Re: [PATCH] rust: time: New module for timekeeping functions

From: Thomas Gleixner
Date: Tue Feb 21 2023 - 19:02:02 EST


On Tue, Feb 21 2023 at 21:33, Heghedus Razvan wrote:
> On Tuesday, February 21st, 2023 at 8:45 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>> That's the same the Rust std time semantics:
>>
>> Duration = Instance - Instance valid
>> Duration = Systemtime - SystemTime valid
>> Duration = Systemtime - Instance invalid
>>
>> No?
>>
> I agree with Thomas on this one. The Rust type system is really
> powerful and we should take advantage of it. Time deltas can be
> enforced to be from the same clock at compile time. Just for the sake
> of it, I wrote a small example on how this can be achieve:
> https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=1d0f70bb5329b181f203ce7270e2957a

Cute. This code makes even sense to Rustagnostics like me.

Thanks,

tglx