universal · August 29, 2015 14:19
diff --git a/dummy.rb b/dummy.rb
 list = [128, 110, 60, 126]
 list2 = [60, 110, 126]

 res = list.each_with_index.each_with_object({}) {|(k,id), res| res[k] = id}


 list 3 = list2.sort_by {|a| res[a]}
	list = [128, 110, 60, 126]
	list2 = [60, 110, 126]

	res = list.each_with_index.each_with_object({}) {\|(k,id), res\| res[k] = id}


	list 3 = list2.sort_by {\|a\| res[a]}