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-rw-r--r--lib/upr/status_methods.rb12
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diff --git a/lib/upr/status_methods.rb b/lib/upr/status_methods.rb
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+module Upr
+  # mixin module for both Upr::Status and UprStatus (AR example module)
+  module StatusMethods
+    def error?
+      seen < 0
+    end
+
+    def done?
+      length && seen >= length
+    end
+  end
+end