{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"assert!(make_memory_layout(r#\"$0\"#).is_none());"}]}
        assert!(make_memory_layout(r#"$0"#).is_none());
    fn view_memory_layout_none() {
        assert!(make_memory_layout(r#"stru$0ct Blah {}"#).is_none());