From: 7stud -- <bbxx789_05ss@...>
Date: 2009-04-30T19:08:31+09:00
Subject: Re: object scope and cleanup

Joshua Ball wrote:
> I am having trouble understanding Ruby object cleanup wrt scope. In
> particular, I would think that an object is getting deleted, but it
> turns out that is not the case. 

In a language like C++,

out_of_scope == destruction

With garbage collectors,

out_of_scope == ready_for_destruction

When the object is destroyed and whether the object is ever destroyed, 
is out of your hands.  It may be the case that the gc never sees a need 
to destroy the object, in which case the object gets wiped out of memory 
only when your program ends and the operating system reclaims the 
program's resources(and I believe even then it's still in memory!).

There is another current thread where the ruby gc is being discussed:

http://www.ruby-forum.com/topic/185559#new
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