* lib/delegate.rb (Delegator::respond_to): respond_to? must check

  destination object.  [ruby-talk:146894]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8684 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/delegate.rb b/lib/delegate.rb
index 72b52f3d45..1d0ebed07a 100644
--- a/lib/delegate.rb
+++ b/lib/delegate.rb
@@ -57,6 +57,11 @@ class Delegator
     target.__send__(m, *args)
   end
 
+  def respond_to?(m)
+    return true if super
+    return self.__getobj__.respond_to?(m)
+  end
+
   def __getobj__
     raise NotImplementedError, "need to define `__getobj__'"
   end
@@ -115,6 +120,10 @@ def DelegateClass(superclass)
       end
       @_dc_obj.__send__(m, *args)
     end
+    def respond_to?(m)
+      return true if super
+      return @_dc_obj.respond_to?(m)
+    end
     def __getobj__
       @_dc_obj
     end