What would break if class was merged with struct

[Ola Fosheim Grøstad via Digitalmars-d]

On Saturday, 27 May 2017 at 18:21:41 UTC, Moritz Maxeiner wrote:
> Then please don't call them "smart", because that term is 
> specifically reserved for something that adds at least some 
> additional features over a regular pointer (bounds checking, 
> memory / lifetime management, etc.).

"smart pointer" just means that it is a pointer wrapped in an 
ADT. In this context it could provide allocation-information 
would be one thing it could provide, or reference counting, 
member access or whatever. The "smart" part was deliberately left 
unspecified.