fnobj.h

Go to the documentation of this file.

#ifndef FNOBJ_H
#define FNOBJ_H

/*
  Implmenting functional objects with virtual functions.

  Use templates if you want direct bindings, this is for
  dynamic purposes.
*/

template< class A0 >
class fnobj0
{
public:

  virtual A0 operator () () = 0;
  virtual ~fnobj0() {}
};

template< class A0 >
class fnobj0const
{
public:

  virtual A0 operator () () const = 0;
  virtual ~fnobj0const() {}
};


template< class A0, class A1 >
class fnobj1
{
public:

  virtual A0 operator () (A1) = 0;
  virtual ~fnobj1() {}
};

template< class A0, class A1 >
class fnobj1const
{
public:

  virtual A0 operator () (A1) const = 0;
  virtual ~fnobj1const() {}
};

template< class A0, class A1, class A2 >
class fnobj2
{
public:

  virtual A0 operator () (A1,A2) = 0;
  virtual ~fnobj2() {}
};

template< class A0, class A1, class A2 >
class fnobj2const
{
public:

  virtual A0 operator () (A1,A2) const = 0;
  virtual ~fnobj2const() {}
};


template< class A0, class A1, class A2, class A3 >
class fnobj3
{
public:

  virtual A0 operator () (A1,A2,A3) = 0;
  virtual ~fnobj3() {}
};

template< class A0, class A1, class A2, class A3 >
class fnobj3const
{
public:

  virtual A0 operator () (A1,A2,A3) const = 0;
  virtual ~fnobj3const() {}
};


#endif