更新libclamav库1.0.0版本

This commit is contained in:
2023-01-14 18:28:39 +08:00
parent b879ee0b2e
commit 45fe15f472
8531 changed files with 1222046 additions and 177272 deletions

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@@ -0,0 +1,11 @@
use std::pin::Pin;
#[cfg_attr(any(), pin_project::pin_project)]
struct Foo<T> {
f: T,
}
fn main() {
let mut x = Foo { f: 0_u8 };
let _ = Pin::new(&mut x).project(); //~ ERROR E0599
}

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@@ -0,0 +1,5 @@
error[E0599]: no method named `project` found for struct `Pin<&mut Foo<u8>>` in the current scope
--> tests/ui/cfg/cfg_attr-resolve.rs:10:30
|
10 | let _ = Pin::new(&mut x).project(); //~ ERROR E0599
| ^^^^^^^ method not found in `Pin<&mut Foo<u8>>`

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@@ -0,0 +1,25 @@
use std::pin::Pin;
use pin_project::pin_project;
#[cfg_attr(not(any()), pin_project)]
struct Foo<T> {
#[cfg_attr(any(), pin)]
f: T,
}
#[cfg_attr(not(any()), pin_project)]
struct Bar<T> {
#[cfg_attr(not(any()), pin)]
f: T,
}
fn main() {
let mut x = Foo { f: 0_u8 };
let x = Pin::new(&mut x).project();
let _: Pin<&mut u8> = x.f; //~ ERROR E0308
let mut x = Bar { f: 0_u8 };
let x = Pin::new(&mut x).project();
let _: &mut u8 = x.f; //~ ERROR E0308
}

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@@ -0,0 +1,23 @@
error[E0308]: mismatched types
--> tests/ui/cfg/cfg_attr-type-mismatch.rs:20:27
|
20 | let _: Pin<&mut u8> = x.f; //~ ERROR E0308
| ------------ ^^^ expected struct `Pin`, found `&mut u8`
| |
| expected due to this
|
= note: expected struct `Pin<&mut u8>`
found mutable reference `&mut u8`
error[E0308]: mismatched types
--> tests/ui/cfg/cfg_attr-type-mismatch.rs:24:22
|
24 | let _: &mut u8 = x.f; //~ ERROR E0308
| ------- ^^^
| | |
| | expected `&mut u8`, found struct `Pin`
| | help: consider mutably borrowing here: `&mut x.f`
| expected due to this
|
= note: expected mutable reference `&mut u8`
found struct `Pin<&mut u8>`

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@@ -0,0 +1,15 @@
use auxiliary_macro::hidden_repr;
use pin_project::pin_project;
#[pin_project]
#[hidden_repr(packed)] //~ ERROR may not be used on #[repr(packed)] types
struct S {
#[cfg(not(any()))]
#[pin]
f: u32,
#[cfg(any())]
#[pin]
f: u8,
}
fn main() {}

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@@ -0,0 +1,5 @@
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/cfg/packed_sneaky-span-issue-1.rs:5:15
|
5 | #[hidden_repr(packed)] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^

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@@ -0,0 +1,15 @@
use auxiliary_macro::hidden_repr;
use pin_project::pin_project;
#[pin_project]
#[hidden_repr(packed)] //~ ERROR may not be used on #[repr(packed)] types
struct S {
#[cfg(any())]
#[pin]
f: u32,
#[cfg(not(any()))]
#[pin]
f: u8,
}
fn main() {}

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@@ -0,0 +1,5 @@
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/cfg/packed_sneaky-span-issue-2.rs:5:15
|
5 | #[hidden_repr(packed)] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^

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@@ -0,0 +1,12 @@
use auxiliary_macro::hidden_repr_cfg_not_any;
use pin_project::pin_project;
// `#[hidden_repr_cfg_not_any(packed)]` generates `#[cfg_attr(not(any()), repr(packed))]`.
#[pin_project]
#[hidden_repr_cfg_not_any(packed)] //~ ERROR may not be used on #[repr(packed)] types
struct S {
#[pin]
f: u32,
}
fn main() {}

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@@ -0,0 +1,5 @@
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/cfg/packed_sneaky.rs:6:27
|
6 | #[hidden_repr_cfg_not_any(packed)] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^

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@@ -0,0 +1,11 @@
use pin_project::pin_project;
#[pin_project]
struct S {
//~^ ERROR may not be used on structs with zero fields
#[cfg(any())]
#[pin]
f: u8,
}
fn main() {}

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@@ -0,0 +1,11 @@
error: #[pin_project] attribute may not be used on structs with zero fields
--> tests/ui/cfg/unsupported.rs:4:10
|
4 | struct S {
| __________^
5 | | //~^ ERROR may not be used on structs with zero fields
6 | | #[cfg(any())]
7 | | #[pin]
8 | | f: u8,
9 | | }
| |_^

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@@ -0,0 +1,30 @@
use pin_project::pin_project;
#[pin_project(!Unpin)] //~ ERROR E0119
struct Foo<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T, U> Unpin for Foo<T, U> where T: Unpin {}
#[pin_project(!Unpin)] //~ ERROR E0119
struct Bar<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T, U> Unpin for Bar<T, U> {}
#[pin_project(!Unpin)] //~ ERROR E0119
struct Baz<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {}
fn main() {}

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@@ -0,0 +1,26 @@
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Foo<_, _>`
--> tests/ui/not_unpin/conflict-unpin.rs:3:15
|
3 | #[pin_project(!Unpin)] //~ ERROR E0119
| ^^^^^^ conflicting implementation for `Foo<_, _>`
...
10 | impl<T, U> Unpin for Foo<T, U> where T: Unpin {}
| ------------------------------ first implementation here
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Bar<_, _>`
--> tests/ui/not_unpin/conflict-unpin.rs:12:15
|
12 | #[pin_project(!Unpin)] //~ ERROR E0119
| ^^^^^^ conflicting implementation for `Bar<_, _>`
...
19 | impl<T, U> Unpin for Bar<T, U> {}
| ------------------------------ first implementation here
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Baz<_, _>`
--> tests/ui/not_unpin/conflict-unpin.rs:21:15
|
21 | #[pin_project(!Unpin)] //~ ERROR E0119
| ^^^^^^ conflicting implementation for `Baz<_, _>`
...
28 | impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {}
| -------------------------------------------- first implementation here

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@@ -0,0 +1,30 @@
use pin_project::{pin_project, UnsafeUnpin};
#[pin_project(!Unpin)] //~ ERROR E0119
struct Foo<T, U> {
#[pin]
f1: T,
f2: U,
}
unsafe impl<T, U> UnsafeUnpin for Foo<T, U> where T: Unpin {}
#[pin_project(!Unpin)] //~ ERROR E0119
struct Bar<T, U> {
#[pin]
f1: T,
f2: U,
}
unsafe impl<T, U> UnsafeUnpin for Bar<T, U> {}
#[pin_project(!Unpin)] //~ ERROR E0119
struct Baz<T, U> {
#[pin]
f1: T,
f2: U,
}
unsafe impl<T: Unpin, U: Unpin> UnsafeUnpin for Baz<T, U> {}
fn main() {}

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@@ -0,0 +1,32 @@
error[E0119]: conflicting implementations of trait `_::_pin_project::UnsafeUnpin` for type `Foo<_, _>`
--> tests/ui/not_unpin/impl-unsafe-unpin.rs:3:1
|
3 | #[pin_project(!Unpin)] //~ ERROR E0119
| ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Foo<_, _>`
...
10 | unsafe impl<T, U> UnsafeUnpin for Foo<T, U> where T: Unpin {}
| ------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `_::_pin_project::UnsafeUnpin` for type `Bar<_, _>`
--> tests/ui/not_unpin/impl-unsafe-unpin.rs:12:1
|
12 | #[pin_project(!Unpin)] //~ ERROR E0119
| ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Bar<_, _>`
...
19 | unsafe impl<T, U> UnsafeUnpin for Bar<T, U> {}
| ------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `_::_pin_project::UnsafeUnpin` for type `Baz<_, _>`
--> tests/ui/not_unpin/impl-unsafe-unpin.rs:21:1
|
21 | #[pin_project(!Unpin)] //~ ERROR E0119
| ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Baz<_, _>`
...
28 | unsafe impl<T: Unpin, U: Unpin> UnsafeUnpin for Baz<T, U> {}
| --------------------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,20 @@
use std::marker::PhantomPinned;
use auxiliary_macro::add_pin_attr;
use pin_project::pin_project;
#[pin_project]
#[add_pin_attr(struct)] //~ ERROR duplicate #[pin] attribute
struct Foo {
#[pin]
f: PhantomPinned,
}
#[add_pin_attr(struct)] //~ ERROR #[pin] attribute may only be used on fields of structs or variants
#[pin_project]
struct Bar {
#[pin]
f: PhantomPinned,
}
fn main() {}

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@@ -0,0 +1,15 @@
error: duplicate #[pin] attribute
--> tests/ui/pin_project/add-attr-to-struct.rs:7:1
|
7 | #[add_pin_attr(struct)] //~ ERROR duplicate #[pin] attribute
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `add_pin_attr` (in Nightly builds, run with -Z macro-backtrace for more info)
error: #[pin] attribute may only be used on fields of structs or variants
--> tests/ui/pin_project/add-attr-to-struct.rs:13:1
|
13 | #[add_pin_attr(struct)] //~ ERROR #[pin] attribute may only be used on fields of structs or variants
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `add_pin_attr` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,23 @@
use auxiliary_macro::add_pinned_field;
use pin_project::pin_project;
fn is_unpin<T: Unpin>() {}
#[pin_project]
#[add_pinned_field]
struct Foo {
#[pin]
f: u32,
}
#[add_pinned_field]
#[pin_project]
struct Bar {
#[pin]
f: u32,
}
fn main() {
is_unpin::<Foo>(); //~ ERROR E0277
is_unpin::<Bar>(); //~ ERROR E0277
}

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@@ -0,0 +1,52 @@
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/add-pinned-field.rs:21:5
|
21 | is_unpin::<Foo>(); //~ ERROR E0277
| ^^^^^^^^^^^^^^^ within `__Foo<'_>`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `__Foo<'_>`
--> tests/ui/pin_project/add-pinned-field.rs:8:8
|
8 | struct Foo {
| ^^^
note: required because of the requirements on the impl of `Unpin` for `Foo`
--> tests/ui/pin_project/add-pinned-field.rs:6:1
|
6 | #[pin_project]
| ^^^^^^^^^^^^^^
7 | #[add_pinned_field]
8 | struct Foo {
| ^^^
note: required by a bound in `is_unpin`
--> tests/ui/pin_project/add-pinned-field.rs:4:16
|
4 | fn is_unpin<T: Unpin>() {}
| ^^^^^ required by this bound in `is_unpin`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/add-pinned-field.rs:22:5
|
22 | is_unpin::<Bar>(); //~ ERROR E0277
| ^^^^^^^^^^^^^^^ within `__Bar<'_>`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `__Bar<'_>`
--> tests/ui/pin_project/add-pinned-field.rs:15:8
|
15 | struct Bar {
| ^^^
note: required because of the requirements on the impl of `Unpin` for `Bar`
--> tests/ui/pin_project/add-pinned-field.rs:14:1
|
14 | #[pin_project]
| ^^^^^^^^^^^^^^
15 | struct Bar {
| ^^^
note: required by a bound in `is_unpin`
--> tests/ui/pin_project/add-pinned-field.rs:4:16
|
4 | fn is_unpin<T: Unpin>() {}
| ^^^^^ required by this bound in `is_unpin`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,32 @@
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project] //~ ERROR E0119
struct Foo<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T, U> Drop for Foo<T, U> {
fn drop(&mut self) {}
}
#[pin_project(PinnedDrop)] //~ ERROR E0119
struct Bar<T, U> {
#[pin]
f1: T,
f2: U,
}
#[pinned_drop]
impl<T, U> PinnedDrop for Bar<T, U> {
fn drop(self: Pin<&mut Self>) {}
}
impl<T, U> Drop for Bar<T, U> {
fn drop(&mut self) {}
}
fn main() {}

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@@ -0,0 +1,19 @@
error[E0119]: conflicting implementations of trait `_::FooMustNotImplDrop` for type `Foo<_, _>`
--> tests/ui/pin_project/conflict-drop.rs:5:1
|
5 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^
| |
| first implementation here
| conflicting implementation for `Foo<_, _>`
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `std::ops::Drop` for type `Bar<_, _>`
--> tests/ui/pin_project/conflict-drop.rs:16:15
|
16 | #[pin_project(PinnedDrop)] //~ ERROR E0119
| ^^^^^^^^^^ conflicting implementation for `Bar<_, _>`
...
28 | impl<T, U> Drop for Bar<T, U> {
| ----------------------------- first implementation here

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@@ -0,0 +1,37 @@
use pin_project::pin_project;
// The same implementation.
#[pin_project] //~ ERROR E0119
struct Foo<T, U> {
#[pin]
f1: T,
f2: U,
}
// conflicting implementations
impl<T, U> Unpin for Foo<T, U> where T: Unpin {} // Conditional Unpin impl
// The implementation that under different conditions.
#[pin_project] //~ ERROR E0119
struct Bar<T, U> {
#[pin]
f1: T,
f2: U,
}
// conflicting implementations
impl<T, U> Unpin for Bar<T, U> {} // Non-conditional Unpin impl
#[pin_project] //~ ERROR E0119
struct Baz<T, U> {
#[pin]
f1: T,
f2: U,
}
// conflicting implementations
impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl
fn main() {}

