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use pin_project::pin_project;
use std::marker::PhantomPinned;
struct Inner<T> {
val: T,
}
#[pin_project]
struct Foo<T, U> {
#[pin]
inner: Inner<T>,
other: U,
}
#[pin_project]
struct TrivialBounds {
#[pin]
field1: PhantomPinned,
}
#[pin_project]
struct Bar<'a, T, U> {
#[pin]
inner: &'a mut Inner<T>,
other: U,
}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<Foo<PhantomPinned, ()>>(); //~ ERROR E0277
is_unpin::<Foo<(), PhantomPinned>>(); // Ok
is_unpin::<Foo<PhantomPinned, PhantomPinned>>(); //~ ERROR E0277
is_unpin::<TrivialBounds>(); //~ ERROR E0277
is_unpin::<Bar<'_, PhantomPinned, PhantomPinned>>(); // Ok
}
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