MODULE@0..12
  EXPR_STMT@0..5
    UNARY_EXPR@0..5
      NAME_REF@0..3
        IDENT@0..3 "foo"
      PLUS2@3..5 "++"
  WHITESPACE@5..6 "\n"
  EXPR_STMT@6..11
    UNARY_EXPR@6..11
      NAME_REF@6..9
        IDENT@6..9 "foo"
      MINUS2@9..11 "--"
  WHITESPACE@11..12 "\n"