{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"assert_eq!(127i8,"}]}
    assert_eq!(127i8, 127i8.saturating_sub(-128));
    assert_eq!(-128i8, (-128i8).saturating_sub(1));
    assert_eq!(-128i8, (-128i8).saturating_add(-128));