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@@ -97,15 +97,14 @@
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       end
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       def |(chain)
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-        if chain.is_a?(Callback)
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-          if found_callback = find(chain)
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-            index = index(found_callback)
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+        if chain.is_a?(CallbackChain)
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+          chain.each { |callback| self | callback }
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+        elsif chain.is_a?(Callback)
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+          if index = index(chain)
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             self[index] = chain
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           else
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             self << chain
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           end
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-        else
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-          chain.each { |callback| self | callback }
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         end
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         self
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       end
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@@ -115,7 +114,7 @@
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       end
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       def delete(callback)
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-        super(find(callback))
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+        super(callback.is_a?(Callback) ? callback : find(callback))
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       end
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       private