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1 720 jeremybenn
-- FC51D00.A
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--
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--
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-- FOUNDATION DESCRIPTION:
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--      This foundation defines a generic list abstraction. List elements can
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--      be of any (nonlimited) type. Lists are implemented as arrays of
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--      pointers and are only two elements in length.
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--
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-- CHANGE HISTORY:
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--      06 Dec 94   SAIC    ACVC 2.0
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--
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--!
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generic
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   type Element_Type (<>) is private;
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package FC51D00 is  -- This package simulates a generic list abstraction.
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   -- The definition of List_Type below is purely artificial; its validity
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   -- in the context of the abstraction is irrelevant to the feature being
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   -- tested.
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   type Element_Ptr is access Element_Type;
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   subtype List_Size is Natural range 1 .. 2;
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   type List_Type is array (List_Size) of Element_Ptr;
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   function  View_Element (I : List_Size; L : List_Type) return Element_Type;
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   procedure Write_Element (I : in     List_Size;
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                            L : in out List_Type;
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                            E : in     Element_Type);
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   -- ... Other list operations for Element_Type.
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end FC51D00;
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     --==================================================================--
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package body FC51D00 is
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   -- The implementations of the operations below are purely artificial; the
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   -- validity of their implementations in the context of the abstraction is
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   -- irrelevant to the feature being tested.
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   function View_Element (I : List_Size; L : List_Type) return Element_Type is
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   begin
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      return L(I).all;
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   end View_Element;
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   procedure Write_Element (I : in     List_Size;
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                            L : in out List_Type;
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                            E : in     Element_Type) is
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   begin
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      L(I) := new Element_Type'(E);
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   end Write_Element;
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end FC51D00;

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