{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"f1(t.0);"}]}
    f1(t.0);                    // deref, no parens
    let v: &i32 = &t.0;         // no deref, no parens, remove `&`
    f2(&t.0);                   // `&*` -> cancel out -> no deref, no parens