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Ruby-doc has this description:
The ObjectSpace module contains a
number of routines that interact with
the garbage collection facility and
allow you to traverse all living
objects with an iterator.ObjectSpace also provides support for
object finalizers, procs that will be
called when a specific object is about
to be destroyed by garbage collection.
Can anyone explain this in a simpler language, if not, atleast provide info on where this is used?
A garbage collector is a construct in languages with managed memory. It is the thing that manages the memory. Essentially, it’s the job of the garbage collector to figure out when a piece of memory that has been allocated is no longer needed, and deallocate it.
When you’re using a language with a garbage collector, there are certain things you might want to do:
ObjectSpace gives you access to do things of this nature. Essentially, it’s a way to get access to anything and everything that’s currently using allocated memory.