Contents

module Spruz
  module Shuffle
    def shuffle!
      (size - 1) .downto(1) do |i|
        j = rand(i + 1)
        self[i], self[j] = self[j], self[i]
      end
      self
    end

    def shuffle
      dup.shuffle!
    end
  end
end

Version data entries

17 entries across 17 versions & 1 rubygems

Version	Path
spruz-0.2.13	lib/spruz/shuffle.rb
spruz-0.2.12	lib/spruz/shuffle.rb
spruz-0.2.11	lib/spruz/shuffle.rb
spruz-0.2.10	lib/spruz/shuffle.rb
spruz-0.2.9	lib/spruz/shuffle.rb
spruz-0.2.8	lib/spruz/shuffle.rb
spruz-0.2.7	lib/spruz/shuffle.rb
spruz-0.2.6	lib/spruz/shuffle.rb
spruz-0.2.5	lib/spruz/shuffle.rb
spruz-0.2.2	lib/spruz/shuffle.rb
spruz-0.2.1	lib/spruz/shuffle.rb
spruz-0.2.0	lib/spruz/shuffle.rb
spruz-0.1.5	lib/spruz/shuffle.rb
spruz-0.1.3	lib/spruz/shuffle.rb
spruz-0.1.2	lib/spruz/shuffle.rb
spruz-0.1.1	lib/spruz/shuffle.rb
spruz-0.1.0	lib/spruz/shuffle.rb