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Question: Which do you use and why: void foo(int *num) or void foo(int &num)
Asked by Rodrigo (187.112.67.x) on January 18 2014, 6:59pm
Reply on January 18 2014, 10:25pm:

I would typically use a pointer rather than a reference for more instances, because then looking at the calling code it is clear that the parameter could be modified. Using a reference has the advantage of not being allowed to receive NULL, though. If everything was very const-heavy on the calling side I might be inclined to use a reference, but probably not enough...

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