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    Length: 1083 (0x43b)
    Types: TextFile
    Names: »V«

└─⟦d10a02448⟧ Bits:30000409 8mm tape, Rational 1000, ENVIRONMENT, D_12_7_3
    └─ ⟦fc9b38f02⟧ »DATA« 
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            └─⟦12c68c704⟧ 
                └─⟦this⟧ 
└─⟦5f3412b64⟧ Bits:30000745 8mm tape, Rational 1000, ENVIRONMENT 12_6_5 TOOLS 
    └─ ⟦91c658230⟧ »DATA« 
        └─⟦458657fb6⟧ 
            └─⟦220843204⟧ 
                └─⟦this⟧ 

TextFile

generic
    type Element is private;

    pragma Must_Be_Constrained (Yes => Element);
package Stack_Generic is
    pragma Subsystem (Abstract_Types, Private_Part => Open);
    pragma Module_Name (4, 714);

    type Stack is private;
    Empty_Stack : constant Stack;
    -- It is expected that a declared stack is initialized to Empty_Stack

    procedure Make_Empty (S : in out Stack);
    procedure Pop        (S : in out Stack);
    procedure Push       (X : Element; S : in out Stack);
    function  Empty      (S : Stack) return Boolean;
    function  Top        (S : Stack) return Element;

    procedure Copy (Target : in out Stack; Source : Stack);

    Underflow : exception;


    type Iterator is private;

    procedure Init (Iter : out Iterator; S : Stack);
    procedure Next (Iter : in out Iterator);

    function Value (Iter : Iterator) return Element;
    function Done  (Iter : Iterator) return Boolean;

private
    type Stack_Node;
    type Stack is access Stack_Node;
    Empty_Stack : constant Stack := null;
    type Iterator is new Stack;
end Stack_Generic;