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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: "Michael S. Tsirkin" <mst@redhat.com>, qemu-devel@nongnu.org
Cc: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>,
	qemu-rust@nongnu.org
Subject: Re: [PATCH v2] rust: bindings: allow any number of params
Date: Tue, 15 Jul 2025 08:22:44 +0200	[thread overview]
Message-ID: <61709016-a8f9-4670-b5bd-3fb7f6105074@linaro.org> (raw)
In-Reply-To: <e41344bd22248b0883752ef7a7c459090a3d9cfc.1752560127.git.mst@redhat.com>

On 15/7/25 08:15, Michael S. Tsirkin wrote:
> We are going to be adding more parameters, and this makes
> rust unhappy:
>      Functions with lots of parameters are considered bad style and reduce
>      readability (“what does the 5th parameter mean?”). Consider grouping
>      some parameters into a new type.
> 
> Specifically:
> 
> error: this function has too many arguments (8/7)
>      --> /builds/mstredhat/qemu/build/rust/qemu-api/rust-qemu-api-tests.p/structured/bindings.inc.rs:3840:5
>       |
> 3840 | /     pub fn new_bitfield_1(
> 3841 | |         secure: std::os::raw::c_uint,
> 3842 | |         space: std::os::raw::c_uint,
> 3843 | |         user: std::os::raw::c_uint,
> ...    |
> 3848 | |         address_type: std::os::raw::c_uint,
> 3849 | |     ) -> __BindgenBitfieldUnit<[u8; 4usize]> {
>       | |____________________________________________^
>       |
>       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
>       = note: `-D clippy::too-many-arguments` implied by `-D warnings`
>       = help: to override `-D warnings` add `#[allow(clippy::too_many_arguments)]`
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
>   rust/qemu-api/src/bindings.rs | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>



  reply	other threads:[~2025-07-15  6:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-15  6:15 [PATCH v2] rust: bindings: allow any number of params Michael S. Tsirkin
2025-07-15  6:22 ` Philippe Mathieu-Daudé [this message]
2025-07-15  6:44 ` Paolo Bonzini
2025-07-15  7:23 ` Manos Pitsidianakis

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