How to delegate methods in Ruby

1_delegate.rb

require 'active_support/core_ext/module/delegation'

class LazyEmployee
  def initialize(sandwich_maker)
    @sandwich_maker = sandwich_maker
  end
  
  delegate :make_me_a_sandwich, to: :sandwich_maker
  
  private
  attr_reader :sandwich_maker
end

2_usage.rb

[1] (pry) main: 0> sandwich_maker = SandwichMaker.new
=> #<SandwichMaker:0x007fd2da810d30>
[2] (pry) main: 0> lazy_employee  = LazyEmployee.new(sandwich_maker)
=> #<LazyEmployee:0x007fd2da9a5b78 @sandwich_maker=#<SandwichMaker:0x007fd2da810d30>>
[3] (pry) main: 0> lazy_employee.make_me_a_sandwich
OKAY