inheritance.rb

puts "About to define BaseService"

class BaseService
  puts "BaseService code running"

  def self.clone; puts "clone called"; super; end
  def self.dup; puts "dup called"; super; end
end

puts "About to inherit from BaseService"

class MyService < BaseService
  puts "MyService code running"
end

class AnotherService
  def self.new(*args)
    obj = allocate
    obj.send(:initialize, *args)
    obj
  end

  def self.allocate
    puts "Allocate called"
    super
  end

  def initialize

  end
end

AnotherService.new # => #<AnotherService:0x007f959a9d9d10>

# >> About to define BaseService
# >> BaseService code running
# >> About to inherit from BaseService
# >> MyService code running
# >> Allocate called