Re: [boost] Is there any interest in non-owning pointer-like types?

On Wed, Feb 1, 2017 at 10:27 AM, Rob Stewart wrote:

On February 1, 2017 2:47:54 AM EST, Joseph Thomson wrote: Can observer_ptr refer to no object? If not, why not just use T &? If so, why not just use optional<T>?

optional<T> is a value, not a pointer/reference.. -- Olaf