lib/introspection/receivers.rb in introspection-0.0.2 vs lib/introspection/receivers.rb in introspection-0.0.3

@@ -23,10 +23,14 @@
     def superklass
       respond_to?(:superclass) ? superclass : NullReceiver.new
     end
 
     def local_receivers
-      [__metaclass__] + __metaclass__.ancestors - superklass.__metaclass__.ancestors
+      receivers = []
+      receivers << __metaclass__ if Gem::Version.new(RUBY_VERSION) < Gem::Version.new('2.1.0')
+      receivers += __metaclass__.ancestors
+      receivers -= superklass.__metaclass__.ancestors
+      receivers
     end
 
     def receivers
       local_receivers + superklass.receivers
     end
\ No newline at end of file