1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
use pin_project::pin_project; use std::marker::PhantomPinned; #[pin_project] struct Foo<T> { #[pin] inner: T, } struct __Foo {} impl Unpin for __Foo {} fn is_unpin<T: Unpin>() {} fn main() { is_unpin::<Foo<PhantomPinned>>(); //~ ERROR E0277 }