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root/ccscs20/NullNode.hpp

Comparing NullNode.hpp (file contents):
Revision 8 by Douglas Thrift, 2004-05-14T11:26:01-07:00 vs.
Revision 10 by Douglas Thrift, 2004-05-14T13:57:49-07:00

#	Line 7 | Line 7
7		#ifndef _NullNode_hpp_
8		#define _NullNode_hpp_
9
10	+	#include "Visitor.hpp"
11	+
12		template<typename Type>
13		class NullNode
14		{
#	Line 30 | Line 32 | public:
32		NullNode<Type>* getPrevious(void) const { return next; }
33		bool contains(const Type& value, NullNode<Type>* end, bool forward = true);
34		void remove(const Type& value, NullNode<Type>* end, bool forward = true);
35	+	void accept(Visitor<Type>* visitor, NullNode<Type>* end, bool forward = true);
36		};
37
38		template<typename Type>
#	Line 107 | Line 110 | void NullNode<Type>::remove(const Type&
110		else if (end != this) another->remove(value, end, forward);
111		}
112
113	+	template<typename Type>
114	+	void NullNode<Type>::accept(Visitor<Type>* visitor, NullNode<Type>* end, bool forward)
115	+	{
116	+	NullNode<Type>* another = forward ? next : previous;
117	+
118	+	if (!null) visitor->visit(value);
119	+
120	+	if (end != this) another->accept(visitor, end, forward);
121	+	}
122	+
123		#endif // _NullNode_hpp_

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