{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
    let d: HasDrop<Baz<[i32; 4]>> = HasDrop { ptr: Box::new(0), data: Baz { a: [1, 2, 3, 4] } };
    assert_eq!([1, 2, 3, 4], d.data.a);