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// edition:2021
use core::marker::PhantomPinned;
use core::mem::{drop as stuff, transmute};
use core::pin::{Pin, pin};
#[test]
fn basic() {
let it: Pin<&mut PhantomPinned> = pin!(PhantomPinned);
stuff(it);
}
#[test]
fn extension_works_through_block() {
let it: Pin<&mut PhantomPinned> = { pin!(PhantomPinned) };
stuff(it);
}
#[test]
fn extension_works_through_unsafe_block() {
// "retro-type-inference" works as well.
let it: Pin<&mut PhantomPinned> = unsafe { pin!(transmute(())) };
stuff(it);
}
#[test]
fn unsize_coercion() {
let slice: Pin<&mut [PhantomPinned]> = pin!([PhantomPinned; 2]);
stuff(slice);
let dyn_obj: Pin<&mut dyn Send> = pin!([PhantomPinned; 2]);
stuff(dyn_obj);
}
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