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-rw-r--r--activesupport/lib/active_support/core_ext/hash.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash.rb b/activesupport/lib/active_support/core_ext/hash.rb
index e899d3e1e2..f16368b18b 100644
--- a/activesupport/lib/active_support/core_ext/hash.rb
+++ b/activesupport/lib/active_support/core_ext/hash.rb
@@ -1,7 +1,9 @@
require File.dirname(__FILE__) + '/hash/keys'
require File.dirname(__FILE__) + '/hash/indifferent_access'
+require File.dirname(__FILE__) + '/hash/reverse_merge'
class Hash #:nodoc:
include ActiveSupport::CoreExtensions::Hash::Keys
include ActiveSupport::CoreExtensions::Hash::IndifferentAccess
+ include ActiveSupport::CoreExtensions::Hash::ReverseMerge
end