gem 'delegate_it'

require 'delegate_it'

class Cowboy
  extend DelegateIt
  attr_reader :pouch, :pistol

  delegate :name, to: :horse, prefix: true
  delegate :money, to: :pouch, allow_nil: true
  delegate :bullets, to: :pistol, allow_nil: true, prefix: :gun

  def horse
    Struct.new(:name).new('Jolly Jumper')
  end
end

cowboy = Cowboy.new
cowboy.horse_name # => 'Jolly Jumper'
cowboy.money # => nil
cowboy.gun_bullets # => nil