zernie · December 8, 2017 13:40
diff --git a/flatten.rb b/flatten.rb
 def flatten(array)
  array.reduce([]) do |sum, n|
    sum + (n.kind_of?(Array) ? flatten(n) :[n])
  end
 end

 p flatten([[1,2,[3]],4])
	def flatten(array)
	array.reduce([]) do \|sum, n\|
	sum + (n.kind_of?(Array) ? flatten(n) :[n])
	end
	end

	p flatten([[1,2,[3]],4])