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@@ -18,6 +18,14 @@ end
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 class SpiderMonkey::Value
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+  def to_proc
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+    if typeof == "function"
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+      proc {|*args| self.call_function("call", self, *args) }
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+    else
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+      raise TypeError, "You cannot convert a #{typeof} to a proc"
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+    end
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+  end
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+  
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   def method_missing(meth, *args)
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     if val = meth.to_s.match(/^(.*)=$/)
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       set_property(val[1], *args)