linux-kernel - [PATCH v3 1/4] rust: str: implement `PartialEq` for `BStr`

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Message-Id: <20241213-module-params-v3-v3-1-485a015ac2cf@kernel.org>
Date: Fri, 13 Dec 2024 12:30:46 +0100
From: Andreas Hindborg <a.hindborg@...nel.org>
To: 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>
Cc: 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, 
 Andreas Hindborg <a.hindborg@...nel.org>
Subject: [PATCH v3 1/4] rust: str: implement `PartialEq` for `BStr`

Implement `PartialEq` for `BStr` by comparing underlying byte slices.

Signed-off-by: Andreas Hindborg <a.hindborg@...nel.org>
---
 rust/kernel/str.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
index d04c12a1426d1c1edeb88325bcd9c63bf45f9b60..c441acf76ebd1f14919b6d233edffbbbbf944619 100644
--- a/rust/kernel/str.rs
+++ b/rust/kernel/str.rs
@@ -106,6 +106,12 @@ 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

-- 
2.47.0