Method search

src/main/java/wycc/io/HeapPrinter.java:74–84

(int index, Syntactic.Heap heap, boolean[] visited)

	}

	private void search(int index, Syntactic.Heap heap, boolean[] visited) {
		visited[index] = true;
		//
		Item item = heap.getSyntacticItem(index);
		for (int j = 0; j != item.size(); ++j) {
			int jth = item.get(j).getIndex();
			if(!visited[jth]) {
				search(jth, heap, visited);
			}
		}
	}
}