Use of observer_ptr

Question

What exactly is the point of the construct std::observer_ptr in the library fundamentals technical specification V2?

It seems to me that all it does is wrap a bare <

Answer 1

The proposal makes it pretty clear that it's just for self-documentation:

This paper proposes observer_ptr, a (not very) smart pointer type that takes no ownership responsibility for its pointees, i.e., for the objects it observes. As such, it is intended as a near drop-in replacement for raw pointer types, with the advantage that, as a vocabulary type, it indicates its intended use without need for detailed analysis by code readers.