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@@ -0,0 +1,32 @@
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Foo<_, _>`
--> tests/ui/pin_project/conflict-unpin.rs:5:1
|
5 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Foo<_, _>`
...
13 | impl<T, U> Unpin for Foo<T, U> where T: Unpin {} // Conditional Unpin impl
| ------------------------------ first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Bar<_, _>`
--> tests/ui/pin_project/conflict-unpin.rs:17:1
|
17 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Bar<_, _>`
...
25 | impl<T, U> Unpin for Bar<T, U> {} // Non-conditional Unpin impl
| ------------------------------ first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Baz<_, _>`
--> tests/ui/pin_project/conflict-unpin.rs:27:1
|
27 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Baz<_, _>`
...
35 | impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl
| -------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,30 @@
use pin_project::{pin_project, UnsafeUnpin};
#[pin_project] //~ ERROR E0119
struct Foo<T, U> {
#[pin]
f1: T,
f2: U,
}
unsafe impl<T, U> UnsafeUnpin for Foo<T, U> where T: Unpin {}
#[pin_project] //~ ERROR E0119
struct Bar<T, U> {
#[pin]
f1: T,
f2: U,
}
unsafe impl<T, U> UnsafeUnpin for Bar<T, U> {}
#[pin_project] //~ ERROR E0119
struct Baz<T, U> {
#[pin]
f1: T,
f2: U,
}
unsafe impl<T: Unpin, U: Unpin> UnsafeUnpin for Baz<T, U> {}
fn main() {}

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@@ -0,0 +1,32 @@
error[E0119]: conflicting implementations of trait `_::_pin_project::UnsafeUnpin` for type `Foo<_, _>`
--> tests/ui/pin_project/impl-unsafe-unpin.rs:3:1
|
3 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Foo<_, _>`
...
10 | unsafe impl<T, U> UnsafeUnpin for Foo<T, U> where T: Unpin {}
| ------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `_::_pin_project::UnsafeUnpin` for type `Bar<_, _>`
--> tests/ui/pin_project/impl-unsafe-unpin.rs:12:1
|
12 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Bar<_, _>`
...
19 | unsafe impl<T, U> UnsafeUnpin for Bar<T, U> {}
| ------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0119]: conflicting implementations of trait `_::_pin_project::UnsafeUnpin` for type `Baz<_, _>`
--> tests/ui/pin_project/impl-unsafe-unpin.rs:21:1
|
21 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Baz<_, _>`
...
28 | unsafe impl<T: Unpin, U: Unpin> UnsafeUnpin for Baz<T, U> {}
| --------------------------------------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,30 @@
/// Only named projected types can be imported.
/// See visibility.rs for named projected types.
mod pub_ {
use pin_project::pin_project;
#[pin_project]
pub struct Default(());
#[pin_project(project_replace)]
pub struct Replace(());
}
#[allow(unused_imports)]
pub mod use_ {
#[rustfmt::skip]
use crate::pub_::__DefaultProjection; //~ ERROR E0432
#[rustfmt::skip]
use crate::pub_::__DefaultProjectionRef; //~ ERROR E0432
#[rustfmt::skip]
use crate::pub_::__ReplaceProjection; //~ ERROR E0432
#[rustfmt::skip]
use crate::pub_::__ReplaceProjectionOwned; //~ ERROR E0432
#[rustfmt::skip]
use crate::pub_::__ReplaceProjectionRef; //~ ERROR E0432
// Confirm that the visibility of the original type is not changed.
pub use crate::pub_::{Default, Replace};
}
fn main() {}

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@@ -0,0 +1,29 @@
error[E0432]: unresolved import `crate::pub_::__DefaultProjection`
--> tests/ui/pin_project/import_unnamed.rs:16:9
|
16 | use crate::pub_::__DefaultProjection; //~ ERROR E0432
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `__DefaultProjection` in `pub_`
error[E0432]: unresolved import `crate::pub_::__DefaultProjectionRef`
--> tests/ui/pin_project/import_unnamed.rs:18:9
|
18 | use crate::pub_::__DefaultProjectionRef; //~ ERROR E0432
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `__DefaultProjectionRef` in `pub_`
error[E0432]: unresolved import `crate::pub_::__ReplaceProjection`
--> tests/ui/pin_project/import_unnamed.rs:20:9
|
20 | use crate::pub_::__ReplaceProjection; //~ ERROR E0432
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `__ReplaceProjection` in `pub_`
error[E0432]: unresolved import `crate::pub_::__ReplaceProjectionOwned`
--> tests/ui/pin_project/import_unnamed.rs:22:9
|
22 | use crate::pub_::__ReplaceProjectionOwned; //~ ERROR E0432
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `__ReplaceProjectionOwned` in `pub_`
error[E0432]: unresolved import `crate::pub_::__ReplaceProjectionRef`
--> tests/ui/pin_project/import_unnamed.rs:24:9
|
24 | use crate::pub_::__ReplaceProjectionRef; //~ ERROR E0432
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `__ReplaceProjectionRef` in `pub_`

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@@ -0,0 +1,280 @@
mod pin_argument {
use pin_project::pin_project;
#[pin_project]
struct Struct {
#[pin()] //~ ERROR unexpected token
f: (),
}
#[pin_project]
struct TupleStruct(#[pin(foo)] ()); //~ ERROR unexpected token
#[pin_project]
enum EnumTuple {
V(#[pin(foo)] ()), //~ ERROR unexpected token
}
#[pin_project]
enum EnumStruct {
V {
#[pin(foo)] //~ ERROR unexpected token
f: (),
},
}
}
mod pin_attribute {
use pin_project::pin_project;
#[pin_project]
struct DuplicateStruct {
#[pin]
#[pin] //~ ERROR duplicate #[pin] attribute
f: (),
}
#[pin_project]
struct DuplicateTupleStruct(
#[pin]
#[pin]
(),
//~^^ ERROR duplicate #[pin] attribute
);
#[pin_project]
enum DuplicateEnumTuple {
V(
#[pin]
#[pin]
(),
//~^^ ERROR duplicate #[pin] attribute
),
}
#[pin_project]
enum DuplicateEnumStruct {
V {
#[pin]
#[pin] //~ ERROR duplicate #[pin] attribute
f: (),
},
}
}
mod pin_item {
use pin_project::pin_project;
#[pin_project]
#[pin] //~ ERROR may only be used on fields of structs or variants
struct Struct {
#[pin]
f: (),
}
#[pin_project]
enum Variant {
#[pin] //~ ERROR may only be used on fields of structs or variants
V(()),
}
#[pin_project]
#[pin] //~ ERROR may only be used on fields of structs or variants
enum Enum {
V(()),
}
}
mod pin_project_argument {
use pin_project::pin_project;
#[pin_project(Replace)] //~ ERROR `Replace` argument was removed, use `project_replace` argument instead
struct RemovedReplace(#[pin] ());
#[pin_project(UnsafeUnpin,,)] //~ ERROR expected identifier
struct Unexpected1(#[pin] ());
#[pin_project(Foo)] //~ ERROR unexpected argument
struct Unexpected2(#[pin] ());
#[pin_project(,UnsafeUnpin)] //~ ERROR expected identifier
struct Unexpected3(#[pin] ());
#[pin_project()] // Ok
struct Unexpected4(#[pin] ());
#[pin_project(PinnedDrop PinnedDrop)] //~ ERROR expected `,`
struct Unexpected5(#[pin] ());
#[pin_project(PinnedDrop, PinnedDrop)] //~ ERROR duplicate `PinnedDrop` argument
struct DuplicatePinnedDrop(#[pin] ());
#[pin_project(UnsafeUnpin, UnsafeUnpin)] //~ ERROR duplicate `UnsafeUnpin` argument
struct DuplicateUnsafeUnpin(#[pin] ());
#[pin_project(!Unpin, !Unpin)] //~ ERROR duplicate `!Unpin` argument
struct DuplicateNotUnpin(#[pin] ());
#[pin_project(PinnedDrop, UnsafeUnpin, UnsafeUnpin)] //~ ERROR duplicate `UnsafeUnpin` argument
struct Duplicate3(#[pin] ());
#[pin_project(PinnedDrop, UnsafeUnpin, PinnedDrop, UnsafeUnpin)] //~ ERROR duplicate `PinnedDrop` argument
struct Duplicate4(#[pin] ());
#[pin_project(project = A, project = B)] //~ ERROR duplicate `project` argument
struct DuplicateProject(#[pin] ());
#[pin_project(project = A, project_ref = A, project = B)] //~ ERROR duplicate `project` argument
struct DuplicateProject2(#[pin] ());
#[pin_project(project_ref = A, project_ref = B)] //~ ERROR duplicate `project_ref` argument
struct DuplicateProjectRef(#[pin] ());
#[pin_project(project_replace = A, project_replace = B)] //~ ERROR duplicate `project_replace` argument
struct DuplicateProjectReplace1(#[pin] ());
#[pin_project(project_replace, project_replace = B)] //~ ERROR duplicate `project_replace` argument
struct DuplicateProjectReplace2(#[pin] ());
#[pin_project(project_replace = A, project_replace)] //~ ERROR duplicate `project_replace` argument
struct DuplicateProjectReplace3(#[pin] ());
#[pin_project(project_replace = A)] // Ok
struct ProjectReplaceWithoutReplace(#[pin] ());
#[pin_project(PinnedDrop, project_replace)] //~ ERROR arguments `PinnedDrop` and `project_replace` are mutually exclusive
struct PinnedDropWithProjectReplace1(#[pin] ());
#[pin_project(project_replace, UnsafeUnpin, PinnedDrop)] //~ ERROR arguments `PinnedDrop` and `project_replace` are mutually exclusive
struct PinnedDropWithProjectReplace2(#[pin] ());
#[pin_project(UnsafeUnpin, !Unpin)] //~ ERROR arguments `UnsafeUnpin` and `!Unpin` are mutually exclusive
struct UnsafeUnpinWithNotUnpin1(#[pin] ());
#[pin_project(!Unpin, PinnedDrop, UnsafeUnpin)] //~ ERROR arguments `UnsafeUnpin` and `!Unpin` are mutually exclusive
struct UnsafeUnpinWithNotUnpin2(#[pin] ());
#[pin_project(!)] //~ ERROR expected `!Unpin`, found `!`
struct NotUnpin1(#[pin] ());
#[pin_project(Unpin)] //~ ERROR unexpected argument
struct NotUnpin2(#[pin] ());
#[pin_project(project)] //~ ERROR expected `project = <identifier>`, found `project`
struct Project1(#[pin] ());
#[pin_project(project = )] //~ ERROR expected `project = <identifier>`, found `project =`
struct Project2(#[pin] ());
#[pin_project(project = !)] //~ ERROR expected identifier
struct Project3(#[pin] ());
#[pin_project(project_ref)] //~ ERROR expected `project_ref = <identifier>`, found `project_ref`
struct ProjectRef1(#[pin] ());
#[pin_project(project_ref = )] //~ ERROR expected `project_ref = <identifier>`, found `project_ref =`
struct ProjectRef2(#[pin] ());
#[pin_project(project_ref = !)] //~ ERROR expected identifier
struct ProjectRef3(#[pin] ());
#[pin_project(project_replace)] // Ok
struct ProjectReplace1(#[pin] ());
#[pin_project(project_replace = )] //~ ERROR expected `project_replace = <identifier>`, found `project_replace =`
struct ProjectReplace2(#[pin] ());
#[pin_project(project_replace = !)] //~ ERROR expected identifier
struct ProjectReplace3(#[pin] ());
#[pin_project(project_replace)] //~ ERROR `project_replace` argument requires a value when used on enums
enum ProjectReplaceEnum {
V(#[pin] ()),
}
}
mod pin_project_conflict_naming {
use pin_project::pin_project;
#[pin_project(project = OrigAndProj)] //~ ERROR name `OrigAndProj` is the same as the original type name
struct OrigAndProj(#[pin] ());
#[pin_project(project_ref = OrigAndProjRef)] //~ ERROR name `OrigAndProjRef` is the same as the original type name
struct OrigAndProjRef(#[pin] ());
#[pin_project(project_replace = OrigAndProjOwn)] //~ ERROR name `OrigAndProjOwn` is the same as the original type name
struct OrigAndProjOwn(#[pin] ());
#[pin_project(project = A, project_ref = A)] //~ ERROR name `A` is already specified by `project` argument
struct ProjAndProjRef(#[pin] ());
#[pin_project(project = A, project_replace = A)] //~ ERROR name `A` is already specified by `project` argument
struct ProjAndProjOwn(#[pin] ());
#[pin_project(project_ref = A, project_replace = A)] //~ ERROR name `A` is already specified by `project_ref` argument
struct ProjRefAndProjOwn(#[pin] ());
}
mod pin_project_attribute {
use pin_project::pin_project;
#[pin_project]
#[pin_project] //~ ERROR duplicate #[pin_project] attribute
struct Duplicate(#[pin] ());
}
mod pin_project_item {
use pin_project::pin_project;
#[pin_project]
struct Struct {} //~ ERROR may not be used on structs with zero fields
#[pin_project]
struct TupleStruct(); //~ ERROR may not be used on structs with zero fields
#[pin_project]
struct UnitStruct; //~ ERROR may not be used on structs with zero fields
#[pin_project]
enum EnumEmpty {} //~ ERROR may not be used on enums without variants
#[pin_project]
enum EnumDiscriminant {
V = 2, //~ ERROR may not be used on enums with discriminants
}
#[pin_project]
enum EnumZeroFields {
Unit, //~ ERROR may not be used on enums with zero fields
Tuple(),
Struct {},
}
#[pin_project]
union Union {
//~^ ERROR may only be used on structs or enums
f: (),
}
#[pin_project]
impl Impl {} //~ ERROR may only be used on structs or enums
}
// #[repr(packed)] is always detected first, even on unsupported structs.
mod pin_project_item_packed {
use pin_project::pin_project;
#[pin_project]
#[repr(packed)]
struct Struct {} //~ ERROR may not be used on #[repr(packed)] types
#[pin_project]
#[repr(packed)]
struct TupleStruct(); //~ ERROR may not be used on #[repr(packed)] types
#[pin_project]
#[repr(packed)]
struct UnitStruct; //~ ERROR may not be used on #[repr(packed)] types
}
fn main() {}

