{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"assert_eq!(\"345\","}]}
    assert_eq!("345", isize_with_underscores(345));
    assert_eq!("99", isize_with_underscores(99));
    assert_eq!("-1_000", isize_with_underscores(-1_000));