When should I use std::unique_ptr in C++?

When should I use std::unique_ptr in C++?

You should use std::unique_ptr when you want to manage the lifetime of a dynamically allocated object without the overhead of reference counting.

What are the advantages of using std::unique_ptr over raw pointers?

The main advantages are automatic memory management, prevention of memory leaks, and clearer ownership semantics.

Can std::unique_ptr be used with arrays?

Yes, you can use std::unique_ptr with arrays by using std::unique_ptr<Type[]> for array types.

Are there any downsides to using std::unique_ptr?

One downside is that std::unique_ptr cannot be copied, only moved, which can complicate certain designs.