Smart pointer without reference counter

Question

I had a lesson in programing today and my professor mentioned smart pointers. He said that not every smart pointer needs a reference counter, I am a bit confused... In my understanding the use of smart pointers is to delete an allocated memory after all the pointers and references to it is out of scope. Did I misunderstand? What is the use of a smart pointer without a reference counter?

Sergey K. · Accepted Answer · 2013-08-21 12:33:22Z

1

std::unique_ptr is an example of smart-pointer without a reference counter.

It retains the sole ownership of an object and destroys the object once the unique_ptr goes out of scope.

answered Aug 21, 2013 at 12:33

Sergey K.

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