create or replace type r_test_type as object (
  i number,
  j number,
  static function r_function (k number) return self as result
)

implementation restriction (may be temporary) SELF AS RESULT in member methods

create or replace type body r_test_type as object (
is
  constructor function r_function (k number) Return Self As Result
  is 
  begin
    Self.k:=k;
  Return;
  end;
)not after final;

create or replace type r_test_type as object (
  i number,
  j number,
  static function r_function (k number) return number
)

create or replace type body r_test_type as object (
is
  constructor function r_function (k number) Return Self As Result
  is 
  begin
    Self.k:=k;
  Return;
  end;
)not after final;

declare p r_test_type;
  i number;
begin
  dbms_output.put_line (p.r_function(1));
end;

p.i 
p.j

create or replace type r_test_type as object (
  i number,
  j number,
  static function r_function (k number) Return number
)

create or replace type body r_test_type as object (
is
  constructor function r_function (k number) Return Self As Result
  is
  begin
    Self.k:=k;
  Return;
  end;
)not after final;

create or replace type r_test_type as object (
  i number,
  j number,
  static function r_function (k number) Return SELF AS RESALT
)