View File

@@ -0,0 +1,364 @@
error: unexpected token: `()`
--> tests/ui/pin_project/invalid.rs:6:14
|
6 | #[pin()] //~ ERROR unexpected token
| ^^
error: unexpected token: `(foo)`
--> tests/ui/pin_project/invalid.rs:11:29
|
11 | struct TupleStruct(#[pin(foo)] ()); //~ ERROR unexpected token
| ^^^^^
error: unexpected token: `(foo)`
--> tests/ui/pin_project/invalid.rs:15:16
|
15 | V(#[pin(foo)] ()), //~ ERROR unexpected token
| ^^^^^
error: unexpected token: `(foo)`
--> tests/ui/pin_project/invalid.rs:21:18
|
21 | #[pin(foo)] //~ ERROR unexpected token
| ^^^^^
error: duplicate #[pin] attribute
--> tests/ui/pin_project/invalid.rs:33:9
|
33 | #[pin] //~ ERROR duplicate #[pin] attribute
| ^^^^^^
error: duplicate #[pin] attribute
--> tests/ui/pin_project/invalid.rs:40:9
|
40 | #[pin]
| ^^^^^^
error: duplicate #[pin] attribute
--> tests/ui/pin_project/invalid.rs:49:13
|
49 | #[pin]
| ^^^^^^
error: duplicate #[pin] attribute
--> tests/ui/pin_project/invalid.rs:59:13
|
59 | #[pin] //~ ERROR duplicate #[pin] attribute
| ^^^^^^
error: #[pin] attribute may only be used on fields of structs or variants
--> tests/ui/pin_project/invalid.rs:69:5
|
69 | #[pin] //~ ERROR may only be used on fields of structs or variants
| ^^^^^^
error: #[pin] attribute may only be used on fields of structs or variants
--> tests/ui/pin_project/invalid.rs:77:9
|
77 | #[pin] //~ ERROR may only be used on fields of structs or variants
| ^^^^^^
error: #[pin] attribute may only be used on fields of structs or variants
--> tests/ui/pin_project/invalid.rs:82:5
|
82 | #[pin] //~ ERROR may only be used on fields of structs or variants
| ^^^^^^
error: `Replace` argument was removed, use `project_replace` argument instead
--> tests/ui/pin_project/invalid.rs:91:19
|
91 | #[pin_project(Replace)] //~ ERROR `Replace` argument was removed, use `project_replace` argument instead
| ^^^^^^^
error: expected identifier
--> tests/ui/pin_project/invalid.rs:94:31
|
94 | #[pin_project(UnsafeUnpin,,)] //~ ERROR expected identifier
| ^
error: unexpected argument: Foo
--> tests/ui/pin_project/invalid.rs:97:19
|
97 | #[pin_project(Foo)] //~ ERROR unexpected argument
| ^^^
error: expected identifier
--> tests/ui/pin_project/invalid.rs:100:19
|
100 | #[pin_project(,UnsafeUnpin)] //~ ERROR expected identifier
| ^
error: expected `,`
--> tests/ui/pin_project/invalid.rs:106:30
|
106 | #[pin_project(PinnedDrop PinnedDrop)] //~ ERROR expected `,`
| ^^^^^^^^^^
error: duplicate `PinnedDrop` argument
--> tests/ui/pin_project/invalid.rs:109:31
|
109 | #[pin_project(PinnedDrop, PinnedDrop)] //~ ERROR duplicate `PinnedDrop` argument
| ^^^^^^^^^^
error: duplicate `UnsafeUnpin` argument
--> tests/ui/pin_project/invalid.rs:112:32
|
112 | #[pin_project(UnsafeUnpin, UnsafeUnpin)] //~ ERROR duplicate `UnsafeUnpin` argument
| ^^^^^^^^^^^
error: duplicate `!Unpin` argument
--> tests/ui/pin_project/invalid.rs:115:27
|
115 | #[pin_project(!Unpin, !Unpin)] //~ ERROR duplicate `!Unpin` argument
| ^^^^^^
error: duplicate `UnsafeUnpin` argument
--> tests/ui/pin_project/invalid.rs:118:44
|
118 | #[pin_project(PinnedDrop, UnsafeUnpin, UnsafeUnpin)] //~ ERROR duplicate `UnsafeUnpin` argument
| ^^^^^^^^^^^
error: duplicate `PinnedDrop` argument
--> tests/ui/pin_project/invalid.rs:121:44
|
121 | #[pin_project(PinnedDrop, UnsafeUnpin, PinnedDrop, UnsafeUnpin)] //~ ERROR duplicate `PinnedDrop` argument
| ^^^^^^^^^^
error: duplicate `project` argument
--> tests/ui/pin_project/invalid.rs:124:32
|
124 | #[pin_project(project = A, project = B)] //~ ERROR duplicate `project` argument
| ^^^^^^^^^^^
error: duplicate `project` argument
--> tests/ui/pin_project/invalid.rs:127:49
|
127 | #[pin_project(project = A, project_ref = A, project = B)] //~ ERROR duplicate `project` argument
| ^^^^^^^^^^^
error: duplicate `project_ref` argument
--> tests/ui/pin_project/invalid.rs:130:36
|
130 | #[pin_project(project_ref = A, project_ref = B)] //~ ERROR duplicate `project_ref` argument
| ^^^^^^^^^^^^^^^
error: duplicate `project_replace` argument
--> tests/ui/pin_project/invalid.rs:133:40
|
133 | #[pin_project(project_replace = A, project_replace = B)] //~ ERROR duplicate `project_replace` argument
| ^^^^^^^^^^^^^^^^^^^
error: duplicate `project_replace` argument
--> tests/ui/pin_project/invalid.rs:136:36
|
136 | #[pin_project(project_replace, project_replace = B)] //~ ERROR duplicate `project_replace` argument
| ^^^^^^^^^^^^^^^^^^^
error: duplicate `project_replace` argument
--> tests/ui/pin_project/invalid.rs:139:40
|
139 | #[pin_project(project_replace = A, project_replace)] //~ ERROR duplicate `project_replace` argument
| ^^^^^^^^^^^^^^^
error: arguments `PinnedDrop` and `project_replace` are mutually exclusive
--> tests/ui/pin_project/invalid.rs:145:19
|
145 | #[pin_project(PinnedDrop, project_replace)] //~ ERROR arguments `PinnedDrop` and `project_replace` are mutually exclusive
| ^^^^^^^^^^
error: arguments `PinnedDrop` and `project_replace` are mutually exclusive
--> tests/ui/pin_project/invalid.rs:148:49
|
148 | #[pin_project(project_replace, UnsafeUnpin, PinnedDrop)] //~ ERROR arguments `PinnedDrop` and `project_replace` are mutually exclusive
| ^^^^^^^^^^
error: arguments `UnsafeUnpin` and `!Unpin` are mutually exclusive
--> tests/ui/pin_project/invalid.rs:151:19
|
151 | #[pin_project(UnsafeUnpin, !Unpin)] //~ ERROR arguments `UnsafeUnpin` and `!Unpin` are mutually exclusive
| ^^^^^^^^^^^
error: arguments `UnsafeUnpin` and `!Unpin` are mutually exclusive
--> tests/ui/pin_project/invalid.rs:154:39
|
154 | #[pin_project(!Unpin, PinnedDrop, UnsafeUnpin)] //~ ERROR arguments `UnsafeUnpin` and `!Unpin` are mutually exclusive
| ^^^^^^^^^^^
error: expected `!Unpin`, found `!`
--> tests/ui/pin_project/invalid.rs:157:19
|
157 | #[pin_project(!)] //~ ERROR expected `!Unpin`, found `!`
| ^
error: unexpected argument: Unpin
--> tests/ui/pin_project/invalid.rs:160:19
|
160 | #[pin_project(Unpin)] //~ ERROR unexpected argument
| ^^^^^
error: expected `project = <identifier>`, found `project`
--> tests/ui/pin_project/invalid.rs:163:19
|
163 | #[pin_project(project)] //~ ERROR expected `project = <identifier>`, found `project`
| ^^^^^^^
error: expected `project = <identifier>`, found `project =`
--> tests/ui/pin_project/invalid.rs:166:19
|
166 | #[pin_project(project = )] //~ ERROR expected `project = <identifier>`, found `project =`
| ^^^^^^^^^
error: expected identifier
--> tests/ui/pin_project/invalid.rs:169:29
|
169 | #[pin_project(project = !)] //~ ERROR expected identifier
| ^
error: expected `project_ref = <identifier>`, found `project_ref`
--> tests/ui/pin_project/invalid.rs:172:19
|
172 | #[pin_project(project_ref)] //~ ERROR expected `project_ref = <identifier>`, found `project_ref`
| ^^^^^^^^^^^
error: expected `project_ref = <identifier>`, found `project_ref =`
--> tests/ui/pin_project/invalid.rs:175:19
|
175 | #[pin_project(project_ref = )] //~ ERROR expected `project_ref = <identifier>`, found `project_ref =`
| ^^^^^^^^^^^^^
error: expected identifier
--> tests/ui/pin_project/invalid.rs:178:33
|
178 | #[pin_project(project_ref = !)] //~ ERROR expected identifier
| ^
error: expected `project_replace = <identifier>`, found `project_replace =`
--> tests/ui/pin_project/invalid.rs:184:19
|
184 | #[pin_project(project_replace = )] //~ ERROR expected `project_replace = <identifier>`, found `project_replace =`
| ^^^^^^^^^^^^^^^^^
error: expected identifier
--> tests/ui/pin_project/invalid.rs:187:37
|
187 | #[pin_project(project_replace = !)] //~ ERROR expected identifier
| ^
error: `project_replace` argument requires a value when used on enums
--> tests/ui/pin_project/invalid.rs:190:19
|
190 | #[pin_project(project_replace)] //~ ERROR `project_replace` argument requires a value when used on enums
| ^^^^^^^^^^^^^^^
error: name `OrigAndProj` is the same as the original type name
--> tests/ui/pin_project/invalid.rs:199:29
|
199 | #[pin_project(project = OrigAndProj)] //~ ERROR name `OrigAndProj` is the same as the original type name
| ^^^^^^^^^^^
error: name `OrigAndProjRef` is the same as the original type name
--> tests/ui/pin_project/invalid.rs:202:33
|
202 | #[pin_project(project_ref = OrigAndProjRef)] //~ ERROR name `OrigAndProjRef` is the same as the original type name
| ^^^^^^^^^^^^^^
error: name `OrigAndProjOwn` is the same as the original type name
--> tests/ui/pin_project/invalid.rs:205:37
|
205 | #[pin_project(project_replace = OrigAndProjOwn)] //~ ERROR name `OrigAndProjOwn` is the same as the original type name
| ^^^^^^^^^^^^^^
error: name `A` is already specified by `project` argument
--> tests/ui/pin_project/invalid.rs:208:46
|
208 | #[pin_project(project = A, project_ref = A)] //~ ERROR name `A` is already specified by `project` argument
| ^
error: name `A` is already specified by `project` argument
--> tests/ui/pin_project/invalid.rs:211:50
|
211 | #[pin_project(project = A, project_replace = A)] //~ ERROR name `A` is already specified by `project` argument
| ^
error: name `A` is already specified by `project_ref` argument
--> tests/ui/pin_project/invalid.rs:214:54
|
214 | #[pin_project(project_ref = A, project_replace = A)] //~ ERROR name `A` is already specified by `project_ref` argument
| ^
error: duplicate #[pin_project] attribute
--> tests/ui/pin_project/invalid.rs:222:5
|
222 | #[pin_project] //~ ERROR duplicate #[pin_project] attribute
| ^^^^^^^^^^^^^^
error: #[pin_project] attribute may not be used on structs with zero fields
--> tests/ui/pin_project/invalid.rs:230:19
|
230 | struct Struct {} //~ ERROR may not be used on structs with zero fields
| ^^
error: #[pin_project] attribute may not be used on structs with zero fields
--> tests/ui/pin_project/invalid.rs:233:23
|
233 | struct TupleStruct(); //~ ERROR may not be used on structs with zero fields
| ^^
error: #[pin_project] attribute may not be used on structs with zero fields
--> tests/ui/pin_project/invalid.rs:236:12
|
236 | struct UnitStruct; //~ ERROR may not be used on structs with zero fields
| ^^^^^^^^^^
error: #[pin_project] attribute may not be used on enums without variants
--> tests/ui/pin_project/invalid.rs:239:20
|
239 | enum EnumEmpty {} //~ ERROR may not be used on enums without variants
| ^^
error: #[pin_project] attribute may not be used on enums with discriminants
--> tests/ui/pin_project/invalid.rs:243:13
|
243 | V = 2, //~ ERROR may not be used on enums with discriminants
| ^
error: #[pin_project] attribute may not be used on enums with zero fields
--> tests/ui/pin_project/invalid.rs:248:9
|
248 | / Unit, //~ ERROR may not be used on enums with zero fields
249 | | Tuple(),
250 | | Struct {},
| |__________________^
error: #[pin_project] attribute may only be used on structs or enums
--> tests/ui/pin_project/invalid.rs:254:5
|
254 | / union Union {
255 | | //~^ ERROR may only be used on structs or enums
256 | | f: (),
257 | | }
| |_____^
error: #[pin_project] attribute may only be used on structs or enums
--> tests/ui/pin_project/invalid.rs:260:5
|
260 | impl Impl {} //~ ERROR may only be used on structs or enums
| ^^^^^^^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/invalid.rs:268:12
|
268 | #[repr(packed)]
| ^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/invalid.rs:272:12
|
272 | #[repr(packed)]
| ^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/invalid.rs:276:12
|
276 | #[repr(packed)]
| ^^^^^^

