1--  Copyright 2007-2023 Free Software Foundation, Inc.
2--
3--  This program is free software; you can redistribute it and/or modify
4--  it under the terms of the GNU General Public License as published by
5--  the Free Software Foundation; either version 3 of the License, or
6--  (at your option) any later version.
7--
8--  This program is distributed in the hope that it will be useful,
9--  but WITHOUT ANY WARRANTY; without even the implied warranty of
10--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11--  GNU General Public License for more details.
12--
13--  You should have received a copy of the GNU General Public License
14--  along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16package Pck is
17
18   Procedure_Result : Character := ' ';
19
20   procedure Same (C : Character);
21   --  Set Procedure_Result to C.
22
23   procedure Next (C : in out Character);
24   --  Increment C (if C is the last character, then set C to the first
25   --  character).  Set Procedure_Result to the new value of C.
26
27end Pck;
28