Re: [PATCH] rust: delete `ForeignOwnable::borrow_mut`

[Martin Rodriguez Reboredo]

On 7/6/23 06:46, Alice Ryhl wrote:
> We discovered that the current design of `borrow_mut` is problematic.
> This patch removes it until a better solution can be found.
>
> Specifically, the current design gives you access to a `&mut T`, which
> lets you change where the `ForeignOwnable` points (e.g., with
> `core::mem::swap`). No upcoming user of this API intended to make that
> possible, making all of them unsound.
>
> Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
> ---
> [...]

Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@xxxxxxxxx>