View File

@@ -0,0 +1,19 @@
use std::marker::PhantomPinned;
use pin_project::pin_project;
#[pin_project]
struct S<T> {
#[pin]
f: T,
}
struct __S {}
impl Unpin for __S {}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<S<PhantomPinned>>(); //~ ERROR E0277
}

View File

@@ -0,0 +1,25 @@
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/overlapping_unpin_struct.rs:18:5
|
18 | is_unpin::<S<PhantomPinned>>(); //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `_::__S<'_, PhantomPinned>`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `_::__S<'_, PhantomPinned>`
--> tests/ui/pin_project/overlapping_unpin_struct.rs:6:8
|
6 | struct S<T> {
| ^
note: required because of the requirements on the impl of `Unpin` for `S<PhantomPinned>`
--> tests/ui/pin_project/overlapping_unpin_struct.rs:5:1
|
5 | #[pin_project]
| ^^^^^^^^^^^^^^
6 | struct S<T> {
| ^^^^
note: required by a bound in `is_unpin`
--> tests/ui/pin_project/overlapping_unpin_struct.rs:15:16
|
15 | fn is_unpin<T: Unpin>() {}
| ^^^^^ required by this bound in `is_unpin`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

View File

@@ -0,0 +1,32 @@
// https://discord.com/channels/273534239310479360/512792629516173323/870075511009857617
extern crate pin_project as pin_project_orig;
extern crate self as pin_project;
pub use ::pin_project_orig::*;
mod __private {
pub use ::pin_project_orig::__private::*;
pub trait Drop {}
}
use std::{marker::PhantomPinned, mem};
#[pin_project] //~ ERROR conflicting implementations of trait `_::FooMustNotImplDrop`
struct S {
#[pin]
f: (u8, PhantomPinned),
}
impl Drop for S {
fn drop(&mut self) {
let prev = &self.f.0 as *const _ as usize;
let moved = mem::take(&mut self.f); // move pinned field
let moved = &moved.0 as *const _ as usize;
assert_eq!(prev, moved); // panic
}
}
fn main() {
let mut x = Box::pin(S { f: (1, PhantomPinned) });
let _f = x.as_mut().project().f; // first mutable access
}

View File

@@ -0,0 +1,10 @@
error[E0119]: conflicting implementations of trait `_::SMustNotImplDrop` for type `S`
--> tests/ui/pin_project/override-priv-mod.rs:14:1
|
14 | #[pin_project] //~ ERROR conflicting implementations of trait `_::FooMustNotImplDrop`
| ^^^^^^^^^^^^^^
| |
| first implementation here
| conflicting implementation for `S`
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

View File

@@ -0,0 +1,24 @@
use pin_project::pin_project;
// #[repr(packed)] cannot be apply on enums and will be rejected by rustc.
// However, we should not rely on the behavior of rustc that rejects this.
// https://github.com/taiki-e/pin-project/pull/324#discussion_r612388001
#[repr(packed)] //~ ERROR E0517
enum E1 {
V(()),
}
#[pin_project]
#[repr(packed)] //~ ERROR E0517
enum E2 {
V(()),
}
#[repr(packed)] //~ ERROR E0517
#[pin_project]
enum E3 {
V(()),
}
fn main() {}

View File

@@ -0,0 +1,42 @@
error: #[repr(packed)] attribute should be applied to a struct or union
--> tests/ui/pin_project/packed-enum.rs:13:8
|
13 | #[repr(packed)] //~ ERROR E0517
| ^^^^^^
error: #[repr(packed)] attribute should be applied to a struct or union
--> tests/ui/pin_project/packed-enum.rs:18:8
|
18 | #[repr(packed)] //~ ERROR E0517
| ^^^^^^
error[E0517]: attribute should be applied to a struct or union
--> tests/ui/pin_project/packed-enum.rs:7:8
|
7 | #[repr(packed)] //~ ERROR E0517
| ^^^^^^
8 | / enum E1 {
9 | | V(()),
10 | | }
| |_- not a struct or union
error[E0517]: attribute should be applied to a struct or union
--> tests/ui/pin_project/packed-enum.rs:13:8
|
13 | #[repr(packed)] //~ ERROR E0517
| ^^^^^^
14 | / enum E2 {
15 | | V(()),
16 | | }
| |_- not a struct or union
error[E0517]: attribute should be applied to a struct or union
--> tests/ui/pin_project/packed-enum.rs:18:8
|
18 | #[repr(packed)] //~ ERROR E0517
| ^^^^^^
19 | #[pin_project]
20 | / enum E3 {
21 | | V(()),
22 | | }
| |_- not a struct or union

View File

@@ -0,0 +1,27 @@
use pin_project::pin_project;
// #[repr(packed = "")] is not valid format of #[repr(packed)] and will be
// rejected by rustc.
// However, we should not rely on the behavior of rustc that rejects this.
// https://github.com/taiki-e/pin-project/pull/324#discussion_r612388001
// https://github.com/taiki-e/pin-project/pull/324#discussion_r612388001
// https://github.com/rust-lang/rust/issues/83921
// #[repr(packed = "")] //~ ERROR E0552
// struct S1 {
// f: (),
// }
#[pin_project]
#[repr(packed = "")] //~ ERROR attribute should not be name-value pair
struct S2 {
f: (),
}
#[repr(packed = "")] //~ ERROR attribute should not be name-value pair
#[pin_project]
struct S3 {
f: (),
}
fn main() {}

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@@ -0,0 +1,23 @@
error: #[repr(packed)] attribute should not be name-value pair
--> tests/ui/pin_project/packed-name-value.rs:16:8
|
16 | #[repr(packed = "")] //~ ERROR attribute should not be name-value pair
| ^^^^^^^^^^^
error: #[repr(packed)] attribute should not be name-value pair
--> tests/ui/pin_project/packed-name-value.rs:21:8
|
21 | #[repr(packed = "")] //~ ERROR attribute should not be name-value pair
| ^^^^^^^^^^^
error[E0693]: incorrect `repr(packed)` attribute format
--> tests/ui/pin_project/packed-name-value.rs:16:8
|
16 | #[repr(packed = "")] //~ ERROR attribute should not be name-value pair
| ^^^^^^^^^^^ help: use parentheses instead: `packed()`
error[E0693]: incorrect `repr(packed)` attribute format
--> tests/ui/pin_project/packed-name-value.rs:21:8
|
21 | #[repr(packed = "")] //~ ERROR attribute should not be name-value pair
| ^^^^^^^^^^^ help: use parentheses instead: `packed()`

View File

@@ -0,0 +1,33 @@
use pin_project::pin_project;
#[pin_project]
#[repr(packed, C)] //~ ERROR may not be used on #[repr(packed)] types
struct Packed1 {
#[pin]
f: u8,
}
// Test putting 'repr' before the 'pin_project' attribute
#[repr(packed, C)] //~ ERROR may not be used on #[repr(packed)] types
#[pin_project]
struct Packed2 {
#[pin]
f: u8,
}
#[pin_project]
#[repr(packed(2))] //~ ERROR may not be used on #[repr(packed)] types
struct PackedN1 {
#[pin]
f: u32,
}
// Test putting 'repr' before the 'pin_project' attribute
#[repr(packed(2))] //~ ERROR may not be used on #[repr(packed)] types
#[pin_project]
struct PackedN2 {
#[pin]
f: u32,
}
fn main() {}

View File

@@ -0,0 +1,23 @@
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed.rs:4:8
|
4 | #[repr(packed, C)] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed.rs:11:8
|
11 | #[repr(packed, C)] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed.rs:19:8
|
19 | #[repr(packed(2))] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed.rs:26:8
|
26 | #[repr(packed(2))] //~ ERROR may not be used on #[repr(packed)] types
| ^^^^^^^^^

View File

@@ -0,0 +1,41 @@
use std::pin::Pin;
use auxiliary_macro::{hidden_repr, hidden_repr2};
use pin_project::{pin_project, pinned_drop, UnsafeUnpin};
#[pin_project] //~ ERROR may not be used on #[repr(packed)] types
#[hidden_repr(packed)]
struct A {
#[pin]
f: u32,
}
#[hidden_repr2]
#[pin_project] //~ ERROR may not be used on #[repr(packed)] types
struct B {
#[pin]
f: u32,
}
#[pin_project(UnsafeUnpin)] //~ ERROR may not be used on #[repr(packed)] types
#[hidden_repr(packed)]
struct C {
#[pin]
f: u32,
}
unsafe impl UnsafeUnpin for C {}
#[pin_project(PinnedDrop)] //~ ERROR may not be used on #[repr(packed)] types
#[hidden_repr(packed)]
struct D {
#[pin]
f: u32,
}
#[pinned_drop]
impl PinnedDrop for D {
fn drop(self: Pin<&mut Self>) {}
}
fn main() {}

View File

@@ -0,0 +1,25 @@
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed_sneaky-1.rs:7:15
|
7 | #[hidden_repr(packed)]
| ^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed_sneaky-1.rs:13:1
|
13 | #[hidden_repr2]
| ^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `hidden_repr2` (in Nightly builds, run with -Z macro-backtrace for more info)
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed_sneaky-1.rs:21:15
|
21 | #[hidden_repr(packed)]
| ^^^^^^
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed_sneaky-1.rs:30:15
|
30 | #[hidden_repr(packed)]
| ^^^^^^

View File

@@ -0,0 +1,12 @@
use auxiliary_macro::hidden_repr_macro;
use pin_project::pin_project;
hidden_repr_macro! { //~ ERROR may not be used on #[repr(packed)] types
#[pin_project]
struct B {
#[pin]
f: u32,
}
}
fn main() {}

View File

@@ -0,0 +1,13 @@
error: #[pin_project] attribute may not be used on #[repr(packed)] types
--> tests/ui/pin_project/packed_sneaky-2.rs:4:1
|
4 | / hidden_repr_macro! { //~ ERROR may not be used on #[repr(packed)] types
5 | | #[pin_project]
6 | | struct B {
7 | | #[pin]
8 | | f: u32,
9 | | }
10 | | }
| |_^
|
= note: this error originates in the macro `hidden_repr_macro` (in Nightly builds, run with -Z macro-backtrace for more info)

View File

@@ -0,0 +1,32 @@
use auxiliary_macro::{hidden_repr_macro, HiddenRepr};
use pin_project::pin_project;
hidden_repr_macro! {} //~ ERROR expected item after attributes
#[pin_project]
struct S1 {
#[pin]
f: u32,
}
macro_rules! hidden_repr_macro2 {
() => {
#[repr(packed)] //~ ERROR expected item after attributes
};
}
hidden_repr_macro2! {}
#[pin_project]
struct S2 {
#[pin]
f: u32,
}
#[derive(HiddenRepr)] //~ ERROR expected item after attributes
struct S3 {}
#[pin_project]
struct S4 {
#[pin]
f: u32,
}
fn main() {}

View File

@@ -0,0 +1,32 @@
error: expected item after attributes
--> tests/ui/pin_project/packed_sneaky-3.rs:4:1
|
4 | hidden_repr_macro! {} //~ ERROR expected item after attributes
| ^^^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the macro `hidden_repr_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected item after attributes
--> tests/ui/pin_project/packed_sneaky-3.rs:13:9
|
13 | #[repr(packed)] //~ ERROR expected item after attributes
| ^^^^^^^^^^^^^^^
...
17 | hidden_repr_macro2! {}
| ---------------------- in this macro invocation
|
= note: this error originates in the macro `hidden_repr_macro2` (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected item after attributes
--> tests/ui/pin_project/packed_sneaky-3.rs:24:10
|
24 | #[derive(HiddenRepr)] //~ ERROR expected item after attributes
| ^^^^^^^^^^
|
= note: this error originates in the derive macro `HiddenRepr` (in Nightly builds, run with -Z macro-backtrace for more info)
error: proc-macro derive produced unparseable tokens
--> tests/ui/pin_project/packed_sneaky-3.rs:24:10
|
24 | #[derive(HiddenRepr)] //~ ERROR expected item after attributes
| ^^^^^^^^^^

View File

@@ -0,0 +1,15 @@
// https://github.com/taiki-e/pin-project/issues/342
#![allow(unaligned_references)]
use auxiliary_macro::hidden_repr2;
use pin_project::pin_project;
#[pin_project] //~ ERROR reference to packed field is unaligned
#[hidden_repr2]
struct A {
#[pin]
f: u32,
}
fn main() {}

View File

@@ -0,0 +1,16 @@
error: reference to packed field is unaligned
--> tests/ui/pin_project/packed_sneaky-4.rs:8:1
|
8 | #[pin_project] //~ ERROR reference to packed field is unaligned
| ^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> tests/ui/pin_project/packed_sneaky-4.rs:8:1
|
8 | #[pin_project] //~ ERROR reference to packed field is unaligned
| ^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
= note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
= help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

View File

@@ -0,0 +1,23 @@
// Even if allows private_in_public, these are errors.
#![allow(private_in_public)]
pub enum PublicEnum {
V(PrivateEnum), //~ ERROR E0446
}
enum PrivateEnum {
V(u8),
}
mod foo {
pub(crate) enum CrateEnum {
V(PrivateEnum), //~ ERROR E0446
}
enum PrivateEnum {
V(u8),
}
}
fn main() {}

