Messages in this thread | | | From | Miguel Ojeda <> | Date | Tue, 17 Jan 2023 00:32:00 +0100 | Subject | Re: [PATCH v1] rust: alloc: remove the `borrow` module (`ToOwned`, `Cow`) |
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On Tue, Dec 6, 2022 at 2:05 AM <ojeda@kernel.org> wrote: > > From: Miguel Ojeda <ojeda@kernel.org> > > The `Cow` type [1] requires that its generic parameter type implements > the `ToOwned` trait [2], which provides a method to create owned data > from borrowed data, usually by cloning. > > However, it is infallible, and thus in most cases it is not useful for > the kernel. [3] > > Therefore, introduce `cfg(no_borrow)` to remove the `borrow` module > (which contains `ToOwned` and `Cow`) from `alloc`. > > Link: https://doc.rust-lang.org/alloc/borrow/enum.Cow.html [1] > Link: https://doc.rust-lang.org/alloc/borrow/trait.ToOwned.html [2] > Link: https://lore.kernel.org/rust-for-linux/20221204103153.117675b1@GaryWorkstation/ [3] > Cc: Gary Guo <gary@garyguo.net> > Cc: Wedson Almeida Filho <wedsonaf@gmail.com> > Cc: Josh Triplett <josh@joshtriplett.org> > Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Applied to rust-next, thanks all!
Cheers, Miguel
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