius Neațu ***@***.***> wrote:
***@***.**** approved this pull request.
This looks great! Thanks for improving std/beman optional! ;)
------------------------------
In papers/P2988/optional_ref_wording.tex
<#103 (comment)>
:
> @@ -406,6 +413,10 @@ \chapter{Impact on the standard}
The proposed changes are relative to the current working draft \cite{N4910}.
+\chapter{Acknowledgements}
+Many thanks to all of the reviewers and authors of beman/optional26, \cite{The_Beman_Project_beman_optional26}, in particular A. Jiang, Darius Neațu, David Sankel, Eddie Nolan, Jan Kokemüller, Jeff Garland, and River. Tomasz Kamiński provided extensive support for the library wording of optional<T\&>.
⬇️ Suggested change
-Many thanks to all of the reviewers and authors of beman/optional26, \cite{The_Beman_Project_beman_optional26}, in particular A. Jiang, Darius Neațu, David Sankel, Eddie Nolan, Jan Kokemüller, Jeff Garland, and River. Tomasz Kamiński provided extensive support for the library wording of optional<T\&>.
+Many thanks to all of the reviewers and authors of beman/optional, \cite{The_Beman_Project_beman_optional26}, in particular A. Jiang, Darius Neațu, David Sankel, Eddie Nolan, Jan Kokemüller, Jeff Garland, and River. Tomasz Kamiński provided extensive support for the library wording of optional<T\&>.
It's up to you if you want to postpone the renaming from #102
<#102> until Austria. If
already planning to merge #102
<#102> first, reminder to
update this branch.
And also, thanks for acknowledge here! :D
------------------------------
In papers/P2988/mybiblio.bib
<#103 (comment)>
:
> @@ -58,3 +58,12 @@ @misc{rawgithu58:online
year = {},
note = {(Accessed on 08/14/2024)}
}
+
***@***.***{The_Beman_Project_beman_optional26,
+author = {The Beman Project},
+license = {Apache-2.0},
+title = {{beman.optional26}},
+howpublished = {\url{https://github.com/bemanproject/optional26}},
Same reminder here about renaming. Feel free to ignore it. Just trying to
help for Austria.
------------------------------
In include/beman/optional26/optional.hpp
<#103 (comment)>
:
> @@ -470,24 +474,25 @@ inline constexpr optional<T>::optional(const optional<U>& rhs)
}
}
-/// Converting move constructor.
+/// Converting copy constructor for U&
Can we please add some tests to cover this bugfix? Thanks for fixing it!
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Paper includes fix for an rvalue-ref optional<T&> being assigned to an optional and stealing via move the referred to object.