normalize experimental data types

alib2data_experimental/src/graph/directed/AdjacencyListDirectedGraph.h

@@ -90,6 +90,10 @@ public:
 	}
 	alib::ObjectBase * inc ( ) && override;
+
+	virtual AdjacencyListDirectedGraph * normalize ( ) && {
+		return this;
+	}
 };
 } // namespace graph

alib2data_experimental/src/graph/directed/AdjacencyMatrixDirectedGraph.h

@@ -93,6 +93,10 @@ public:
 	}
 	alib::ObjectBase * inc ( ) && override;
+
+	virtual AdjacencyMatrixDirectedGraph * normalize ( ) && {
+		return this;
+	}
 };
 } // namespace graph

alib2data_experimental/src/graph/undirected/AdjacencyListUndirectedGraph.h

@@ -87,6 +87,10 @@ public:
 	}
 	alib::ObjectBase * inc ( ) && override;
+
+	virtual AdjacencyListUndirectedGraph * normalize ( ) && {
+		return this;
+	}
 };
 } // namespace graph

alib2data_experimental/src/graph/undirected/AdjacencyMatrixUndirectedGraph.h

@@ -90,6 +90,10 @@ public:
 	}
 	alib::ObjectBase * inc ( ) && override;
+
+	virtual AdjacencyMatrixUndirectedGraph * normalize ( ) && {
+		return this;
+	}
 };
 } // namespace graph

alib2data_experimental/src/indexes/suffixTrie/SuffixTrieTerminatingSymbol.h

@@ -108,6 +108,10 @@ public:
 	void compose ( std::deque < sax::Token > & out ) const;
 	virtual alib::ObjectBase * inc ( ) &&;
+
+	virtual SuffixTrieTerminatingSymbol * normalize ( ) && {
+		return this;
+	}
 };
 } /* namespace tree */

alib2data_experimental/src/label/LR0ItemsLabel.h

@@ -77,6 +77,10 @@ public:
 	void compose ( std::deque < sax::Token > & out ) const;
 	virtual LabelBase * inc ( ) &&;
+
+	virtual LR0ItemsLabel * normalize ( ) && {
+		return this;
+	}
 };
 } /* namespace label */

alib2data_experimental/src/string/LinearStringTerminatingSymbol.h

@@ -91,6 +91,10 @@ public:
 	void compose ( std::deque < sax::Token > & out ) const;
 	virtual alib::ObjectBase * inc ( ) &&;
+
+	virtual LinearStringTerminatingSymbol * normalize ( ) && {
+		return this;
+	}
 };
 } /* namespace string */