1 files changed, 23 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/ordered_options.rb b/activesupport/lib/active_support/ordered_options.rb
new file mode 100644
index 0000000000..3952ba41f2
--- /dev/null
+++ b/activesupport/lib/active_support/ordered_options.rb
@@ -0,0 +1,23 @@
+class OrderedOptions < Array
+  def []=(key, value)
+    key = key.to_sym
+    
+    if pair = find_pair(key)
+      pair.pop
+      pair << value
+    else
+      self << [key, value]
+    end
+  end
+  
+  def [](key)
+    pair = find_pair(key.to_sym)
+    pair ? pair.last : nil
+  end
+
+  private
+    def find_pair(key)
+      self.each { |i| return i if i.first == key }
+      return false
+    end
+end
+\ No newline at end of file