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cheeyeo/singleton_pattern_example.rb

Created November 2, 2010 11:28
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Example of using Ruby's built in Singleton Module
Raw
singleton_pattern_example.rb
require 'singleton'
class MyClass
attr_accessor :data
include Singleton
end
a = MyClass.instance
b = MyClass.instance
#both a and b point to the same object
a.data=123
p b.data #also prints out 123
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