41 lines
830 B
Rust
41 lines
830 B
Rust
|
pub struct ExternFoo;
|
||
|
|
|
||
|
|
pub trait ExternTrait {
|
||
|
|
const CONST: u32;
|
||
|
|
type Assoc;
|
||
|
|
}
|
||
|
|
|
||
|
|
impl ExternTrait for ExternFoo {
|
||
|
|
const CONST: u32 = 0;
|
||
|
|
type Assoc = ExternFoo;
|
||
|
|
}
|
||
|
|
|
||
|
|
#[macro_export]
|
||
|
|
macro_rules! external { () => {
|
||
|
|
mod bar {
|
||
|
|
#[derive(Double)]
|
||
|
|
struct Bar($crate::ExternFoo);
|
||
|
|
}
|
||
|
|
|
||
|
|
mod qself {
|
||
|
|
#[derive(Double)]
|
||
|
|
struct QSelf(<$crate::ExternFoo as $crate::ExternTrait>::Assoc);
|
||
|
|
}
|
||
|
|
|
||
|
|
mod qself_recurse {
|
||
|
|
#[derive(Double)]
|
||
|
|
struct QSelfRecurse(<
|
||
|
|
<$crate::ExternFoo as $crate::ExternTrait>::Assoc
|
||
|
|
as $crate::ExternTrait>::Assoc
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
mod qself_in_const {
|
||
|
|
#[derive(Double)]
|
||
|
|
#[repr(u32)]
|
||
|
|
enum QSelfInConst {
|
||
|
|
Variant = <$crate::ExternFoo as $crate::ExternTrait>::CONST,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} }
|