Module: MoreCoreExtensions::ArrayRandom

Defined in:
lib/more_core_extensions/core_ext/array/random.rb

Instance Method Summary collapse

Instance Method Details

#random_element ⇒ Object

Picks an element randomly

[1, 2, 3, 4, 2, 4].random_element  #=> any randomly selected element in Array



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# File 'lib/more_core_extensions/core_ext/array/random.rb', line 14

def random_element
  self[self.random_index]
end

#random_index ⇒ Object

Picks a valid index randomly

[1, 2, 3, 4, 2, 4].random_index  #=> random number between 0..5



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# File 'lib/more_core_extensions/core_ext/array/random.rb', line 6

def random_index
  rand(self.size)
end