--- parser3/src/include/pa_array.h	2001/01/27 15:21:05	1.2
+++ parser3/src/include/pa_array.h	2001/01/29 10:15:14	1.5
@@ -1,5 +1,5 @@
 /*
-  $Id: pa_array.h,v 1.2 2001/01/27 15:21:05 paf Exp $
+  $Id: pa_array.h,v 1.5 2001/01/29 10:15:14 paf Exp $
 */
 
 /*
@@ -50,6 +50,10 @@ private:
 	}
 		*head;  // the head chunk of the chunk chain
 
+	// last allocated chunk
+	// helps appending Arrays
+	Chunk *tail;
+
 	// next append would write to this record
 	Chunk::Row *append_here;
 	
@@ -58,16 +62,11 @@ private:
 	Chunk::Row *link_row;
 
 private:
-	// last chank allocated count
-	int curr_chunk_rows;
-
 	// array size
 	int fused_rows;
 
-	int cache_index;
-	Chunk::Row *cache_row;
-	int cache_countdown;
-	Chunk::Row *cache_link_row;
+	int cache_chunk_base;
+	Chunk *cache_chunk;
 	
 private:
 	// new&constructors made private to enforce factory manufacturing at pool
@@ -85,18 +84,14 @@ private:
 	bool chunk_is_full() {
 		return append_here == link_row;
 	}
-	void expand();
+	void expand(int chunk_rows);
 
 public:
 
 	int size() { return fused_rows; }
 	Array& operator += (Item src);
-
-	/*
-	void put(int index, Item item);
-	Item get(int index);
-	*/
 	Item& operator [] (int index);
+	Array& operator += (Array& src);
 
 private: //disabled