Web Reference: By default Singleton's #_dump (depth) returns the empty string. Marshalling by default will strip state information, e.g. instance variables and taint state, from the instance. module Singleton: The Singleton module implements the Singleton pattern. Usage To use Singleton, include the module in your class. Feb 28, 2019 · Ruby provides a way to define methods that are specific to a particular object and such methods are known as Singleton Methods. When one declares a singleton method on an object, Ruby automatically creates a class to hold just the singleton methods. The newly created class is called Singleton Class. foo = Array.new. def foo.size.
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