aruprakshit · July 9, 2014 10:40
diff --git a/count_delete_char.rb b/count_delete_char.rb
 class Array
  def number_of_items_deleted(char)
    self.size - self.tap { |o| o.delete(char) }.size
  end  
 end 

 puts %w(a b a d t r).number_of_items_deleted 'a'
 # >> 2
	class Array
	def number_of_items_deleted(char)
	self.size - self.tap { \|o\| o.delete(char) }.size
	end
	end

	puts %w(a b a d t r).number_of_items_deleted 'a'
	# >> 2