From: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
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>,
"Björn 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
Subject: Re: [PATCH v2 05/12] rust: init: make initializer values inaccessible after initializing
Date: Wed, 19 Jul 2023 16:07:56 -0300 [thread overview]
Message-ID: <41d543d4-ab21-d10f-f484-4d5360fed7c2@gmail.com> (raw)
In-Reply-To: <20230719141918.543938-6-benno.lossin@proton.me>
On 7/19/23 11:20, Benno Lossin wrote:
> Previously the init macros would create a local variable with the name
> and hygiene of the field that is being initialized to store the value of
> the field. This would override any user defined variables. For example:
> ```
> struct Foo {
> a: usize,
> b: usize,
> }
> let a = 10;
> let foo = init!(Foo{
> a: a + 1, // This creates a local variable named `a`.
> b: a, // This refers to that variable!
> });
> let foo = Box::init!(foo)?;
> assert_eq!(foo.a, 11);
> assert_eq!(foo.b, 11);
> ```
>
> This patch changes this behavior, so the above code would panic at the
> last assertion, since `b` would have value 10.
>
> Signed-off-by: Benno Lossin <benno.lossin@proton.me>
> ---
> [...]
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
next prev parent reply other threads:[~2023-07-21 0:25 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-19 14:20 [PATCH v2 00/12] Quality of life improvements for pin-init Benno Lossin
2023-07-19 14:20 ` [PATCH v2 01/12] rust: init: consolidate init macros Benno Lossin
2023-07-19 18:37 ` Martin Rodriguez Reboredo
2023-07-20 13:09 ` Alice Ryhl
2023-07-19 14:20 ` [PATCH v2 02/12] rust: add derive macro for `Zeroable` Benno Lossin
2023-07-19 18:42 ` Martin Rodriguez Reboredo
2023-07-20 13:13 ` Alice Ryhl
2023-07-19 14:20 ` [PATCH v2 03/12] rust: init: make guards in the init macros hygienic Benno Lossin
2023-07-19 19:04 ` Martin Rodriguez Reboredo
2023-07-20 13:16 ` Alice Ryhl
2023-07-19 14:20 ` [PATCH v2 04/12] rust: init: wrap type checking struct initializers in a closure Benno Lossin
2023-07-19 19:05 ` Martin Rodriguez Reboredo
2023-07-20 13:17 ` Alice Ryhl
2023-07-19 14:20 ` [PATCH v2 05/12] rust: init: make initializer values inaccessible after initializing Benno Lossin
2023-07-19 19:07 ` Martin Rodriguez Reboredo [this message]
2023-07-20 13:19 ` Alice Ryhl
2023-07-19 14:20 ` [PATCH v2 06/12] rust: init: add `..Zeroable::zeroed()` syntax for zeroing all missing fields Benno Lossin
2023-07-20 13:25 ` Alice Ryhl
2023-07-20 13:51 ` Martin Rodriguez Reboredo
2023-07-19 14:20 ` [PATCH v2 07/12] rust: init: Add functions to create array initializers Benno Lossin
2023-07-20 13:28 ` Alice Ryhl
2023-07-20 13:59 ` Martin Rodriguez Reboredo
2023-07-19 14:21 ` [PATCH v2 08/12] rust: init: add support for arbitrary paths in init macros Benno Lossin
2023-07-20 13:30 ` Alice Ryhl
2023-07-20 14:02 ` Martin Rodriguez Reboredo
2023-07-19 14:21 ` [PATCH v2 09/12] rust: init: implement Zeroable for Opaque<T> Benno Lossin
2023-07-20 13:34 ` Alice Ryhl
2023-07-24 14:16 ` Benno Lossin
2023-07-25 11:57 ` Alice Ryhl
2023-07-29 4:11 ` Benno Lossin
2023-07-29 8:14 ` Alice Ryhl
2023-07-20 14:03 ` Martin Rodriguez Reboredo
2023-07-19 14:21 ` [PATCH v2 10/12] rust: init: make `PinInit<T, E>` a supertrait of `Init<T, E>` Benno Lossin
2023-07-20 13:36 ` Alice Ryhl
2023-07-20 14:07 ` Martin Rodriguez Reboredo
2023-07-19 14:21 ` [PATCH v2 11/12] rust: init: add `{pin_}chain` functions to `{Pin}Init<T, E>` Benno Lossin
2023-07-21 0:23 ` Martin Rodriguez Reboredo
2023-07-24 14:08 ` Benno Lossin
2023-07-24 16:07 ` Martin Rodriguez Reboredo
2023-07-24 21:55 ` Benno Lossin
2023-07-19 14:21 ` [PATCH v2 12/12] rust: init: update expanded macro explanation Benno Lossin
2023-07-21 0:24 ` Martin Rodriguez Reboredo
2023-07-19 15:23 ` [PATCH v2 00/12] Quality of life improvements for pin-init Benno Lossin
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