{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"assert_eq!(\"-100_000.0\","}]}
    assert_eq!("-100_000.0", f64p1_with_underscores(-100_000f64));
    assert_eq!("345.5", f64p1_with_underscores(345.4999999));
    assert_eq!("123_456_789.1", f64p1_with_underscores(123456789.123456789));