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From: Gary Guo <gary@garyguo.net>
To: Laine Taffin Altman <alexanderaltman@me.com>
Cc: "Wedson Almeida Filho" <wedsonaf@gmail.com>,
	rust-for-linux@vger.kernel.org, "Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/7] rust: sync: introduce `UniqueArc`
Date: Sat, 31 Dec 2022 19:46:58 +0000	[thread overview]
Message-ID: <20221231194658.4f45055d.gary@garyguo.net> (raw)
In-Reply-To: <792D12DA-73F0-4218-B0E1-7A0D8C235C21@me.com>

On Tue, 27 Dec 2022 23:19:52 -0800
Laine Taffin Altman <alexanderaltman@me.com> wrote:

> > +impl<T: ?Sized> From<UniqueArc<T>> for Pin<UniqueArc<T>> {
> > +    fn from(obj: UniqueArc<T>) -> Self {
> > +        // SAFETY: It is not possible to move/replace `T` inside a `Pin<UniqueArc<T>>` (unless `T`  
> 
> Minor nit:  `Pin<UniqueArc<T>>` in this comment should just be `UniqueArc<T>`.

No, the current comment is correct. It's possible to move `T` inside
`UniqueArc<T>` (because it implements `DerefMut`).

Best,
Gary Guo


  reply	other threads:[~2022-12-31 19:47 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-28  6:03 [PATCH 1/7] rust: sync: add `Arc` for ref-counted allocations Wedson Almeida Filho
2022-12-28  6:03 ` [PATCH 2/7] rust: sync: allow type of `self` to be `Arc<T>` or variants Wedson Almeida Filho
2022-12-28 10:03   ` Alice Ryhl
2022-12-31 19:37   ` Gary Guo
2023-01-04 16:12   ` Vincenzo
2022-12-28  6:03 ` [PATCH 3/7] rust: sync: allow coercion from `Arc<T>` to `Arc<U>` Wedson Almeida Filho
2022-12-28 10:03   ` Alice Ryhl
2022-12-31 19:37   ` Gary Guo
2023-01-04 16:13   ` Vincenzo
2022-12-28  6:03 ` [PATCH 4/7] rust: sync: introduce `ArcBorrow` Wedson Almeida Filho
2022-12-28  7:15   ` Laine Taffin Altman
2022-12-28 10:03   ` Alice Ryhl
2022-12-31 19:43   ` Gary Guo
2023-01-04 15:29     ` Wedson Almeida Filho
2023-01-04 16:06       ` Emilio Cobos Álvarez
2023-01-04 17:52         ` Wedson Almeida Filho
2023-01-16 22:07         ` Gary Guo
2023-01-21  0:44           ` Boqun Feng
2023-01-16 22:42   ` Vincenzo Palazzo
2022-12-28  6:03 ` [PATCH 5/7] rust: sync: allow type of `self` to be `ArcBorrow<T>` Wedson Almeida Filho
2022-12-28 10:04   ` Alice Ryhl
2022-12-31 19:44   ` Gary Guo
2023-01-04 16:18   ` Vincenzo
2022-12-28  6:03 ` [PATCH 6/7] rust: sync: introduce `UniqueArc` Wedson Almeida Filho
2022-12-28  7:19   ` Laine Taffin Altman
2022-12-31 19:46     ` Gary Guo [this message]
2022-12-28 10:04   ` Alice Ryhl
2022-12-31 19:47   ` Gary Guo
2023-01-04 16:21   ` Vincenzo
2022-12-28  6:03 ` [PATCH 7/7] rust: sync: add support for dispatching on Arc and ArcBorrow Wedson Almeida Filho
2022-12-28  7:24   ` Laine Taffin Altman
2022-12-31 19:51     ` Gary Guo
2022-12-28 10:04   ` Alice Ryhl
2022-12-31 19:52   ` Gary Guo
2023-01-04 16:26   ` Vincenzo
2022-12-28  7:09 ` [PATCH 1/7] rust: sync: add `Arc` for ref-counted allocations Laine Taffin Altman
2022-12-28  7:27   ` Wedson Almeida Filho
2022-12-28  7:32     ` Laine Taffin Altman
2022-12-28 10:03 ` Alice Ryhl
2022-12-28 10:14   ` Wedson Almeida Filho
2022-12-28 10:38     ` Alice Ryhl
2022-12-31 19:55 ` Gary Guo
2023-01-04 16:08 ` Vincenzo
2023-01-10 20:22 ` Boqun Feng
2023-01-10 21:20   ` Peter Zijlstra
2023-01-10 21:36     ` Boqun Feng
2023-01-10 21:54       ` Peter Zijlstra
2023-01-16 21:06   ` Boqun Feng
2023-01-16 23:34 ` Miguel Ojeda

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