2 files changed, 18 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/module.rb b/activesupport/lib/active_support/core_ext/module.rb
index 0f46631e65..bd6d62468a 100644
--- a/activesupport/lib/active_support/core_ext/module.rb
+++ b/activesupport/lib/active_support/core_ext/module.rb
@@ -1,2 +1,3 @@
 require File.dirname(__FILE__) + '/module/inclusion'
-require File.dirname(__FILE__) + '/module/attribute_accessors'
-\ No newline at end of file
+require File.dirname(__FILE__) + '/module/attribute_accessors'
+require File.dirname(__FILE__) + '/module/delegation'
+\ No newline at end of file
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
new file mode 100644
index 0000000000..95173007ca
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -0,0 +1,16 @@
+class Module
+  def delegate(*methods)
+    options = methods.pop
+    unless options.is_a?(Hash) && to = options[:to]
+      raise ArgumentError, "Delegation needs a target. Supply an options hash with a :to key"
+    end
+
+    methods.each do |method|
+      module_eval(<<-EOS, "(__DELEGATION__)", 1)
+        def #{method}(*args, &block)
+          #{to}.__send__(#{method.inspect}, *args, &block)
+        end
+      EOS
+    end
+  end
+end
+\ No newline at end of file