Delegate to @flashes with 'delegate' instead of manually.

actionpack/lib/action_dispatch/middleware/flash.rb

@@ -73,6 +73,8 @@ module ActionDispatch
     class FlashHash
       include Enumerable
 
+      delegate :[], :keys, :key?, :empty?, :clear, :each, :to => :@flashes
+
       def initialize #:nodoc:
         @used    = Set.new
         @closed  = false
@@ -94,24 +96,12 @@ module ActionDispatch
         @flashes[k] = v
       end
 
-      def [](k)
-        @flashes[k]
-      end
-
       def update(h) #:nodoc:
         h.keys.each { |k| keep(k) }
         @flashes.update h
         self
       end
 
-      def keys
-        @flashes.keys
-      end
-
-      def key?(name)
-        @flashes.key? name
-      end
-
       def delete(key)
         @flashes.delete key
         self
@@ -121,18 +111,6 @@ module ActionDispatch
         @flashes.dup
       end
 
-      def empty?
-        @flashes.empty?
-      end
-
-      def clear
-        @flashes.clear
-      end
-
-      def each(&block)
-        @flashes.each(&block)
-      end
-
       alias :merge! :update
 
       def replace(h) #:nodoc: