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1 12 jlechner
-- A2A031A.ADA
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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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-- CHECK THAT AN EXCLAMATION MARK CAN REPLACE A VERTICAL BAR WHEN THE
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-- VERTICAL BAR IS USED AS A SEPARATOR.
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-- CONTEXTS ARE:
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--   AS A CHOICE IN A VARIANT PART
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--   IN A DISCRIMINANT CONSTRAINT
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--   IN A CASE STATEMENT CHOICE
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--   IN AN AGGREGATE
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--   IN AN EXCEPTION HANDLER.
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-- JBG 5/25/85
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WITH REPORT; USE REPORT;
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PROCEDURE A2A031A IS
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     TYPE ENUM IS (E1, E2, E3);
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     TYPE REC (A, B : ENUM) IS
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          RECORD
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               C : INTEGER;
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               CASE A IS
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                    WHEN E1 ! E2 =>     -- CHOICE OF VARIANT.
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                         D : INTEGER;
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                    WHEN E3 =>
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                         E : FLOAT;
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               END CASE;
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          END RECORD;
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     EX1, EX2, EX3 : EXCEPTION;
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     VAR  : REC (A!B => E2);            -- DISCRIMINANT CONSTRAINT.
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     EVAR : ENUM := E2;
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BEGIN
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     TEST ("A2A031A", "CHECK USE OF ! AS SEPARATOR IN PLACE OF |");
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     CASE EVAR IS
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          WHEN E3 => NULL;
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          WHEN E2!E1 => NULL;           -- CASE STATEMENT CHOICE.
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     END CASE;
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     VAR := (A!B => E2, C ! D => 0);    -- AGGREGATE.
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     RESULT;
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EXCEPTION
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     WHEN EX1!EX2 ! EX3 => NULL;        -- EXCEPTION HANDLER.
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END A2A031A;

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