lib/suo/client/redis.rb in suo-0.3.0 vs lib/suo/client/redis.rb in suo-0.3.1

@@ -1,8 +1,10 @@
 module Suo
   module Client
     class Redis < Base
+      OK_STR = "OK".freeze
+
       def initialize(key, options = {})
         options[:client] ||= ::Redis.new(options[:connection] || {})
         super
       end
 
@@ -19,21 +21,21 @@
       def set(newval, _)
         ret = @client.multi do |multi|
           multi.set(@key, newval)
         end
 
-        ret && ret[0] == "OK"
+        ret && ret[0] == OK_STR
       end
 
       def synchronize
         @client.watch(@key) do
           yield
         end
       ensure
         @client.unwatch
       end
 
-      def initial_set(val = "")
+      def initial_set(val = BLANK_STR)
         @client.set(@key, val)
       end
     end
   end
 end