34 lines
648 B
Rust
34 lines
648 B
Rust
use std::{marker::PhantomPinned, pin::Pin};
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use auxiliary_macro::remove_attr;
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use pin_project::pin_project;
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fn is_unpin<T: Unpin>() {}
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#[pin_project]
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#[remove_attr(field_all)]
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struct A {
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#[pin]
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f: PhantomPinned,
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}
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#[remove_attr(field_all)]
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#[pin_project]
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struct B {
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#[pin]
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f: PhantomPinned,
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}
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fn main() {
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is_unpin::<A>();
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is_unpin::<B>();
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let mut x = A { f: PhantomPinned };
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let x = Pin::new(&mut x).project();
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let _: Pin<&mut PhantomPinned> = x.f; //~ ERROR E0308
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let mut x = B { f: PhantomPinned };
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let x = Pin::new(&mut x).project();
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let _: Pin<&mut PhantomPinned> = x.f; //~ ERROR E0308
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}
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