linux-kernel - Re: [PATCH net-next v3 2/8] rust: time: Introduce Delta type

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241017.202452.575883553994137336.fujita.tomonori@gmail.com>
Date: Thu, 17 Oct 2024 20:24:52 +0900 (JST)
From: FUJITA Tomonori <fujita.tomonori@...il.com>
To: me@...enk.dev
Cc: fujita.tomonori@...il.com, netdev@...r.kernel.org,
 rust-for-linux@...r.kernel.org, andrew@...n.ch, hkallweit1@...il.com,
 tmgross@...ch.edu, ojeda@...nel.org, alex.gaynor@...il.com,
 gary@...yguo.net, bjorn3_gh@...tonmail.com, benno.lossin@...ton.me,
 a.hindborg@...sung.com, aliceryhl@...gle.com, anna-maria@...utronix.de,
 frederic@...nel.org, tglx@...utronix.de, arnd@...db.de,
 jstultz@...gle.com, sboyd@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/8] rust: time: Introduce Delta type

On Thu, 17 Oct 2024 12:17:18 +0200
Fiona Behrens <me@...enk.dev> wrote:

>> +/// A span of time.
>> +#[derive(Copy, Clone)]
>
> Could we also derive PartialEq and Eq (maybe also PartialOrd and
> Ord)? Would need that to compare deltas in my LED driver.

Sure, I'll add.

>> +pub struct Delta {
>> +    nanos: i64,
>> +}
>> +
>
> I think all this functions could be const (need from_millis as const
> for LED, but when at it we could probably make all those const?)

I think that making all the from_* methods const fn make sense. I'll
do.