Re: [PATCH 6/6] rust: binder: enable `clippy::cast_lossless`

[Alice Ryhl]

On Fri, May 22, 2026 at 07:12:51PM +0200, Tamir Duberstein wrote:
> Before Rust 1.29.0, Clippy introduced the `cast_lossless` lint [1]:
> 
> > Rust's `as` keyword will perform many kinds of conversions, including
> > silently lossy conversions. Conversion functions such as `i32::from`
> > will only perform lossless conversions. Using the conversion functions
> > prevents conversions from becoming silently lossy if the input types
> > ever change, and makes it clear for people reading the code that the
> > conversion is lossless.
> 
> While this does not eliminate unchecked `as` conversions, it makes such
> conversions easier to scrutinize. It also has the slight benefit of
> removing a degree of freedom on which to bikeshed. Thus apply the
> changes and enable the lint in the Binder Rust driver -- no functional
> change intended.
> 
> Link: https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [1]
> Signed-off-by: Tamir Duberstein <tamird@xxxxxxxxxx>

Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>