{"ast_node_type":"enum","tokens":[{"end":28,"kind":"keyword","start":0,"text":"enum"}]}
enum Foo<T = i32> { Foo(T) }
            r#"//- minicore: todo, unimplemented
fn f() { let a: Foo<u32> = Foo::Foo(0); let b: Foo<u32> = todo$0!(); }"#,