| Message ID | 20250204-module-params-v3-v5-2-bf5ec2041625@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | rust: extend `module!` macro with integer parameter support | expand |
diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs index 002dcddf7c7687522a0acbff3ce6f65fa890e216..1eb945bed77d6592216cf30678fcca70d4c0b3b3 100644 --- a/rust/kernel/str.rs +++ b/rust/kernel/str.rs @@ -114,6 +114,17 @@ fn eq(&self, other: &Self) -> bool { } } +impl<Idx> Index<Idx> for BStr +where + Idx: core::slice::SliceIndex<[u8], Output = [u8]>, +{ + type Output = Self; + + fn index(&self, index: Idx) -> &Self::Output { + BStr::from_bytes(&self.0[index]) + } +} + /// Creates a new [`BStr`] from a string literal. /// /// `b_str!` converts the supplied string literal to byte string, so non-ASCII
The `Index` implementation on `BStr` was lost when we switched `BStr` from a type alias of `[u8]` to a newtype. This patch adds back `Index` by implementing `Index` for `BStr` when `Index` would be implemented for `[u8]`. Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org> --- rust/kernel/str.rs | 11 +++++++++++ 1 file changed, 11 insertions(+)