Are there any valid use cases to use new and delete, raw pointers or c-style arrays with modern C++?

Question

Here\'s a notable video (Stop teaching C) about that paradigm change to take in teaching the c++ language.

And an also notable blog post

Answer 1

another example that has not already been mentioned is when you need to pass an object through a legacy (possibly asynchronous) C-callback. Usually, these things take a function pointer and a void* (or an opaque handle) to pass some payload upon. As long as the callback gives some guarantee on when/how/how many times it will be invoked, resorting to a plain new->cast->callback->cast->delete is the most straightforward solution (ok, the delete will be probably managed by a unique_ptr on callback site, but the bare new is still there). Of course, alternative solutions exist, but always requires the implementation of some sort of explicit/implicit 'object lifetime manager' in that case.