[v4,1/4] rust: str: implement `PartialEq` for `BStr`

Commit Message

Andreas Hindborg Jan. 9, 2025, 10:54 a.m. UTC

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

Reviewed-by: Alice Ryhl <[e-mail]>
Signed-off-by: Andreas Hindborg <[e-mail]>
---
 rust/kernel/str.rs | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Gary Guo Jan. 15, 2025, 7:35 p.m. UTC | #1

On Thu, 09 Jan 2025 11:54:56 +0100
Andreas Hindborg <[e-mail]> wrote:

> Implement `PartialEq` for `BStr` by comparing underlying byte slices.
> 
> Reviewed-by: Alice Ryhl <[e-mail]>
> Signed-off-by: Andreas Hindborg <[e-mail]>

Reviewed-by: Gary Guo <[e-mail]>

> ---
>  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
>

Patch

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