lkml.org 
[lkml]   [2022]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v9 12/27] rust: add `kernel` crate
From
Date


> On Sep 20, 2022, at 6:39 PM, Gary Guo <gary@garyguo.net> wrote:
>
> It should be noted however, atomic context is not something that a
> token can represent. You can only use tokens to restrict what you *can*
> do, but not what you *can't* do. There is no negative reasoning with
> tokens, you can't create a function that can only be called when you
> don't have token.

On the other hand, it ought to be feasible to implement that kind of ’negative reasoning' as a custom lint. It might not work as well as something built into the language, but it should work decently well, and could serve as a prototype for a future built-in feature.
\
 
 \ /
  Last update: 2022-09-21 08:43    [W:0.817 / U:0.696 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site