-------- SIMTEL20 Ada Software Repository Prologue ------------
--                                                           -*
-- Unit name    : stack_package
-- Version      : 1.0
-- Author       : Tom Duke
--              : TI Ada Technology Branch
--              : PO Box 801, MS 8007
--              : McKinney, TX  75069
-- DDN Address  : DUKE%TI-EG at CSNET-RELAY
-- Copyright    : (c) N/A 
-- Date created : 16 Apr 85 
-- Release date : 16 Apr 85 
-- Last update  : 16 Apr 85 
-- Machine/System Compiled/Run on :DG MV 10000, ROLM ADE
--                                                           -*
---------------------------------------------------------------
--                                                           -*
-- Keywords     : stack, generic stack 
----------------:
--
-- Abstract     : This is a generic package that provides the types,
----------------: procedures, and exceptions to define an abstract stack
----------------: and its corresponding operations.  Using an
----------------: instantiation of this generic package, one can declare
----------------: multiple versions of a stack of type GENERIC_STACK.
----------------: The stack operations provided include:
----------------: 1. clear the stack,
----------------: 2. pop the stack,
----------------: 3. push an element onto the stack, and
----------------: 4. access the top element on the stack.
----------------:  
--                                                           -*
------------------ Revision history ---------------------------
--                                                           -*
-- DATE         VERSION	AUTHOR                  HISTORY
-- 4/16/85	1.0	Tom Duke		Initial Release
--                                                           -*
------------------ Distribution and Copyright -----------------
--                                                           -*
-- This prologue must be included in all copies of this software.
--
-- This software is released to the Ada community.
-- This software is released to the Public Domain (note:
--   software released to the Public Domain is not subject
--   to copyright protection).
-- Restrictions on use or distribution:  NONE
--                                                           -*
------------------ Disclaimer ---------------------------------
--                                                           -*
-- This software and its documentation are provided "AS IS" and
-- without any expressed or implied warranties whatsoever.
-- No warranties as to performance, merchantability, or fitness
-- for a particular purpose exist.
--
-- Because of the diversity of conditions and hardware under
-- which this software may be used, no warranty of fitness for
-- a particular purpose is offered.  The user is advised to
-- test the software thoroughly before relying on it.  The user
-- must assume the entire risk and liability of using this
-- software.
--
-- In no event shall any person or organization of people be
-- held responsible for any direct, indirect, consequential
-- or inconsequential damages or lost profits.
--                                                           -*
-------------------END-PROLOGUE--------------------------------