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    Names: »V«

└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 

TextFile

with Root;

package Nest is

    type Main_Class is (Void, Nest_Class);

    package Application is new Root (Main_Class);


    type State is private;

    type State_Ptr is private;

    type Sub_Class is (Void, It_Self);

    type Object is new Application.Object;


    function Create (Offspring_No : Sub_Class) return Object;

    procedure Delete (This_Nest : in out Object);

    procedure Set_Place (This_Nest : Object; Number : Positive);

    function Get_Place (This_Nest : Object) return Positive;

    procedure Image (This_Nest : Object);


-- PROTECTED

    function Part_Of (This_Nest : Object) return State_Ptr;

    procedure Set_Heir (This_State_Ptr : in out State_Ptr;
                        Heir : Application.Object);

    function Get_Heir (This_State_Ptr : State_Ptr) return Application.Object;


private

    type State is
        record
            Offspring_No : Sub_Class;
            Heir : Application.Object;
            Number_Of_Place : Positive;
        end record;

    type State_Ptr is access State;

end Nest;