code: void sortVerticesSimpleByY_(AttributeStreamOfInt32 points, int begin_,
  			int end_) {
  		if (m_bucket_sort == null)
  			m_bucket_sort = new BucketSort();
  		m_bucket_sort.sort(points, begin_, end_, new EditShapeBucketSortHelper(
  				this));
  	}
docs: const Dynamic_array<int>* geoms);