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-rw-r--r--activesupport/lib/active_support/core_ext/object/itself.rb15
1 files changed, 15 insertions, 0 deletions
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..d71cea6674
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/object/itself.rb
@@ -0,0 +1,15 @@
+class Object
+ # TODO: Remove this file when we drop support for Ruby < 2.2
+ unless respond_to?(:itself)
+ # Returns the object itself.
+ #
+ # Useful for chaining methods, such as Active Record scopes:
+ #
+ # Event.public_send(state.presence_in([ :trashed, :drafted ]) || :itself).order(:created_at)
+ #
+ # @return Object
+ def itself
+ self
+ end
+ end
+end