kschiess · November 27, 2012 10:29 · Nov 27, 2012
diff --git a/respond_to_missing? b/respond_to_missing?
@@ -0,0 +1,31 @@
+class Foo
+  def respond_to?(sym)
+    if sym == :foo
+      return true
+    else
+      super
+    end
+  end
+end
+class Bar
+  def respond_to_missing?(sym, p)
+    if sym == :foo
+      return true
+    else
+      super
+    end
+  end
+end
+
+[Foo, Bar].each do |klass|
+  [[:respond_to?, :foo], 
+   [:respond_to_missing?, :foo, false], 
+   [:method, :foo]].each do |method, *args|
+    r = begin
+      klass.new.send(method, *args)
+    rescue => ex
+      ex
+    end
+    puts "Calling #{klass}##{method.inspect}(#{args.join(', ')}) # => #{r.inspect}"
+  end
+end