lib/bunny_mock/exchanges/topic.rb in bunny-mock-1.5.0 vs lib/bunny_mock/exchanges/topic.rb in bunny-mock-1.6.0

@@ -2,14 +2,14 @@
 module BunnyMock
   module Exchanges
     class Topic < BunnyMock::Exchange
       # @private
       # @return [String] Multiple subdomain wildcard
-      MULTI_WILDCARD = '#'
+      MULTI_WILDCARD = '#'.freeze
 
       # @private
       # @return [String] Single subdomain wildcard
-      SINGLE_WILDCARD = '*'
+      SINGLE_WILDCARD = '*'.freeze
 
       #
       # API
       #