From: "Benno Lossin" <lossin@kernel.org>
To: "Alice Ryhl" <aliceryhl@google.com>,
"Danilo Krummrich" <dakr@kernel.org>
Cc: "Matthew Maurer" <mmaurer@google.com>,
<rust-for-linux@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 5/7] rust: alloc: add Vec::retain
Date: Wed, 07 May 2025 13:40:25 +0200 [thread overview]
Message-ID: <D9PWEZPNXD2P.39TR3DPNH4J3O@kernel.org> (raw)
In-Reply-To: <20250502-vec-methods-v5-5-06d20ad9366f@google.com>
On Fri May 2, 2025 at 3:19 PM CEST, Alice Ryhl wrote:
> This adds a common Vec method called `retain` that removes all elements
> that don't match a certain condition. Rust Binder uses it to find all
> processes that match a given pid.
>
> The stdlib retain method takes &T rather than &mut T and has a separate
> retain_mut for the &mut T case. However, this is considered an API
> mistake that can't be fixed now due to backwards compatibility. There's
> no reason for us to repeat that mistake.
>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
---
Cheers,
Benno
> ---
> rust/kernel/alloc/kvec.rs | 72 +++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 72 insertions(+)
next prev parent reply other threads:[~2025-05-07 11:40 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-02 13:19 [PATCH v5 0/7] Additional methods for Vec Alice Ryhl
2025-05-02 13:19 ` [PATCH v5 1/7] rust: alloc: add Vec::clear Alice Ryhl
2025-05-02 13:19 ` [PATCH v5 2/7] rust: alloc: add Vec::pop Alice Ryhl
2025-05-07 11:32 ` Benno Lossin
2025-05-02 13:19 ` [PATCH v5 3/7] rust: alloc: add Vec::push_within_capacity Alice Ryhl
2025-05-02 14:07 ` Greg KH
2025-05-02 14:25 ` Alice Ryhl
2025-05-03 11:50 ` Danilo Krummrich
2025-05-07 11:35 ` Benno Lossin
2025-05-02 13:19 ` [PATCH v5 4/7] rust: alloc: add Vec::drain_all Alice Ryhl
2025-05-07 11:37 ` Benno Lossin
2025-05-02 13:19 ` [PATCH v5 5/7] rust: alloc: add Vec::retain Alice Ryhl
2025-05-07 11:40 ` Benno Lossin [this message]
2025-05-02 13:19 ` [PATCH v5 6/7] rust: alloc: add Vec::remove Alice Ryhl
2025-05-03 11:44 ` Danilo Krummrich
2025-05-07 5:30 ` Alexandre Courbot
2025-05-07 5:32 ` Alexandre Courbot
2025-05-07 6:32 ` [PATCH v5 6/7] rust: alloc: add Vec::remove' Alice Ryhl
2025-05-07 11:44 ` [PATCH v5 6/7] rust: alloc: add Vec::remove Benno Lossin
2025-05-08 9:50 ` Alice Ryhl
2025-05-02 13:19 ` [PATCH v5 7/7] rust: alloc: add Vec::insert_within_capacity Alice Ryhl
2025-05-07 11:46 ` Benno Lossin
2025-05-02 14:08 ` [PATCH v5 0/7] Additional methods for Vec Greg KH
2025-05-07 16:46 ` Danilo Krummrich
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