mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-02 07:22:42 +00:00
25 lines
475 B
Rust
25 lines
475 B
Rust
//@ build-pass
|
|
struct Inv<'a>(&'a mut &'a ());
|
|
enum Foo<T> {
|
|
Bar,
|
|
Var(T),
|
|
}
|
|
type Supertype = Foo<for<'a> fn(Inv<'a>, Inv<'a>)>;
|
|
|
|
fn foo(x: Foo<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>) {
|
|
match x {
|
|
Supertype::Bar => {}
|
|
Supertype::Var(x) => {}
|
|
}
|
|
}
|
|
|
|
fn foo_nested(x: Foo<Foo<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>>) {
|
|
match x {
|
|
Foo::Bar => {}
|
|
Foo::Var(Supertype::Bar) => {}
|
|
Foo::Var(Supertype::Var(x)) => {}
|
|
}
|
|
}
|
|
|
|
fn main() {}
|