ex44.rb

module Other

  def Other.override()
    puts "OTHER override()"
  end

  def Other.implicit()
    puts "OTHER implicit()"
  end

  def Other.altered()
    puts "OTHER altered()"
  end
end

class Child

  def implicit()
    Other.implicit()
  end

  def override()
    puts "CHILD override()"
  end

  def altered()
    puts "CHILD, BEFORE OTHER altered()"
    Other.altered()
    puts "CHILD, AFTER OTHER altered()"
  end
end

son = Child.new()

son.implicit()
son.override()
son.altered()