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-rw-r--r--activesupport/lib/active_support/core_ext/object.rb1
-rw-r--r--activesupport/lib/active_support/core_ext/object/itself.rb12
2 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/object.rb b/activesupport/lib/active_support/core_ext/object.rb
index f4f9152d6a..f1106cca9b 100644
--- a/activesupport/lib/active_support/core_ext/object.rb
+++ b/activesupport/lib/active_support/core_ext/object.rb
@@ -2,6 +2,7 @@ require 'active_support/core_ext/object/acts_like'
require 'active_support/core_ext/object/blank'
require 'active_support/core_ext/object/duplicable'
require 'active_support/core_ext/object/deep_dup'
+require 'active_support/core_ext/object/itself'
require 'active_support/core_ext/object/try'
require 'active_support/core_ext/object/inclusion'
diff --git a/activesupport/lib/active_support/core_ext/object/itself.rb b/activesupport/lib/active_support/core_ext/object/itself.rb
new file mode 100644
index 0000000000..adedc20169
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/object/itself.rb
@@ -0,0 +1,12 @@
+class Object
+ unless respond_to?(:itself) # TODO: Remove this file when we drop support for Ruby < 2.2
+ # Returns the object itself. Useful when dealing with a chaining scenario, like Active Record scopes:
+ #
+ # Event.public_send(state.presence_in([ :trashed, :drafted ]) || :itself).order(:created_at)
+ #
+ # @return Object
+ def itself
+ self
+ end
+ end
+end