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Message-ID: <CANiq72ktW2=JCi3YzyrAd=_RioaWGZSyDusMU2f92_aL3tgvUA@mail.gmail.com>
Date:   Mon, 14 Nov 2022 19:22:02 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Wei Liu <wei.liu@...nel.org>
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        patches@...ts.linux.dev
Subject: Re: [PATCH v1 25/28] rust: add `build_error` crate

On Mon, Nov 14, 2022 at 3:30 PM Wei Liu <wei.liu@...nel.org> wrote:
>
> a const function `build_error`
>
> Without this I read it as a "normal non-const function".

Sounds good to me, especially given the sentence that goes after that.

(I think "function" does not imply one or the other in principle. To
me, `const` ones are normal too, in the sense that they can be used as
any other function.)

> I can work out what the code does, but I also happen to know what Rust's
> const means and its behaviour in non-const context. Other kernel
> developers may not. Even so the description is a bit difficult for me to
> parse.
>
> Maybe a few sentences about const and its behaviours can help?

Not sure if we should explain language details in the documentation of
particular functions. But I agree this case is a bit special.

What about linking the Rust reference/book/... (so that those terms
are clickable when rendered)?

Thanks a lot for the reviews, Wei!

Cheers,
Miguel

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