packunpack.pas

program PackUnpack(output);

{
    ISO 10206 Tests
    Copyright (C) 2017  Keith Bowes

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  }

var
  a, c: array[1..2] of char;
  b: packed array[0..1] of char;

begin
  a := 'Hi';
  Pack(a, 1, b);
  WriteLn(a, ' is packed as ', b);
  Unpack(b, c, 1);
  WriteLn(b, ' is unpacked as ', c);
end.