activesupport/lib/active_support/core_ext/array/random_access.rb


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module ActiveSupport #:nodoc:
  module CoreExtensions #:nodoc:
    module Array #:nodoc:
      module RandomAccess
        # Returns a random element from the array.
        def rand
          self[Kernel.rand(length)]
        end
      end
    end
  end
end