48 lines
1018 B
Rust
48 lines
1018 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(struct_all)]
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struct A {
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#[pin] //~ ERROR cannot find attribute `pin` in this scope
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f: PhantomPinned,
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}
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#[remove_attr(struct_all)]
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#[pin_project]
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struct B {
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#[pin] //~ ERROR cannot find attribute `pin` in this scope
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f: PhantomPinned,
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}
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#[pin_project] //~ ERROR has been removed
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#[remove_attr(struct_pin)]
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struct C {
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f: PhantomPinned,
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}
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#[remove_attr(struct_pin)]
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#[pin_project] // Ok
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struct D {
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f: PhantomPinned,
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}
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fn main() {
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is_unpin::<A>(); //~ ERROR E0277
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is_unpin::<B>(); //~ ERROR E0277
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is_unpin::<D>(); // Ok
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let mut x = A { f: PhantomPinned };
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let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
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let mut x = B { f: PhantomPinned };
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let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
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let mut x = D { f: PhantomPinned };
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let _ = Pin::new(&mut x).project(); //~ Ok
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}
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