Add shuffle method to Array class : Array Extension « Array « Ruby

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Ruby » Array » Array Extension   Add shuffle method to Array class class Array   def shuffle!     each_index do |i|       j = rand(length-i) + i       self[j], self[i] = self[i], self[j]     end   end   def shuffle     dup.shuffle!   end end   Related examples in the same category 1.  Add your method to system data type 2.  Add a new method to Array class 3.  strip values from array 4.  Extract array in place 5.  Array cartesian 6.  Add method to Array class to convert an array to a hash 7.  each from both sides 8.  Extends array comparsion method 9.  Override array method 10.  Add new operator for Array 11.  Add subset and superset operator for Array 12.  Set permutation for Array 13.  Resequence the array 14.  Use hash to count elements in an array 15.  convert array to a hash

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