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

   1 module ActiveSupport #:nodoc:
   2   module CoreExtensions #:nodoc:
   3     module Array #:nodoc:
   4       module RandomAccess
   5         # Returns a random element from the array.
   6         def rand
   7           self[Kernel.rand(length)]
   8         end
   9       end
  10     end
  11   end
  12 end