{"ast_node_type":"function","tokens":[{"end":90,"kind":"keyword","start":0,"text":"expect![[\"macro_rules!"}]}
        expect![["macro_rules! try_ {() => {}} fn f1() -> Result<(), E> {bar(foo()?);}"]],
        "macro_rules! try_ {() => {}} fn f1() -> Result<(), E> {bar(try_!(foo()));}",
    );