YCPVoid.h

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/*---------------------------------------------------------------------\
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|                      __   __    ____ _____ ____                      |  
|                      \ \ / /_ _/ ___|_   _|___ \                     |  
|                       \ V / _` \___ \ | |   __) |                    |  
|                        | | (_| |___) || |  / __/                     |  
|                        |_|\__,_|____/ |_| |_____|                    |  
|                                                                      |  
|                               core system                            | 
|                                                        (C) SuSE GmbH |  
\----------------------------------------------------------------------/ 

   File:       YCPVoid.h

   Author:     Mathias Kettner <kettner@suse.de>
   Maintainer: Thomas Roelz <tom@suse.de>

/-*/
// -*- c++ -*-

#ifndef YCPVoid_h
#define YCPVoid_h


#include "YCPValue.h"

class YCPVoidRep : public YCPValueRep
{
protected:
    friend class YCPVoid;

    YCPVoidRep();
    
public:
    string toString() const;

    std::ostream & toStream (std::ostream & str) const;
    std::ostream & toXml (std::ostream & str, int indent ) const;

    YCPValueType valuetype() const;

    YCPOrder compare(const YCPVoid &v) const;
};

class YCPVoid : public YCPValue
{
    DEF_COMMON(Void, Value);
    
    static YCPVoid* nil;
public:
    YCPVoid();
    YCPVoid(bytecodeistream & str);
};
#endif   // YCPVoid_h