From: Boqun Feng <boqun.feng@gmail.com>
To: Tamir Duberstein <tamird@gmail.com>
Cc: "Masahiro Yamada" <masahiroy@kernel.org>,
"Nathan Chancellor" <nathan@kernel.org>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
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"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
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"Luis Chamberlain" <mcgrof@kernel.org>,
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Subject: Re: [PATCH v8 6/6] rust: enable `clippy::ref_as_ptr` lint
Date: Tue, 15 Apr 2025 16:11:21 -0700 [thread overview]
Message-ID: <67fee79d.050a0220.3c9498.bc23@mx.google.com> (raw)
In-Reply-To: <CAJ-ks9ni3iVY-PwUVdhxah325ovU5CWw=gfR+dhfPLGwDra8pQ@mail.gmail.com>
On Tue, Apr 15, 2025 at 07:08:42PM -0400, Tamir Duberstein wrote:
[...]
> > > >
> > > > > > also from the link document you shared, looks like the suggestion is to
> > > > > > use core::ptr::from_{ref,mut}(), was this ever considered?
> > > > >
> > > > > I considered it, but I thought it was ugly. We don't have a linter to
> > > > > enforce it, so I'd be surprised if people reached for it.
> > > > >
> > > >
> > > > I think avoiding the extra line of `let` is a win, also I don't get why
> > > > you feel it's *ugly*: having the extra `let` line is ugly to me ;-)
> > >
> > > I admit it's subjective, so I'm happy to change it. But I've never
> > > seen that syntax used, and we lack enforcement for either one, so I
> > > don't find much value in arguing over this.
> > >
> >
> > If the original code use "as" for conversion purposes, I think it's good
> > to be consistent and using from_ref() or from_mut(): they are just
> > bullet-proof version of conversions, and having a separate let statement
> > looks like a distraction to me. If for new code, and the author has a
> > reason for let statement, then it's fine.
>
> Fine by me. I'll change the let statements to those methods on the next spin.
>
Thanks! There are a few instances in the early patches as well,
appreciate it if you can change them as well.
Regards,
Boqun
> Thanks for your feedback.
> Tamir
prev parent reply other threads:[~2025-04-15 23:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-09 14:47 [PATCH v8 0/6] rust: reduce `as` casts, enable related lints Tamir Duberstein
2025-04-09 14:47 ` [PATCH v8 1/6] rust: enable `clippy::ptr_as_ptr` lint Tamir Duberstein
2025-04-15 17:03 ` Lyude Paul
2025-04-09 14:47 ` [PATCH v8 2/6] rust: enable `clippy::ptr_cast_constness` lint Tamir Duberstein
2025-04-09 14:47 ` [PATCH v8 3/6] rust: enable `clippy::as_ptr_cast_mut` lint Tamir Duberstein
2025-04-09 14:47 ` [PATCH v8 4/6] rust: enable `clippy::as_underscore` lint Tamir Duberstein
2025-04-09 14:47 ` [PATCH v8 5/6] rust: enable `clippy::cast_lossless` lint Tamir Duberstein
2025-04-09 14:47 ` [PATCH v8 6/6] rust: enable `clippy::ref_as_ptr` lint Tamir Duberstein
2025-04-14 10:52 ` Benno Lossin
2025-04-15 17:37 ` Boqun Feng
2025-04-15 17:58 ` Tamir Duberstein
2025-04-15 18:17 ` Boqun Feng
2025-04-15 20:10 ` Tamir Duberstein
2025-04-15 20:51 ` Boqun Feng
2025-04-15 20:59 ` Tamir Duberstein
2025-04-15 23:03 ` Boqun Feng
2025-04-15 23:08 ` Tamir Duberstein
2025-04-15 23:11 ` Boqun Feng [this message]
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