View File

@@ -0,0 +1,17 @@
error[E0446]: private type `PrivateEnum` in public interface
--> tests/ui/pin_project/private_in_public-enum.rs:6:7
|
6 | V(PrivateEnum), //~ ERROR E0446
| ^^^^^^^^^^^ can't leak private type
...
9 | enum PrivateEnum {
| ---------------- `PrivateEnum` declared as private
error[E0446]: private type `foo::PrivateEnum` in public interface
--> tests/ui/pin_project/private_in_public-enum.rs:15:11
|
15 | V(PrivateEnum), //~ ERROR E0446
| ^^^^^^^^^^^ can't leak private type
...
18 | enum PrivateEnum {
| ---------------- `foo::PrivateEnum` declared as private

View File

@@ -0,0 +1,11 @@
use pin_project::pin_project;
#[pin_project(project_replace)] //~ ERROR E0277
struct Struct<T: ?Sized> {
f: T,
}
#[pin_project(project_replace)] //~ ERROR E0277
struct TupleStruct<T: ?Sized>(T);
fn main() {}

View File

@@ -0,0 +1,118 @@
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized.rs:3:15
|
3 | #[pin_project(project_replace)] //~ ERROR E0277
| ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
4 | struct Struct<T: ?Sized> {
| - this type parameter needs to be `std::marker::Sized`
|
note: required because it appears within the type `Struct<T>`
--> tests/ui/pin_project/project_replace_unsized.rs:4:8
|
4 | struct Struct<T: ?Sized> {
| ^^^^^^
= help: unsized fn params are gated as an unstable feature
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
4 - struct Struct<T: ?Sized> {
4 + struct Struct<T> {
|
help: function arguments must have a statically known size, borrowed types always have a known size
|
3 | #[pin_project(&project_replace)] //~ ERROR E0277
| +
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized.rs:3:1
|
3 | #[pin_project(project_replace)] //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
4 | struct Struct<T: ?Sized> {
| - this type parameter needs to be `std::marker::Sized`
|
note: required because it appears within the type `Struct<T>`
--> tests/ui/pin_project/project_replace_unsized.rs:4:8
|
4 | struct Struct<T: ?Sized> {
| ^^^^^^
note: required by a bound in `UnsafeOverwriteGuard::<T>::new`
--> src/lib.rs
|
| impl<T> UnsafeOverwriteGuard<T> {
| ^ required by this bound in `UnsafeOverwriteGuard::<T>::new`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
4 - struct Struct<T: ?Sized> {
4 + struct Struct<T> {
|
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized.rs:5:5
|
3 | #[pin_project(project_replace)] //~ ERROR E0277
| ------------------------------- required by a bound introduced by this call
4 | struct Struct<T: ?Sized> {
| - this type parameter needs to be `std::marker::Sized`
5 | f: T,
| ^ doesn't have a size known at compile-time
|
note: required by a bound in `std::ptr::read`
--> $RUST/core/src/ptr/mod.rs
|
| pub const unsafe fn read<T>(src: *const T) -> T {
| ^ required by this bound in `std::ptr::read`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
4 - struct Struct<T: ?Sized> {
4 + struct Struct<T> {
|
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized.rs:8:15
|
8 | #[pin_project(project_replace)] //~ ERROR E0277
| ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
9 | struct TupleStruct<T: ?Sized>(T);
| - this type parameter needs to be `std::marker::Sized`
|
note: required because it appears within the type `TupleStruct<T>`
--> tests/ui/pin_project/project_replace_unsized.rs:9:8
|
9 | struct TupleStruct<T: ?Sized>(T);
| ^^^^^^^^^^^
= help: unsized fn params are gated as an unstable feature
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
9 - struct TupleStruct<T: ?Sized>(T);
9 + struct TupleStruct<T>(T);
|
help: function arguments must have a statically known size, borrowed types always have a known size
|
8 | #[pin_project(&project_replace)] //~ ERROR E0277
| +
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized.rs:8:1
|
8 | #[pin_project(project_replace)] //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
9 | struct TupleStruct<T: ?Sized>(T);
| - this type parameter needs to be `std::marker::Sized`
|
note: required because it appears within the type `TupleStruct<T>`
--> tests/ui/pin_project/project_replace_unsized.rs:9:8
|
9 | struct TupleStruct<T: ?Sized>(T);
| ^^^^^^^^^^^
note: required by a bound in `UnsafeOverwriteGuard::<T>::new`
--> src/lib.rs
|
| impl<T> UnsafeOverwriteGuard<T> {
| ^ required by this bound in `UnsafeOverwriteGuard::<T>::new`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
9 - struct TupleStruct<T: ?Sized>(T);
9 + struct TupleStruct<T>(T);
|

View File

@@ -0,0 +1,13 @@
#![feature(unsized_fn_params)]
use pin_project::pin_project;
#[pin_project(project_replace)] //~ ERROR E0277
struct Struct<T: ?Sized> {
f: T,
}
#[pin_project(project_replace)] //~ ERROR E0277
struct TupleStruct<T: ?Sized>(T);
fn main() {}

View File

@@ -0,0 +1,112 @@
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:6:8
|
6 | struct Struct<T: ?Sized> {
| ^^^^^^^-^^^^^^^^^
| | |
| | this type parameter needs to be `std::marker::Sized`
| doesn't have a size known at compile-time
|
note: required because it appears within the type `__StructProjectionOwned<T>`
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:6:8
|
6 | struct Struct<T: ?Sized> {
| ^^^^^^
= note: the return type of a function must have a statically known size
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
6 - struct Struct<T: ?Sized> {
6 + struct Struct<T> {
|
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:5:1
|
5 | #[pin_project(project_replace)] //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
6 | struct Struct<T: ?Sized> {
| - this type parameter needs to be `std::marker::Sized`
|
note: required because it appears within the type `Struct<T>`
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:6:8
|
6 | struct Struct<T: ?Sized> {
| ^^^^^^
note: required by a bound in `UnsafeOverwriteGuard::<T>::new`
--> src/lib.rs
|
| impl<T> UnsafeOverwriteGuard<T> {
| ^ required by this bound in `UnsafeOverwriteGuard::<T>::new`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
6 - struct Struct<T: ?Sized> {
6 + struct Struct<T> {
|
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:7:5
|
5 | #[pin_project(project_replace)] //~ ERROR E0277
| ------------------------------- required by a bound introduced by this call
6 | struct Struct<T: ?Sized> {
| - this type parameter needs to be `std::marker::Sized`
7 | f: T,
| ^ doesn't have a size known at compile-time
|
note: required by a bound in `std::ptr::read`
--> $RUST/core/src/ptr/mod.rs
|
| pub const unsafe fn read<T>(src: *const T) -> T {
| ^ required by this bound in `std::ptr::read`
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
6 - struct Struct<T: ?Sized> {
6 + struct Struct<T> {
|
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:11:8
|
11 | struct TupleStruct<T: ?Sized>(T);
| ^^^^^^^^^^^^-^^^^^^^^^
| | |
| | this type parameter needs to be `std::marker::Sized`
| doesn't have a size known at compile-time
|
note: required because it appears within the type `__TupleStructProjectionOwned<T>`
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:11:8
|
11 | struct TupleStruct<T: ?Sized>(T);
| ^^^^^^^^^^^
= note: the return type of a function must have a statically known size
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
11 - struct TupleStruct<T: ?Sized>(T);
11 + struct TupleStruct<T>(T);
|
error[E0277]: the size for values of type `T` cannot be known at compilation time
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:10:1
|
10 | #[pin_project(project_replace)] //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
11 | struct TupleStruct<T: ?Sized>(T);
| - this type parameter needs to be `std::marker::Sized`
|
note: required because it appears within the type `TupleStruct<T>`
--> tests/ui/pin_project/project_replace_unsized_fn_params.rs:11:8
|
11 | struct TupleStruct<T: ?Sized>(T);
| ^^^^^^^^^^^
note: required by a bound in `UnsafeOverwriteGuard::<T>::new`
--> src/lib.rs
|
| impl<T> UnsafeOverwriteGuard<T> {
| ^ required by this bound in `UnsafeOverwriteGuard::<T>::new`
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider removing the `?Sized` bound to make the type parameter `Sized`
|
11 - struct TupleStruct<T: ?Sized>(T);
11 + struct TupleStruct<T>(T);
|

View File

@@ -0,0 +1,33 @@
use std::{marker::PhantomPinned, pin::Pin};
use auxiliary_macro::remove_attr;
use pin_project::pin_project;
fn is_unpin<T: Unpin>() {}
#[pin_project]
#[remove_attr(field_all)]
struct A {
#[pin]
f: PhantomPinned,
}
#[remove_attr(field_all)]
#[pin_project]
struct B {
#[pin]
f: PhantomPinned,
}
fn main() {
is_unpin::<A>();
is_unpin::<B>();
let mut x = A { f: PhantomPinned };
let x = Pin::new(&mut x).project();
let _: Pin<&mut PhantomPinned> = x.f; //~ ERROR E0308
let mut x = B { f: PhantomPinned };
let x = Pin::new(&mut x).project();
let _: Pin<&mut PhantomPinned> = x.f; //~ ERROR E0308
}

View File

@@ -0,0 +1,21 @@
error[E0308]: mismatched types
--> tests/ui/pin_project/remove-attr-from-field.rs:28:38
|
28 | let _: Pin<&mut PhantomPinned> = x.f; //~ ERROR E0308
| ----------------------- ^^^ expected struct `Pin`, found `&mut PhantomPinned`
| |
| expected due to this
|
= note: expected struct `Pin<&mut PhantomPinned>`
found mutable reference `&mut PhantomPinned`
error[E0308]: mismatched types
--> tests/ui/pin_project/remove-attr-from-field.rs:32:38
|
32 | let _: Pin<&mut PhantomPinned> = x.f; //~ ERROR E0308
| ----------------------- ^^^ expected struct `Pin`, found `&mut PhantomPinned`
| |
| expected due to this
|
= note: expected struct `Pin<&mut PhantomPinned>`
found mutable reference `&mut PhantomPinned`

View File

@@ -0,0 +1,47 @@
use std::{marker::PhantomPinned, pin::Pin};
use auxiliary_macro::remove_attr;
use pin_project::pin_project;
fn is_unpin<T: Unpin>() {}
#[pin_project]
#[remove_attr(struct_all)]
struct A {
#[pin] //~ ERROR cannot find attribute `pin` in this scope
f: PhantomPinned,
}
#[remove_attr(struct_all)]
#[pin_project]
struct B {
#[pin] //~ ERROR cannot find attribute `pin` in this scope
f: PhantomPinned,
}
#[pin_project] //~ ERROR has been removed
#[remove_attr(struct_pin)]
struct C {
f: PhantomPinned,
}
#[remove_attr(struct_pin)]
#[pin_project] // Ok
struct D {
f: PhantomPinned,
}
fn main() {
is_unpin::<A>(); //~ ERROR E0277
is_unpin::<B>(); //~ ERROR E0277
is_unpin::<D>(); // Ok
let mut x = A { f: PhantomPinned };
let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
let mut x = B { f: PhantomPinned };
let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
let mut x = D { f: PhantomPinned };
let _ = Pin::new(&mut x).project(); //~ Ok
}

View File

@@ -0,0 +1,107 @@
error: #[pin_project] attribute has been removed
--> tests/ui/pin_project/remove-attr-from-struct.rs:22:1
|
22 | #[pin_project] //~ ERROR has been removed
| ^^^^^^^^^^^^^^
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
error: cannot find attribute `pin` in this scope
--> tests/ui/pin_project/remove-attr-from-struct.rs:18:7
|
18 | #[pin] //~ ERROR cannot find attribute `pin` in this scope
| ^^^
error: cannot find attribute `pin` in this scope
--> tests/ui/pin_project/remove-attr-from-struct.rs:11:7
|
11 | #[pin] //~ ERROR cannot find attribute `pin` in this scope
| ^^^
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/remove-attr-from-struct.rs:35:5
|
35 | is_unpin::<A>(); //~ ERROR E0277
| ^^^^^^^^^^^^^ within `A`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `A`
--> tests/ui/pin_project/remove-attr-from-struct.rs:10:8
|
10 | struct A {
| ^
note: required by a bound in `is_unpin`
--> tests/ui/pin_project/remove-attr-from-struct.rs:6:16
|
6 | fn is_unpin<T: Unpin>() {}
| ^^^^^ required by this bound in `is_unpin`
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/remove-attr-from-struct.rs:36:5
|
36 | is_unpin::<B>(); //~ ERROR E0277
| ^^^^^^^^^^^^^ within `B`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `B`
--> tests/ui/pin_project/remove-attr-from-struct.rs:17:8
|
17 | struct B {
| ^
note: required by a bound in `is_unpin`
--> tests/ui/pin_project/remove-attr-from-struct.rs:6:16
|
6 | fn is_unpin<T: Unpin>() {}
| ^^^^^ required by this bound in `is_unpin`
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/remove-attr-from-struct.rs:40:22
|
40 | let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
| -------- ^^^^^^ within `A`, the trait `Unpin` is not implemented for `PhantomPinned`
| |
| required by a bound introduced by this call
|
= note: consider using `Box::pin`
note: required because it appears within the type `A`
--> tests/ui/pin_project/remove-attr-from-struct.rs:10:8
|
10 | struct A {
| ^
note: required by a bound in `Pin::<P>::new`
--> $RUST/core/src/pin.rs
|
| impl<P: Deref<Target: Unpin>> Pin<P> {
| ^^^^^ required by this bound in `Pin::<P>::new`
error[E0599]: no method named `project` found for struct `Pin<&mut A>` in the current scope
--> tests/ui/pin_project/remove-attr-from-struct.rs:40:30
|
40 | let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
| ^^^^^^^ method not found in `Pin<&mut A>`
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/pin_project/remove-attr-from-struct.rs:43:22
|
43 | let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
| -------- ^^^^^^ within `B`, the trait `Unpin` is not implemented for `PhantomPinned`
| |
| required by a bound introduced by this call
|
= note: consider using `Box::pin`
note: required because it appears within the type `B`
--> tests/ui/pin_project/remove-attr-from-struct.rs:17:8
|
17 | struct B {
| ^
note: required by a bound in `Pin::<P>::new`
--> $RUST/core/src/pin.rs
|
| impl<P: Deref<Target: Unpin>> Pin<P> {
| ^^^^^ required by this bound in `Pin::<P>::new`
error[E0599]: no method named `project` found for struct `Pin<&mut B>` in the current scope
--> tests/ui/pin_project/remove-attr-from-struct.rs:43:30
|
43 | let _ = Pin::new(&mut x).project(); //~ ERROR E0277,E0599
| ^^^^^^^ method not found in `Pin<&mut B>`

