Re^3: Do subroutine variables get destroyed?

... if the reference variable is pointed to a new item, then the old item to which it pointed no longer has any references to it and it will be destroyed.

An unreferenced referent (i.e., one having a ref count of 0) will be marked for garbage collection and will eventually be destroyed.

Give a man a fish: <%-{-{-{-<

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Re^4: Do subroutine variables get destroyed? by GrandFather (Saint) on May 08, 2016 at 21:19 UTC
"... marked for garbage collection and will eventually be destroyed." It's a whole lot better than that. Perl destroys the referent immediately its reference count goes to 0. See eyepopslikeamosquito's Re^2: Do subroutine variables get destroyed? (Deterministic Destructor References) for the more elaborate version. Premature optimization is the root of all job security	[reply]