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1f989555fe
Add an `io_project!()` macro to allow projection from `Io` to a subview of it, using the pointer projection mechanism to perform compile-time checks. For cases where type-casting is required, the `try_cast()` function may be used where the size and alignment checks are performed at runtime. Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Gary Guo <gary@garyguo.net> Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com> Link: https://patch.msgid.link/20260706-io_projection-v6-13-72cd5d055d54@garyguo.net Signed-off-by: Danilo Krummrich <dakr@kernel.org>