lib/ayadn/extend.rb in ayadn-2.1 vs lib/ayadn/extend.rb in ayadn-3.0

@@ -20,5 +20,25 @@
       'GB' => 1024 * 1024 * 1024 * 1024,
       'TB' => 1024 * 1024 * 1024 * 1024 * 1024
     }.each_pair { |e, s| return "#{(self.to_f / (s / 1024)).round(2)} #{e}" if self < s }
   end
 end
+class Object
+  def blank?
+    respond_to?(:empty?) ? !!empty? : !self
+  end
+end
+class Hash
+  def deep_diff(b)
+    a = self
+    (a.keys | b.keys).inject({}) do |diff, k|
+      if a[k] != b[k]
+        if a[k].respond_to?(:deep_diff) && b[k].respond_to?(:deep_diff)
+          diff[k] = a[k].deep_diff(b[k])
+        else
+          diff[k] = [a[k], b[k]]
+        end
+      end
+      diff
+    end
+  end
+end
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