(* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.

GNU Modula-2 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, or (at your option) any later
version.

GNU Modula-2 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 gm2; see the file COPYING.  If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)

MODULE setchar10 ;

FROM libc IMPORT exit ;
FROM StrIO IMPORT WriteString, WriteLn ;
FROM StdIO IMPORT Write ;

TYPE
   setofchar = SET OF CHAR ;

PROCEDURE test (ch: CHAR) ;
BEGIN
   IF ch IN setofchar{'a', 'b', 'd', 'e'}
   THEN
      WriteString('works as we have seen: ') ; Write(ch) ; WriteLn ;
      RETURN
   END ;
   exit(1)
END test ;


BEGIN
   test('a') ;
   test('b') ;
   test('d') ;
   test('e') ;
END setchar10.