View File

@@ -0,0 +1,26 @@
#![deny(renamed_and_removed_lints)]
#![deny(safe_packed_borrows)] //~ ERROR has been renamed to `unaligned_references`
#![allow(unaligned_references)]
// This lint was removed in https://github.com/rust-lang/rust/pull/82525 (nightly-2021-03-28).
// Refs:
// - https://github.com/rust-lang/rust/pull/82525
// - https://github.com/rust-lang/rust/issues/46043
#[repr(packed)]
struct Packed {
f: u32,
}
#[repr(packed(2))]
struct PackedN {
f: u32,
}
fn main() {
let a = Packed { f: 1 };
let _ = &a.f;
let b = PackedN { f: 1 };
let _ = &b.f;
}

View File

@@ -0,0 +1,11 @@
error: lint `safe_packed_borrows` has been renamed to `unaligned_references`
--> tests/ui/pin_project/safe_packed_borrows.rs:2:9
|
2 | #![deny(safe_packed_borrows)] //~ ERROR has been renamed to `unaligned_references`
| ^^^^^^^^^^^^^^^^^^^ help: use the new name: `unaligned_references`
|
note: the lint level is defined here
--> tests/ui/pin_project/safe_packed_borrows.rs:1:9
|
1 | #![deny(renamed_and_removed_lints)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^

View File

@@ -0,0 +1,21 @@
#![forbid(unaligned_references)]
// Refs: https://github.com/rust-lang/rust/issues/82523
#[repr(packed)]
struct Packed {
f: u32,
}
#[repr(packed(2))]
struct PackedN {
f: u32,
}
fn main() {
let a = Packed { f: 1 };
let _ = &a.f; //~ ERROR reference to packed field is unaligned
let b = PackedN { f: 1 };
let _ = &b.f; //~ ERROR reference to packed field is unaligned
}

View File

@@ -0,0 +1,26 @@
error: reference to packed field is unaligned
--> tests/ui/pin_project/unaligned_references.rs:17:13
|
17 | let _ = &a.f; //~ ERROR reference to packed field is unaligned
| ^^^^
|
note: the lint level is defined here
--> tests/ui/pin_project/unaligned_references.rs:1:11
|
1 | #![forbid(unaligned_references)]
| ^^^^^^^^^^^^^^^^^^^^
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
= note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
= help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
error: reference to packed field is unaligned
--> tests/ui/pin_project/unaligned_references.rs:20:13
|
20 | let _ = &b.f; //~ ERROR reference to packed field is unaligned
| ^^^^
|
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
= note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
= help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)

View File

@@ -0,0 +1,11 @@
use pin_project::pin_project;
#[pin_project]
struct S {
#[pin]
f: u8,
}
impl Unpin for __S {} //~ ERROR E0412,E0321
fn main() {}

View File

@@ -0,0 +1,5 @@
error[E0412]: cannot find type `__S` in this scope
--> tests/ui/pin_project/unpin_sneaky.rs:9:16
|
9 | impl Unpin for __S {} //~ ERROR E0412,E0321
| ^^^ not found in this scope

View File

@@ -0,0 +1,49 @@
/// Only named projected types can be imported.
/// See import_unnamed.rs for unnamed projected types.
mod pub_ {
use pin_project::pin_project;
#[pin_project(project = DProj, project_ref = DProjRef)]
pub struct Default(());
#[pin_project(project = RProj, project_ref = RProjRef, project_replace = RProjOwn)]
pub struct Replace(());
}
pub mod pub_use {
#[rustfmt::skip]
pub use crate::pub_::DProj; //~ ERROR E0365
#[rustfmt::skip]
pub use crate::pub_::DProjRef; //~ ERROR E0365
#[rustfmt::skip]
pub use crate::pub_::RProj; //~ ERROR E0365
#[rustfmt::skip]
pub use crate::pub_::RProjOwn; //~ ERROR E0365
#[rustfmt::skip]
pub use crate::pub_::RProjRef; //~ ERROR E0365
// Confirm that the visibility of the original type is not changed.
pub use crate::pub_::{Default, Replace};
}
pub mod pub_use2 {
// Ok
#[allow(unused_imports)]
pub(crate) use crate::pub_::{DProj, DProjRef, RProj, RProjOwn, RProjRef};
}
mod pub_crate {
use pin_project::pin_project;
#[pin_project(project = DProj, project_ref = DProjRef)]
pub(crate) struct Default(());
#[pin_project(project = RProj, project_ref = RProjRef, project_replace = RProjOwn)]
pub(crate) struct Replace(());
}
pub mod pub_crate_use {
// Ok
#[allow(unused_imports)]
pub(crate) use crate::pub_crate::{DProj, DProjRef, RProj, RProjOwn, RProjRef};
}
fn main() {}

View File

@@ -0,0 +1,39 @@
error[E0365]: `DProj` is only public within the crate, and cannot be re-exported outside
--> tests/ui/pin_project/visibility.rs:15:13
|
15 | pub use crate::pub_::DProj; //~ ERROR E0365
| ^^^^^^^^^^^^^^^^^^ re-export of crate public `DProj`
|
= note: consider declaring type or module `DProj` with `pub`
error[E0365]: `DProjRef` is only public within the crate, and cannot be re-exported outside
--> tests/ui/pin_project/visibility.rs:17:13
|
17 | pub use crate::pub_::DProjRef; //~ ERROR E0365
| ^^^^^^^^^^^^^^^^^^^^^ re-export of crate public `DProjRef`
|
= note: consider declaring type or module `DProjRef` with `pub`
error[E0365]: `RProj` is only public within the crate, and cannot be re-exported outside
--> tests/ui/pin_project/visibility.rs:19:13
|
19 | pub use crate::pub_::RProj; //~ ERROR E0365
| ^^^^^^^^^^^^^^^^^^ re-export of crate public `RProj`
|
= note: consider declaring type or module `RProj` with `pub`
error[E0365]: `RProjOwn` is only public within the crate, and cannot be re-exported outside
--> tests/ui/pin_project/visibility.rs:21:13
|
21 | pub use crate::pub_::RProjOwn; //~ ERROR E0365
| ^^^^^^^^^^^^^^^^^^^^^ re-export of crate public `RProjOwn`
|
= note: consider declaring type or module `RProjOwn` with `pub`
error[E0365]: `RProjRef` is only public within the crate, and cannot be re-exported outside
--> tests/ui/pin_project/visibility.rs:23:13
|
23 | pub use crate::pub_::RProjRef; //~ ERROR E0365
| ^^^^^^^^^^^^^^^^^^^^^ re-export of crate public `RProjRef`
|
= note: consider declaring type or module `RProjRef` with `pub`

View File

@@ -0,0 +1,17 @@
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Struct {
f: bool,
}
#[pinned_drop]
impl PinnedDrop for Struct {
fn drop(mut self: Pin<&mut Self>) {
__drop_inner(__self);
}
}
fn main() {}

View File

@@ -0,0 +1,16 @@
error[E0061]: this function takes 0 arguments but 1 argument was supplied
--> tests/ui/pinned_drop/call-drop-inner.rs:13:9
|
13 | __drop_inner(__self);
| ^^^^^^^^^^^^ ------ argument of type `Pin<&mut Struct>` unexpected
|
note: function defined here
--> tests/ui/pinned_drop/call-drop-inner.rs:10:1
|
10 | #[pinned_drop]
| ^^^^^^^^^^^^^^
= note: this error originates in the attribute macro `pinned_drop` (in Nightly builds, run with -Z macro-backtrace for more info)
help: remove the extra argument
|
13 | __drop_inner();
| ~~~~~~~~~~~~~~

View File

@@ -0,0 +1,27 @@
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
// In `Drop` impl, the implementor must specify the same requirement as type definition.
struct DropImpl<T> {
f: T,
}
impl<T: Unpin> Drop for DropImpl<T> {
//~^ ERROR E0367
fn drop(&mut self) {}
}
#[pin_project(PinnedDrop)] //~ ERROR E0277
struct PinnedDropImpl<T> {
#[pin]
f: T,
}
#[pinned_drop]
impl<T: Unpin> PinnedDrop for PinnedDropImpl<T> {
fn drop(self: Pin<&mut Self>) {}
}
fn main() {}

View File

@@ -0,0 +1,28 @@
error[E0367]: `Drop` impl requires `T: Unpin` but the struct it is implemented for does not
--> tests/ui/pinned_drop/conditional-drop-impl.rs:11:9
|
11 | impl<T: Unpin> Drop for DropImpl<T> {
| ^^^^^
|
note: the implementor must specify the same requirement
--> tests/ui/pinned_drop/conditional-drop-impl.rs:7:1
|
7 | struct DropImpl<T> {
| ^^^^^^^^^^^^^^^^^^
error[E0277]: `T` cannot be unpinned
--> tests/ui/pinned_drop/conditional-drop-impl.rs:16:15
|
16 | #[pin_project(PinnedDrop)] //~ ERROR E0277
| ^^^^^^^^^^ the trait `Unpin` is not implemented for `T`
|
= note: consider using `Box::pin`
note: required because of the requirements on the impl of `PinnedDrop` for `PinnedDropImpl<T>`
--> tests/ui/pinned_drop/conditional-drop-impl.rs:23:16
|
23 | impl<T: Unpin> PinnedDrop for PinnedDropImpl<T> {
| ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^
help: consider restricting type parameter `T`
|
17 | struct PinnedDropImpl<T: std::marker::Unpin> {
| ++++++++++++++++++++

View File

@@ -0,0 +1,9 @@
use pin_project::pin_project;
#[pin_project(PinnedDrop)] //~ ERROR E0277
struct Struct {
#[pin]
f: u8,
}
fn main() {}

View File

@@ -0,0 +1,5 @@
error[E0277]: the trait bound `Struct: PinnedDrop` is not satisfied
--> tests/ui/pinned_drop/forget-pinned-drop-impl.rs:3:15
|
3 | #[pin_project(PinnedDrop)] //~ ERROR E0277
| ^^^^^^^^^^ the trait `PinnedDrop` is not implemented for `Struct`

View File

@@ -0,0 +1,14 @@
// by-ref binding `ref (mut) self` and sub-patterns `@` are not allowed in receivers (rejected by rustc).
use std::pin::Pin;
struct S {}
impl S {
fn take_ref_self(ref self: Pin<&mut Self>) {} //~ ERROR expected identifier, found keyword `self`
fn take_ref_mut_self(ref mut self: Pin<&mut Self>) {} //~ ERROR expected identifier, found keyword `self`
fn self_subpat(self @ S {}: Self) {} //~ ERROR expected one of `)`, `,`, or `:`, found `@`
}
fn main() {}

View File

@@ -0,0 +1,25 @@
error: expected identifier, found keyword `self`
--> tests/ui/pinned_drop/invalid-self.rs:8:26
|
8 | fn take_ref_self(ref self: Pin<&mut Self>) {} //~ ERROR expected identifier, found keyword `self`
| ^^^^ expected identifier, found keyword
error: expected identifier, found keyword `self`
--> tests/ui/pinned_drop/invalid-self.rs:9:34
|
9 | fn take_ref_mut_self(ref mut self: Pin<&mut Self>) {} //~ ERROR expected identifier, found keyword `self`
| ^^^^ expected identifier, found keyword
error: expected parameter name, found `@`
--> tests/ui/pinned_drop/invalid-self.rs:11:25
|
11 | fn self_subpat(self @ S {}: Self) {} //~ ERROR expected one of `)`, `,`, or `:`, found `@`
| ^ expected parameter name
error: expected one of `)`, `,`, or `:`, found `@`
--> tests/ui/pinned_drop/invalid-self.rs:11:25
|
11 | fn self_subpat(self @ S {}: Self) {} //~ ERROR expected one of `)`, `,`, or `:`, found `@`
| -^ expected one of `)`, `,`, or `:`
| |
| help: missing `,`

