linux-kernel - Re: [PATCH v8 1/7] rust: str: implement `PartialEq` for `BStr`

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Message-ID: <m2o6yhjbpq.fsf@kloenk.dev>
Date: Tue, 04 Mar 2025 12:07:29 +0100
From: Fiona Behrens <me@...enk.dev>
To: Andreas Hindborg <a.hindborg@...nel.org>
Cc: Miguel Ojeda <ojeda@...nel.org>,  Alex Gaynor <alex.gaynor@...il.com>,
  Boqun Feng <boqun.feng@...il.com>,  Gary Guo <gary@...yguo.net>,
  Björn
 Roy Baron <bjorn3_gh@...tonmail.com>,  Benno Lossin
 <benno.lossin@...ton.me>,  Alice Ryhl <aliceryhl@...gle.com>,  Masahiro
 Yamada <masahiroy@...nel.org>,  Nathan Chancellor <nathan@...nel.org>,
  Nicolas Schier <nicolas@...sle.eu>,  Luis Chamberlain
 <mcgrof@...nel.org>,  Trevor Gross <tmgross@...ch.edu>,  Adam
 Bratschi-Kaye <ark.email@...il.com>,  rust-for-linux@...r.kernel.org,
  linux-kernel@...r.kernel.org,  linux-kbuild@...r.kernel.org,  Petr Pavlu
 <petr.pavlu@...e.com>,  Sami Tolvanen <samitolvanen@...gle.com>,  Daniel
 Gomez <da.gomez@...sung.com>,  Simona Vetter <simona.vetter@...ll.ch>,
  Greg KH <gregkh@...uxfoundation.org>,  Daniel Almeida
 <daniel.almeida@...labora.com>,  linux-modules@...r.kernel.org
Subject: Re: [PATCH v8 1/7] rust: str: implement `PartialEq` for `BStr`

Andreas Hindborg <a.hindborg@...nel.org> writes:

> Implement `PartialEq` for `BStr` by comparing underlying byte slices.
>
> Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
> Reviewed-by: Gary Guo <gary@...yguo.net>
> Reviewed-by: Daniel Almeida <daniel.almeida@...labora.com>
> Tested-by: Daniel Almeida <daniel.almeida@...labora.com>
> Signed-off-by: Andreas Hindborg <a.hindborg@...nel.org>

Reviewed-by: Fiona Behrens <me@...enk.dev>

> ---
>  rust/kernel/str.rs | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
> index 28e2201604d6..002dcddf7c76 100644
> --- a/rust/kernel/str.rs
> +++ b/rust/kernel/str.rs
> @@ -108,6 +108,12 @@ fn deref(&self) -> &Self::Target {
>      }
>  }
>  
> +impl PartialEq for BStr {
> +    fn eq(&self, other: &Self) -> bool {
> +        self.deref().eq(other.deref())
> +    }
> +}
> +
>  /// Creates a new [`BStr`] from a string literal.
>  ///
>  /// `b_str!` converts the supplied string literal to byte string, so non-ASCII