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Karl
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 Posted: Tue Dec 30, 2003 5:54 pm Post subject: Style question, when to use pointers |
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Generally when do you use pointers rather than stack variables?
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Victor Bazarov
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| Posted: Tue Dec 30, 2003 6:04 pm Post subject: Re: Style question, when to use pointers |
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"Karl" <no@emailprovided> wrote...
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Generally when do you use pointers rather than stack variables?
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When I need the object to survive across functions (especially
upon return), with minimal overhead. When I need polymorphic
behaviour (although in some situations references are OK).
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Andrew Koenig
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| Posted: Tue Dec 30, 2003 6:29 pm Post subject: Re: Style question, when to use pointers |
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| Quote: | Generally when do you use pointers rather than stack variables?
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If you can use
an iterator referring to an element of a standard-library container, or
a local variable (what you are referring to as a stack variable), or
a reference,
then you shouldn't use a pointer unless you can clearly articulate a reason
why a pointer is superior to any of these alternatives.
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