View File

@@ -0,0 +1,231 @@
mod argument {
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct UnexpectedArg1(());
#[pinned_drop(foo)] //~ ERROR unexpected token
impl PinnedDrop for UnexpectedArg1 {
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct UnexpectedArg2(());
#[pinned_drop()] // Ok
impl PinnedDrop for UnexpectedArg2 {
fn drop(self: Pin<&mut Self>) {}
}
}
mod attribute {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Duplicate(());
#[pinned_drop]
#[pinned_drop] //~ ERROR duplicate #[pinned_drop] attribute
impl PinnedDrop for Duplicate {
fn drop(self: Pin<&mut Self>) {}
}
}
mod item {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct TraitImpl(());
#[pinned_drop]
impl Drop for TraitImpl {} //~ ERROR may only be used on implementation for the `PinnedDrop` trait
#[pin_project(PinnedDrop)]
struct InherentImpl(());
#[pinned_drop]
impl InherentImpl {} //~ ERROR may only be used on implementation for the `PinnedDrop` trait
#[pinned_drop]
fn func(_: Pin<&mut ()>) {} //~ ERROR expected `impl`
}
mod unsafety {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Impl(());
#[pinned_drop]
unsafe impl PinnedDrop for Impl {
//~^ ERROR implementing the trait `PinnedDrop` is not unsafe
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct Method(());
#[pinned_drop]
impl PinnedDrop for Method {
unsafe fn drop(self: Pin<&mut Self>) {} //~ ERROR implementing the method `drop` is not unsafe
}
}
mod assoc_item {
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct Empty(());
#[pinned_drop]
impl PinnedDrop for Empty {} //~ ERROR not all trait items implemented, missing: `drop`
#[pin_project(PinnedDrop)]
struct Const1(());
#[pinned_drop]
impl PinnedDrop for Const1 {
const A: u8 = 0; //~ ERROR const `A` is not a member of trait `PinnedDrop`
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct Const2(());
#[pinned_drop]
impl PinnedDrop for Const2 {
fn drop(self: Pin<&mut Self>) {}
const A: u8 = 0; //~ ERROR const `A` is not a member of trait `PinnedDrop`
}
#[pin_project(PinnedDrop)]
struct Type1(());
#[pinned_drop]
impl PinnedDrop for Type1 {
type A = u8; //~ ERROR type `A` is not a member of trait `PinnedDrop`
fn drop(self: Pin<&mut Self>) {}
}
#[pin_project(PinnedDrop)]
struct Type2(());
#[pinned_drop]
impl PinnedDrop for Type2 {
fn drop(self: Pin<&mut Self>) {}
type A = u8; //~ ERROR type `A` is not a member of trait `PinnedDrop`
}
#[pin_project(PinnedDrop)]
struct Duplicate(());
#[pinned_drop]
impl PinnedDrop for Duplicate {
fn drop(self: Pin<&mut Self>) {}
fn drop(self: Pin<&mut Self>) {} //~ ERROR duplicate definitions with name `drop`
}
}
mod method {
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct RetUnit(());
#[pinned_drop]
impl PinnedDrop for RetUnit {
fn drop(self: Pin<&mut Self>) -> () {} // Ok
}
#[pin_project(PinnedDrop)]
struct RetTy(());
#[pinned_drop]
impl PinnedDrop for RetTy {
fn drop(self: Pin<&mut Self>) -> Self {} //~ ERROR method `drop` must return the unit type
}
#[pin_project(PinnedDrop)]
struct NoArg(());
#[pinned_drop]
impl PinnedDrop for NoArg {
fn drop() {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct MultiArg(());
#[pinned_drop]
impl PinnedDrop for MultiArg {
fn drop(self: Pin<&mut Self>, _: ()) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg1(());
#[pinned_drop]
impl PinnedDrop for InvalidArg1 {
fn drop(&mut self) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg2(());
#[pinned_drop]
impl PinnedDrop for InvalidArg2 {
fn drop(_: Pin<&mut Self>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg3(());
#[pinned_drop]
impl PinnedDrop for InvalidArg3 {
fn drop(self: Pin<&Self>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidArg4(());
#[pinned_drop]
impl PinnedDrop for InvalidArg4 {
fn drop(self: Pin<&mut ()>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
}
#[pin_project(PinnedDrop)]
struct InvalidName(());
#[pinned_drop]
impl PinnedDrop for InvalidName {
fn pinned_drop(self: Pin<&mut Self>) {} //~ ERROR method `pinned_drop` is not a member of trait `PinnedDrop
}
}
mod self_ty {
use pin_project::pinned_drop;
#[pinned_drop]
impl PinnedDrop for () {
//~^ ERROR implementing the trait `PinnedDrop` on this type is unsupported
fn drop(self: Pin<&mut Self>) {}
}
#[pinned_drop]
impl PinnedDrop for &mut A {
//~^ ERROR implementing the trait `PinnedDrop` on this type is unsupported
fn drop(self: Pin<&mut Self>) {}
}
#[pinned_drop]
impl PinnedDrop for [A] {
//~^ ERROR implementing the trait `PinnedDrop` on this type is unsupported
fn drop(self: Pin<&mut Self>) {}
}
}
fn main() {}

View File

@@ -0,0 +1,143 @@
error: unexpected token: `foo`
--> tests/ui/pinned_drop/invalid.rs:9:19
|
9 | #[pinned_drop(foo)] //~ ERROR unexpected token
| ^^^
error: duplicate #[pinned_drop] attribute
--> tests/ui/pinned_drop/invalid.rs:30:5
|
30 | #[pinned_drop] //~ ERROR duplicate #[pinned_drop] attribute
| ^^^^^^^^^^^^^^
error: #[pinned_drop] may only be used on implementation for the `PinnedDrop` trait
--> tests/ui/pinned_drop/invalid.rs:43:10
|
43 | impl Drop for TraitImpl {} //~ ERROR may only be used on implementation for the `PinnedDrop` trait
| ^^^^
error: #[pinned_drop] may only be used on implementation for the `PinnedDrop` trait
--> tests/ui/pinned_drop/invalid.rs:49:10
|
49 | impl InherentImpl {} //~ ERROR may only be used on implementation for the `PinnedDrop` trait
| ^^^^^^^^^^^^
error: expected `impl`
--> tests/ui/pinned_drop/invalid.rs:52:5
|
52 | fn func(_: Pin<&mut ()>) {} //~ ERROR expected `impl`
| ^^
error: implementing the trait `PinnedDrop` is not unsafe
--> tests/ui/pinned_drop/invalid.rs:62:5
|
62 | unsafe impl PinnedDrop for Impl {
| ^^^^^^
error: implementing the method `drop` is not unsafe
--> tests/ui/pinned_drop/invalid.rs:72:9
|
72 | unsafe fn drop(self: Pin<&mut Self>) {} //~ ERROR implementing the method `drop` is not unsafe
| ^^^^^^
error: not all trait items implemented, missing: `drop`
--> tests/ui/pinned_drop/invalid.rs:83:5
|
83 | impl PinnedDrop for Empty {} //~ ERROR not all trait items implemented, missing: `drop`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: const `A` is not a member of trait `PinnedDrop`
--> tests/ui/pinned_drop/invalid.rs:90:9
|
90 | const A: u8 = 0; //~ ERROR const `A` is not a member of trait `PinnedDrop`
| ^^^^^^^^^^^^^^^^
error: const `A` is not a member of trait `PinnedDrop`
--> tests/ui/pinned_drop/invalid.rs:100:9
|
100 | const A: u8 = 0; //~ ERROR const `A` is not a member of trait `PinnedDrop`
| ^^^^^^^^^^^^^^^^
error: type `A` is not a member of trait `PinnedDrop`
--> tests/ui/pinned_drop/invalid.rs:108:9
|
108 | type A = u8; //~ ERROR type `A` is not a member of trait `PinnedDrop`
| ^^^^^^^^^^^^
error: type `A` is not a member of trait `PinnedDrop`
--> tests/ui/pinned_drop/invalid.rs:118:9
|
118 | type A = u8; //~ ERROR type `A` is not a member of trait `PinnedDrop`
| ^^^^^^^^^^^^
error: duplicate definitions with name `drop`
--> tests/ui/pinned_drop/invalid.rs:127:9
|
127 | fn drop(self: Pin<&mut Self>) {} //~ ERROR duplicate definitions with name `drop`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: method `drop` must return the unit type
--> tests/ui/pinned_drop/invalid.rs:149:42
|
149 | fn drop(self: Pin<&mut Self>) -> Self {} //~ ERROR method `drop` must return the unit type
| ^^^^
error: method `drop` must take an argument `self: Pin<&mut Self>`
--> tests/ui/pinned_drop/invalid.rs:157:16
|
157 | fn drop() {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
| ^^
error: method `drop` must take an argument `self: Pin<&mut Self>`
--> tests/ui/pinned_drop/invalid.rs:165:17
|
165 | fn drop(self: Pin<&mut Self>, _: ()) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: method `drop` must take an argument `self: Pin<&mut Self>`
--> tests/ui/pinned_drop/invalid.rs:173:17
|
173 | fn drop(&mut self) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
| ^^^^^^^^^
error: method `drop` must take an argument `self: Pin<&mut Self>`
--> tests/ui/pinned_drop/invalid.rs:181:17
|
181 | fn drop(_: Pin<&mut Self>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
| ^^^^^^^^^^^^^^^^^
error: method `drop` must take an argument `self: Pin<&mut Self>`
--> tests/ui/pinned_drop/invalid.rs:189:17
|
189 | fn drop(self: Pin<&Self>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
| ^^^^^^^^^^^^^^^^
error: method `drop` must take an argument `self: Pin<&mut Self>`
--> tests/ui/pinned_drop/invalid.rs:197:17
|
197 | fn drop(self: Pin<&mut ()>) {} //~ ERROR method `drop` must take an argument `self: Pin<&mut Self>`
| ^^^^^^^^^^^^^^^^^^
error: method `pinned_drop` is not a member of trait `PinnedDrop
--> tests/ui/pinned_drop/invalid.rs:205:12
|
205 | fn pinned_drop(self: Pin<&mut Self>) {} //~ ERROR method `pinned_drop` is not a member of trait `PinnedDrop
| ^^^^^^^^^^^
error: implementing the trait `PinnedDrop` on this type is unsupported
--> tests/ui/pinned_drop/invalid.rs:213:25
|
213 | impl PinnedDrop for () {
| ^^
error: implementing the trait `PinnedDrop` on this type is unsupported
--> tests/ui/pinned_drop/invalid.rs:219:25
|
219 | impl PinnedDrop for &mut A {
| ^^^^^^
error: implementing the trait `PinnedDrop` on this type is unsupported
--> tests/ui/pinned_drop/invalid.rs:225:25
|
225 | impl PinnedDrop for [A] {
| ^^^

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@@ -0,0 +1,17 @@
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project]
struct S {
#[pin]
f: u8,
}
#[pinned_drop]
impl PinnedDrop for S {
//~^ ERROR E0119
fn drop(self: Pin<&mut Self>) {}
}
fn main() {}

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@@ -0,0 +1,8 @@
error[E0119]: conflicting implementations of trait `_::_pin_project::__private::PinnedDrop` for type `S`
--> tests/ui/pinned_drop/pinned-drop-no-attr-arg.rs:12:1
|
5 | #[pin_project]
| -------------- first implementation here
...
12 | impl PinnedDrop for S {
| ^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S`

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@@ -0,0 +1,58 @@
pub mod self_in_macro_def {
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
pub struct S {
f: (),
}
#[pinned_drop]
impl PinnedDrop for S {
fn drop(self: Pin<&mut Self>) {
macro_rules! t {
() => {{
let _ = self; //~ ERROR E0434
fn f(self: ()) {} //~ ERROR `self` parameter is only allowed in associated functions
}};
}
t!();
}
}
}
pub mod self_span {
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
pub struct S {
f: (),
}
#[pinned_drop]
impl PinnedDrop for S {
fn drop(self: Pin<&mut Self>) {
let _: () = self; //~ ERROR E0308
let _: Self = Self; //~ ERROR E0423
}
}
#[pin_project(PinnedDrop)]
pub enum E {
V { f: () },
}
#[pinned_drop]
impl PinnedDrop for E {
fn drop(self: Pin<&mut Self>) {
let _: () = self; //~ ERROR E0308
let _: Self = Self::V; //~ ERROR E0533
}
}
}
fn main() {}

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@@ -0,0 +1,62 @@
error: `self` parameter is only allowed in associated functions
--> tests/ui/pinned_drop/self.rs:18:26
|
18 | fn f(self: ()) {} //~ ERROR `self` parameter is only allowed in associated functions
| ^^^^ not semantically valid as function parameter
...
21 | t!();
| ---- in this macro invocation
|
= note: associated functions are those in `impl` or `trait` definitions
= note: this error originates in the macro `t` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0434]: can't capture dynamic environment in a fn item
--> tests/ui/pinned_drop/self.rs:16:29
|
16 | let _ = self; //~ ERROR E0434
| ^^^^
...
21 | t!();
| ---- in this macro invocation
|
= help: use the `|| { ... }` closure form instead
= note: this error originates in the macro `t` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0423]: expected value, found struct `S`
--> tests/ui/pinned_drop/self.rs:40:27
|
32 | / pub struct S {
33 | | f: (),
34 | | }
| |_____- `S` defined here
...
40 | let _: Self = Self; //~ ERROR E0423
| ^^^^ help: use struct literal syntax instead: `S { f: val }`
error[E0308]: mismatched types
--> tests/ui/pinned_drop/self.rs:39:25
|
39 | let _: () = self; //~ ERROR E0308
| -- ^^^^ expected `()`, found struct `Pin`
| |
| expected due to this
|
= note: expected unit type `()`
found struct `Pin<&mut self_span::S>`
error[E0308]: mismatched types
--> tests/ui/pinned_drop/self.rs:52:25
|
52 | let _: () = self; //~ ERROR E0308
| -- ^^^^ expected `()`, found struct `Pin`
| |
| expected due to this
|
= note: expected unit type `()`
found struct `Pin<&mut E>`
error[E0533]: expected unit struct, unit variant or constant, found struct variant `E::V`
--> tests/ui/pinned_drop/self.rs:53:27
|
53 | let _: Self = Self::V; //~ ERROR E0533
| ^^^^^^^

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@@ -0,0 +1,18 @@
use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin_project(PinnedDrop)]
struct S {
#[pin]
f: u8,
}
#[pinned_drop]
impl PinnedDrop for S {
fn drop(self: Pin<&mut Self>) {
self.project().f.get_unchecked_mut(); //~ ERROR call to unsafe function is unsafe and requires unsafe function or block [E0133]
}
}
fn main() {}

