Name
Singleton — Singleton pattern module
Synopsis
The Singleton module
allows the implementation of the Singleton design pattern. By
including the module, you can ensure that only one instance of a
class is created.
Required Library
require ’singleton’
Class Method
instanceReturns the only instance of the class. If an instance has already been created, it’s reused.
instanceis a class method added to classes that include theSingletonmodule.
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