(Program
  (Module
    (Identifier))
  (Function
    (Identifier)
    (Args)
    (Other "const_declaration"
      (VarAssignment
        (Identifier)
        (Other "expression_list"
          (Other "composite_literal"
            (ArrayTy
              (Identifier))
          { (NumberLiteral)
          ->(NumberLiteral) }
          { (NumberLiteral)
          ->(NumberLiteral) }
          {+(NumberLiteral)+}
          {-(NumberLiteral)-}))))))