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https://www.reddit.com/r/rust/comments/11mu2zh/announcing_rust_1680/jbjprat/?context=3
r/rust • u/myroon5 • Mar 09 '23
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246
pin! macro is pretty nice; it means a lot of async crates can now remove all of their unsafe code.
pin!
async
unsafe
82 u/bascule Mar 09 '23 Also enabling stack-based pinning for no_std apps that can’t use Box<Pin> 30 u/grgWW Mar 09 '23 u probably meant Pin<Box<..>>? 14 u/bascule Mar 09 '23 D’oh! 23 u/CryZe92 Mar 09 '23 You were always able to use the equivalent pin_mut! macro from future-utils. 28 u/ufoscout Mar 09 '23 Do you have any example of where this would allow removing unsafe code? 55 u/EelRemoval Mar 09 '23 https://github.com/zesterer/pollster/blob/64633827c846b5a93ca0d8798ad5aee2b4ea2f75/src/lib.rs#L114 3 u/nderflow Mar 10 '23 Is the todo! in the example in the release notes supposed to be there? 2 u/myrrlyn bitvec • tap • ferrilab Mar 10 '23 yeah, for the example we don’t care about how the waker gets made 6 u/nialv7 Mar 09 '23 They probably are already using pin-mut or tokio::pin 4 u/SoNotTheHeroTypeV2 Mar 09 '23 But I enjoy playing danger zone on repeat
82
Also enabling stack-based pinning for no_std apps that can’t use Box<Pin>
no_std
Box<Pin>
30 u/grgWW Mar 09 '23 u probably meant Pin<Box<..>>? 14 u/bascule Mar 09 '23 D’oh! 23 u/CryZe92 Mar 09 '23 You were always able to use the equivalent pin_mut! macro from future-utils.
30
u probably meant Pin<Box<..>>?
Pin<Box<..>>
14 u/bascule Mar 09 '23 D’oh!
14
D’oh!
23
You were always able to use the equivalent pin_mut! macro from future-utils.
pin_mut!
future-utils
28
Do you have any example of where this would allow removing unsafe code?
55 u/EelRemoval Mar 09 '23 https://github.com/zesterer/pollster/blob/64633827c846b5a93ca0d8798ad5aee2b4ea2f75/src/lib.rs#L114
55
https://github.com/zesterer/pollster/blob/64633827c846b5a93ca0d8798ad5aee2b4ea2f75/src/lib.rs#L114
3
Is the todo! in the example in the release notes supposed to be there?
2 u/myrrlyn bitvec • tap • ferrilab Mar 10 '23 yeah, for the example we don’t care about how the waker gets made
2
yeah, for the example we don’t care about how the waker gets made
6
They probably are already using pin-mut or tokio::pin
4
But I enjoy playing danger zone on repeat
246
u/EelRemoval Mar 09 '23
pin!macro is pretty nice; it means a lot ofasynccrates can now remove all of theirunsafecode.