lib/redis_failover/util.rb in redis_failover-0.2.0 vs lib/redis_failover/util.rb in redis_failover-0.3.0

@@ -5,9 +5,13 @@
 
     def symbolize_keys(hash)
       Hash[hash.map { |k, v| [k.to_sym, v] }]
     end
 
+    def different?(ary_a, ary_b)
+      ((ary_a | ary_b) - (ary_a & ary_b)).size > 0
+    end
+
     def self.logger
       @logger ||= begin
         logger = Logger.new(STDOUT)
         logger.level = Logger::INFO
         logger.formatter = proc do |severity, datetime, progname, msg|