This crate provides the IntoPin
trait. IntoPin
is powerfull for creating coerced, pinned references.
#![feature(pin)]
extern crate pinpoint;
use std::pin::Pin;
use pinpoint::IntoPin;
fn example<'a, P>(item: P)
where
P: IntoPin<&'a mut [u8]>
{
let mut pin: Pin<&mut [u8]> = item.into_pin();
pin.reverse();
}
let mut v = vec![1, 2, 3, 4];
example(&mut v);
assert_eq!(v, [4, 3, 2, 1]);
let mut b: Box<[u8]> = Box::new([4, 3, 2, 1]);
example(&mut b);
assert_eq!(*b, [1, 2, 3, 4]);