Feel::Visitor< T, R > Class Template Reference

#include <visitor.hpp>

Detailed Description

template<class T, typename R = void>
class Feel::Visitor< T, R >

This class is the base class to implement the Visitor Pattern. Let's A be a visitor class to a class B:

*  class A: public Visitor<B>
*  {
*  public:
*  ...
*  void visit(B * b)
*  {
*  ..implement the functionnality to be added to a B class..
*  }
*  };
*  class B:
*  {
*  public:
*  void accept(Visitor<B>* b){  b->visit(this); }
*  };
*  

Author

Christophe Prud'homme Chris.nosp@m.toph.nosp@m.e.Pru.nosp@m.dhom.nosp@m.me@an.nosp@m.n.ju.nosp@m.ssieu.nosp@m..fr

See Also

Gamma, Helm, Johnson, Vlissides, Design Patterns Pub: Addison Wesley

Public Types
Typedefs
typedef R	return_type

Public Member Functions
Constructors, Destructors and methods
virtual	~Visitor ()
	virtual base destructor
virtual return_type	visit (T *)=0
	visit a data structure
return_type	visit (T &__t)
	visit a data structure

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The documentation for this class was generated from the following file:

• visitor.hpp