Super keyword in Ruby

Question

What is the super for in this code?

def initialize options = {}, &block
  @filter = options.delete(:filter) || 1
  super
end

As far as I know it's like calling the function recursively, right?

Answer 1

no... super calls the method of the parent class, if it exists. Also, as @EnabrenTane pointed out, it passes all the arguments to the parent class method as well.