Method compare

src/main/java/wycc/io/HeapWriter.java:177–185

(Pair<Integer, Metric> o1, Pair<Integer, Metric> o2)

		Collections.sort(items, new Comparator<Pair<Integer,Metric>>() {

			@Override
			public int compare(Pair<Integer, Metric> o1, Pair<Integer, Metric> o2) {
				int c = Integer.compare(o1.second().bytes, o2.second().bytes);
				if(c == 0) {
					return o1.first().compareTo(o2.first());
				} else {
					return c;
				}
			}

		});
		int total = 0;