From: Tridib Bandopadhyay <tridib04@...>
Date: 2012-01-10T09:53:30+09:00
Subject: Re: Free an Object

I have some questions on the Code


> class DestroyObject
>   def initialize
>     # Adds a proc as finalizer, this will be called after the object was
> destroyed
>     # Source:
> http://www.ruby-doc.org/core-1.9.3/ObjectSpace.html#method-c-define_finalizer
>     ObjectSpace.define_finalizer(self,
> self.class.method(:finalize).to_proc)
>   end

What does self and self.class.method referring to?

>
>   # This should be a class method, not an instance method
>   # For reason,
> http://www.mikeperham.com/2010/02/24/the-trouble-with-ruby-finalizers/
>   def self.finalize(id)
>     puts "Object #{id} dying at #{Time.now}"
>   end
> end
>
> DestroyObject.new
>
> # Initiates garbage collection
> # Source:
> http://www.ruby-doc.org/core-1.9.3/ObjectSpace.html#method-c-garbage_collect
> ObjectSpace.garbage_collect


And which object is getting deleted? And who is deleting it? My debugged
free method or is it asking for Garbage Collect?

Thank You

Tridib

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