include Singleton : Singletons « Design Patterns « Ruby

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Ruby » Design Patterns » Singletons 
include Singleton


require 'singleton'

class Manager
  include Singleton

  def manage_resources
    puts("I am managing my resources")
  end
end

m = Manager.new

 
Related examples in the same category
1.define class methods by using a class within a class's singleton class like the code
2.Define a singleton method, one that is tied to a single object
3.Singleton a class
4.Classes as Singletons
5.Modules as Singletons
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