Froze rails gems

[depot.git] / vendor / rails / activesupport / lib / active_support / core_ext / array / extract_options.rb

diff --git a/vendor/rails/activesupport/lib/active_support/core_ext/array/extract_options.rb b/vendor/rails/activesupport/lib/active_support/core_ext/array/extract_options.rb
new file mode 100644 (file)
index 0000000..eb91757
--- /dev/null
+++ b/vendor/rails/activesupport/lib/active_support/core_ext/array/extract_options.rb
@@ -0,0 +1,20 @@
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Array #:nodoc:
+      module ExtractOptions
+        # Extracts options from a set of arguments. Removes and returns the last
+        # element in the array if it's a hash, otherwise returns a blank hash.
+        #
+        #   def options(*args)
+        #     args.extract_options!
+        #   end
+        #
+        #   options(1, 2)           # => {}
+        #   options(1, 2, :a => :b) # => {:a=>:b}
+        def extract_options!
+          last.is_a?(::Hash) ? pop : {}
+        end
+      end
+    end
+  end
+end