package ext1 istype I_Smiley is interface;procedure Set_Mood (Obj :out I_Smiley)is abstract;-- type Smiley (Max :Positive)is abstract new I_Smiley with record
S :String(1.. Max);end record;-- type Regular_Smiley is new Smiley (3)with null record;
overriding
procedure Set_Mood (Obj :out Regular_Smiley);end ext1;