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Föregående | Kapitel 21. References Explained | Nästa |
When you unset the reference, you just break the binding between variable name and variable content. This does not mean that variable content will be destroyed. For example:
won't unset $b, just $a.Again, it might be useful to think about this as analogous to Unix unlink call.
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Returning References | Upp | Spotting References |