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mod pin_argument {
use pin_project::pin_project;
#[pin_project]
struct Struct {
#[pin()] //~ ERROR unexpected token
field: (),
}
#[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
field: (),
},
}
}
mod pin_attribute {
use pin_project::pin_project;
#[pin_project]
struct DuplicateStruct {
#[pin]
#[pin] //~ ERROR duplicate #[pin] attribute
field: (),
}
#[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
field: (),
},
}
}
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]
field: (),
}
#[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(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 duplicate `PinnedDrop` argument
struct DuplicatePinnedDrop(#[pin] ());
#[pin_project(Replace, Replace)] //~ ERROR duplicate `Replace` argument
struct DuplicateReplace(#[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_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 DuplicateProjectReplace(#[pin] ());
#[pin_project(project_replace = A)] //~ ERROR `project_replace` argument can only be used together with `Replace` argument
struct ProjectReplaceWithoutReplace(#[pin] ());
#[pin_project(PinnedDrop, Replace)] //~ ERROR arguments `PinnedDrop` and `Replace` are mutually exclusive
struct PinnedDropWithReplace1(#[pin] ());
#[pin_project(Replace, UnsafeUnpin, PinnedDrop)] //~ ERROR arguments `PinnedDrop` and `Replace` are mutually exclusive
struct PinnedDropWithReplace2(#[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 unexpected end of input, expected `Unpin`
struct NotUnpin1(#[pin] ());
#[pin_project(Unpin)] //~ ERROR unexpected argument
struct NotUnpin2(#[pin] ());
#[pin_project(project)] //~ ERROR expected `=`
struct Project1(#[pin] ());
#[pin_project(project = )] //~ ERROR unexpected end of input, expected identifier
struct Project2(#[pin] ());
#[pin_project(project_ref)] //~ ERROR expected `=`
struct ProjectRef1(#[pin] ());
#[pin_project(project_ref = )] //~ ERROR unexpected end of input, expected identifier
struct ProjectRef2(#[pin] ());
#[pin_project(project_replace)] //~ ERROR expected `=`
struct ProjectReplace1(#[pin] ());
#[pin_project(project_replace = )] //~ ERROR unexpected end of input, expected identifier
struct ProjectReplace2(#[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: (),
}
}
// #[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() {}
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