HP Integrity NonStop J-Series - Manual (Page 287)

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©Copyright 1996 Rogue Wave Software
Avoid Persisting Value Collections of Pointers
It may sometimes be reasonable to collect pointers into a value-based collection in order to deal
with identies instead of values. However, you should never attempt to persist them, since a
collection with value semantics will simply store the values of the pointers into the stream,
rather than storing the information pointed to. If you were to pull those old pointers out of the
stream and back into memory, they would almost surely point to invalid locations.