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@@ -0,0 +1,7 @@
error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
--> tests/ui/pinned_drop/unsafe-call.rs:14:9
|
14 | self.project().f.get_unchecked_mut(); //~ ERROR call to unsafe function is unsafe and requires unsafe function or block [E0133]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
|
= note: consult the function's documentation for information on how to avoid undefined behavior

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@@ -0,0 +1,30 @@
use pin_project::pin_project;
#[pin_project(UnsafeUnpin)] //~ ERROR E0119
struct Foo<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T, U> Unpin for Foo<T, U> where T: Unpin {}
#[pin_project(UnsafeUnpin)] //~ ERROR E0119
struct Bar<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T, U> Unpin for Bar<T, U> {}
#[pin_project(UnsafeUnpin)] //~ ERROR E0119
struct Baz<T, U> {
#[pin]
f1: T,
f2: U,
}
impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {}
fn main() {}

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@@ -0,0 +1,32 @@
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Foo<_, _>`
--> tests/ui/unsafe_unpin/conflict-unpin.rs:3:15
|
3 | #[pin_project(UnsafeUnpin)] //~ ERROR E0119
| ^^^^^^^^^^^ conflicting implementation for `Foo<_, _>`
...
10 | impl<T, U> Unpin for Foo<T, U> where T: Unpin {}
| ------------------------------ first implementation here
|
= note: upstream crates may add a new impl of trait `_::_pin_project::UnsafeUnpin` for type `_::_pin_project::__private::Wrapper<'_, Foo<_, _>>` in future versions
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Bar<_, _>`
--> tests/ui/unsafe_unpin/conflict-unpin.rs:12:15
|
12 | #[pin_project(UnsafeUnpin)] //~ ERROR E0119
| ^^^^^^^^^^^ conflicting implementation for `Bar<_, _>`
...
19 | impl<T, U> Unpin for Bar<T, U> {}
| ------------------------------ first implementation here
|
= note: upstream crates may add a new impl of trait `_::_pin_project::UnsafeUnpin` for type `_::_pin_project::__private::Wrapper<'_, Bar<_, _>>` in future versions
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Baz<_, _>`
--> tests/ui/unsafe_unpin/conflict-unpin.rs:21:15
|
21 | #[pin_project(UnsafeUnpin)] //~ ERROR E0119
| ^^^^^^^^^^^ conflicting implementation for `Baz<_, _>`
...
28 | impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {}
| -------------------------------------------- first implementation here
|
= note: upstream crates may add a new impl of trait `_::_pin_project::UnsafeUnpin` for type `_::_pin_project::__private::Wrapper<'_, Baz<_, _>>` in future versions

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@@ -0,0 +1,7 @@
# UI tests for unstable features
These tests check how the guarantees and features provided by pin-project
interact with unstable language features.
The names of the files contained in this directory need to begin with the name
of the feature.

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@@ -0,0 +1,20 @@
// Note: If you change this test, change 'marker_trait_attr.rs' at the same time.
use std::marker::PhantomPinned;
use pin_project::pin_project;
#[pin_project] //~ ERROR E0119
struct Struct<T> {
#[pin]
f: T,
}
// unsound Unpin impl
impl<T> Unpin for Struct<T> {}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<Struct<PhantomPinned>>()
}

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@@ -0,0 +1,10 @@
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Struct<_>`
--> tests/ui/unstable-features/marker_trait_attr-feature-gate.rs:7:1
|
7 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Struct<_>`
...
14 | impl<T> Unpin for Struct<T> {}
| --------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,26 @@
// Note: If you change this test, change 'marker_trait_attr-feature-gate.rs' at the same time.
// marker_trait_attr
// Tracking issue: https://github.com/rust-lang/rust/issues/29864
#![feature(marker_trait_attr)]
// See https://github.com/taiki-e/pin-project/issues/105#issuecomment-535355974
use std::marker::PhantomPinned;
use pin_project::pin_project;
#[pin_project] //~ ERROR E0119
struct Struct<T> {
#[pin]
f: T,
}
// unsound Unpin impl
impl<T> Unpin for Struct<T> {}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<Struct<PhantomPinned>>()
}

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@@ -0,0 +1,10 @@
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Struct<_>`
--> tests/ui/unstable-features/marker_trait_attr.rs:13:1
|
13 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Struct<_>`
...
20 | impl<T> Unpin for Struct<T> {}
| --------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,23 @@
#![feature(negative_impls)]
#![deny(suspicious_auto_trait_impls)]
// https://rust-lang.zulipchat.com/#narrow/stream/213817-t-lang/topic/design.20meeting.3A.20backlog.20bonanza/near/269471299
// https://github.com/taiki-e/pin-project/issues/340
#[pin_project::pin_project]
struct Foo<Pinned, Unpinned> {
#[pin]
pinned: Pinned,
unpinned: Unpinned,
}
struct MyPhantomPinned {}
impl !Unpin for MyPhantomPinned {}
impl Unpin for Foo<MyPhantomPinned, ()> {}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<Foo<MyPhantomPinned, ()>>()
}

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@@ -0,0 +1,19 @@
error: cross-crate traits with a default impl, like `Unpin`, should not be specialized
--> tests/ui/unstable-features/negative_impls.rs:17:1
|
17 | impl Unpin for Foo<MyPhantomPinned, ()> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> tests/ui/unstable-features/negative_impls.rs:2:9
|
2 | #![deny(suspicious_auto_trait_impls)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
= warning: this will change its meaning in a future release!
= note: for more information, see issue #93367 <https://github.com/rust-lang/rust/issues/93367>
= note: `MyPhantomPinned` is not a generic parameter
note: try using the same sequence of generic parameters as the struct definition
--> tests/ui/unstable-features/negative_impls.rs:8:1
|
8 | struct Foo<Pinned, Unpinned> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

View File

@@ -0,0 +1,20 @@
// Note: If you change this test, change 'overlapping_marker_traits.rs' at the same time.
use std::marker::PhantomPinned;
use pin_project::pin_project;
#[pin_project] //~ ERROR E0119
struct Struct<T> {
#[pin]
f: T,
}
// unsound Unpin impl
impl<T> Unpin for Struct<T> {}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<Struct<PhantomPinned>>()
}

View File

@@ -0,0 +1,10 @@
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Struct<_>`
--> tests/ui/unstable-features/overlapping_marker_traits-feature-gate.rs:7:1
|
7 | #[pin_project] //~ ERROR E0119
| ^^^^^^^^^^^^^^ conflicting implementation for `Struct<_>`
...
14 | impl<T> Unpin for Struct<T> {}
| --------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,30 @@
// Note: If you change this test, change 'overlapping_marker_traits-feature-gate.rs' at the same time.
// This feature could break the guarantee for Unpin provided by pin-project,
// but was removed in https://github.com/rust-lang/rust/pull/68544 (nightly-2020-02-06).
// Refs:
// - https://github.com/rust-lang/rust/issues/29864#issuecomment-515780867
// - https://github.com/taiki-e/pin-project/issues/105
// overlapping_marker_traits
// Tracking issue: https://github.com/rust-lang/rust/issues/29864
#![feature(overlapping_marker_traits)]
use std::marker::PhantomPinned;
use pin_project::pin_project;
#[pin_project]
struct Struct<T> {
#[pin]
f: T,
}
// unsound Unpin impl
impl<T> Unpin for Struct<T> {}
fn is_unpin<T: Unpin>() {}
fn main() {
is_unpin::<Struct<PhantomPinned>>()
}

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@@ -0,0 +1,18 @@
error[E0557]: feature has been removed
--> tests/ui/unstable-features/overlapping_marker_traits.rs:11:12
|
11 | #![feature(overlapping_marker_traits)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
|
= note: removed in favor of `#![feature(marker_trait_attr)]`
error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Struct<_>`
--> tests/ui/unstable-features/overlapping_marker_traits.rs:17:1
|
17 | #[pin_project]
| ^^^^^^^^^^^^^^ conflicting implementation for `Struct<_>`
...
24 | impl<T> Unpin for Struct<T> {}
| --------------------------- first implementation here
|
= note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)

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@@ -0,0 +1,53 @@
// Note: If you change this test, change 'trivial_bounds.rs' at the same time.
mod phantom_pinned {
use std::marker::{PhantomData, PhantomPinned};
struct A(PhantomPinned);
impl Unpin for A where PhantomPinned: Unpin {} //~ ERROR E0277
struct Wrapper<T>(T);
impl<T> Unpin for Wrapper<T> where T: Unpin {}
struct B(PhantomPinned);
impl Unpin for B where Wrapper<PhantomPinned>: Unpin {} //~ ERROR E0277
struct WrapperWithLifetime<'a, T>(PhantomData<&'a ()>, T);
impl<T> Unpin for WrapperWithLifetime<'_, T> where T: Unpin {}
struct C(PhantomPinned);
impl<'a> Unpin for C where WrapperWithLifetime<'a, PhantomPinned>: Unpin {} // Ok
}
mod inner {
use std::marker::{PhantomData, PhantomPinned};
struct Inner(PhantomPinned);
struct A(Inner);
impl Unpin for A where Inner: Unpin {} //~ ERROR E0277
struct Wrapper<T>(T);
impl<T> Unpin for Wrapper<T> where T: Unpin {}
struct B(Inner);
impl Unpin for B where Wrapper<Inner>: Unpin {} //~ ERROR E0277
struct WrapperWithLifetime<'a, T>(PhantomData<&'a ()>, T);
impl<T> Unpin for WrapperWithLifetime<'_, T> where T: Unpin {}
struct C(Inner);
impl<'a> Unpin for C where WrapperWithLifetime<'a, Inner>: Unpin {} // Ok
}
fn main() {}

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@@ -0,0 +1,59 @@
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:8:28
|
8 | impl Unpin for A where PhantomPinned: Unpin {} //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^ the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
= help: see issue #48214
= help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:16:28
|
16 | impl Unpin for B where Wrapper<PhantomPinned>: Unpin {} //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because of the requirements on the impl of `Unpin` for `phantom_pinned::Wrapper<PhantomPinned>`
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:12:13
|
12 | impl<T> Unpin for Wrapper<T> where T: Unpin {}
| ^^^^^ ^^^^^^^^^^
= help: see issue #48214
= help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:34:28
|
34 | impl Unpin for A where Inner: Unpin {} //~ ERROR E0277
| ^^^^^^^^^^^^ within `Inner`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `Inner`
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:30:12
|
30 | struct Inner(PhantomPinned);
| ^^^^^
= help: see issue #48214
= help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
error[E0277]: `PhantomPinned` cannot be unpinned
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:42:28
|
42 | impl Unpin for B where Wrapper<Inner>: Unpin {} //~ ERROR E0277
| ^^^^^^^^^^^^^^^^^^^^^ within `Inner`, the trait `Unpin` is not implemented for `PhantomPinned`
|
= note: consider using `Box::pin`
note: required because it appears within the type `Inner`
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:30:12
|
30 | struct Inner(PhantomPinned);
| ^^^^^
note: required because of the requirements on the impl of `Unpin` for `inner::Wrapper<Inner>`
--> tests/ui/unstable-features/trivial_bounds-feature-gate.rs:38:13
|
38 | impl<T> Unpin for Wrapper<T> where T: Unpin {}
| ^^^^^ ^^^^^^^^^^
= help: see issue #48214
= help: add `#![feature(trivial_bounds)]` to the crate attributes to enable

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@@ -0,0 +1,38 @@
// Note: If you change this test, change 'trivial_bounds-feature-gate.rs' at the same time.
// trivial_bounds
// Tracking issue: https://github.com/rust-lang/rust/issues/48214
#![feature(trivial_bounds)]
#![deny(trivial_bounds)]
use std::marker::{PhantomData, PhantomPinned};
fn inner() {
struct Inner(PhantomPinned);
struct A(PhantomPinned);
impl Unpin for A where PhantomPinned: Unpin {} //~ ERROR Unpin does not depend on any type or lifetime parameters
struct B(Inner);
impl Unpin for B where Inner: Unpin {} //~ ERROR Unpin does not depend on any type or lifetime parameters
struct Wrapper<T>(T);
impl<T> Unpin for Wrapper<T> where T: Unpin {}
struct C(Inner);
impl Unpin for C where Wrapper<Inner>: Unpin {} //~ ERROR Unpin does not depend on any type or lifetime parameters
struct WrapperWithLifetime<'a, T>(PhantomData<&'a ()>, T);
impl<T> Unpin for WrapperWithLifetime<'_, T> where T: Unpin {}
struct D(Inner);
impl<'a> Unpin for D where WrapperWithLifetime<'a, Inner>: Unpin {} // Ok
}
fn main() {}

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@@ -0,0 +1,23 @@
error: trait bound PhantomPinned: Unpin does not depend on any type or lifetime parameters
--> tests/ui/unstable-features/trivial_bounds.rs:15:43
|
15 | impl Unpin for A where PhantomPinned: Unpin {} //~ ERROR Unpin does not depend on any type or lifetime parameters
| ^^^^^
|
note: the lint level is defined here
--> tests/ui/unstable-features/trivial_bounds.rs:6:9
|
6 | #![deny(trivial_bounds)]
| ^^^^^^^^^^^^^^
error: trait bound Inner: Unpin does not depend on any type or lifetime parameters
--> tests/ui/unstable-features/trivial_bounds.rs:19:35
|
19 | impl Unpin for B where Inner: Unpin {} //~ ERROR Unpin does not depend on any type or lifetime parameters
| ^^^^^
error: trait bound Wrapper<Inner>: Unpin does not depend on any type or lifetime parameters
--> tests/ui/unstable-features/trivial_bounds.rs:27:44
|
27 | impl Unpin for C where Wrapper<Inner>: Unpin {} //~ ERROR Unpin does not depend on any type or lifetime parameters
| ^^^^^