1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/ordered_hash.rb b/activesupport/lib/active_support/ordered_hash.rb
index 6993621ef9..59ceaec696 100644
--- a/activesupport/lib/active_support/ordered_hash.rb
+++ b/activesupport/lib/active_support/ordered_hash.rb
@@ -38,6 +38,20 @@ module ActiveSupport
           each { |array| hash[array[0]] = array[1] }
         end
       end
+
+      def has_key?(k)
+        !assoc(k).nil?
+      end
+
+      alias_method :key?, :has_key?
+      alias_method :include?, :has_key?
+      alias_method :member?, :has_key?
+
+      def has_value?(v)
+        any? { |key, value| value == v }
+      end
+
+      alias_method :value?, :has_value?
     end
   end
 end