lists


declations

	x as double

	y as list of double

	z as list of rectype1

	ptr as listptr rectype1

	ptr as listptr rectype1 sorted on id1




expressions

	ptr = ptr.next
	
		ptr.prev
		ptr.first
		ptr.last

		ptr.search custid "1234"

		ptr.item 4				// 4'th entry in the list


	list2 = list1		// copy entire list


	list1 += tbl1		// append an item to the end of the list



	// list1 ++= tbl1		// append an item to the start of the list


values
	
	itemcount = ptr.numitems



operations


	for each (ptr in list1)


	ptr.sort id2 desc


	ptr.insert tab1		// insert into the central part of the list


	ptr.delete		// remove item from list
	


		
	


implemEntation

