Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <0f7185dc-51e5-461b-8669-5e1cae550b76@gmail.com>
Date:   Sat, 5 Aug 2023 14:11:51 -0300
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH v3 08/13] rust: init: Add functions to create array
 initializers
Content-Language: en-US
To:     Benno Lossin <benno.lossin@proton.me>,
        Miguel Ojeda <ojeda@kernel.org>,
        Wedson Almeida Filho <wedsonaf@gmail.com>,
        Alex Gaynor <alex.gaynor@gmail.com>
Cc:     Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
        =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>,
        Alice Ryhl <aliceryhl@google.com>,
        Andreas Hindborg <nmi@metaspace.dk>,
        rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
        Asahi Lina <lina@asahilina.net>
References: <20230729090838.225225-1-benno.lossin@proton.me>
 <20230729090838.225225-9-benno.lossin@proton.me>
From:   Martin Rodriguez Reboredo <yakoyoku@gmail.com>
In-Reply-To: <20230729090838.225225-9-benno.lossin@proton.me>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Precedence: bulk

On 7/29/23 06:10, Benno Lossin wrote:
> Add two functions `pin_init_array_from_fn` and `init_array_from_fn` that
> take a function that generates initializers for `T` from usize, the added
> functions then return an initializer for `[T; N]` where every element is
> initialized by an element returned from the generator function.
> 
> Suggested-by: Asahi Lina <lina@asahilina.net>
> Reviewed-by: Björn Roy Baron <bjorn3_gh@protonmail.com>
> Reviewed-by: Alice Ryhl <aliceryhl@google.com>
> Signed-off-by: Benno Lossin <benno.lossin@proton.me>
> ---
> [...]
> +/// Initializes an array by initializing each element via the provided initializer.
> +///
> +/// # Examples
> +///
> +/// ```rust
> +/// use kernel::{error::Error, init::init_array_from_fn};
> +/// let array: Box<[usize; 1_000_000_000]>= Box::init::<Error>(init_array_from_fn(|i| i)).unwrap();
> +/// assert_eq!(array.len(), 1_000_000_000);
> +/// ```

Ahh, nice!

> [...]
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>