{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"assert_eq_pnsat!(\"%*s\","}]}
    assert_eq_pnsat!("%*s", None);
    assert_eq_pnsat!("%-10s", Some("{:<10}"));
    assert_eq_pnsat!("%-10.*s", Some("{:<10.*}"));