Randomize an array

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Randomize an array

Added by duvion on May-16-2007, 9:41 am

Randomizes the elements of an Array.

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# external...
def shuffle(arr)
  arr.sort {|a, b| rand <=> 0.5 }
end

# ...or as part of Array
class Array
  def shuffle
    self.sort {|a, b| rand <=> 0.5 }
  end
end

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