Implementing typestate

[Marc Schütz via Digitalmars-d]

On Tuesday, 15 September 2015 at 21:44:25 UTC, Freddy wrote:
> On Tuesday, 15 September 2015 at 17:45:45 UTC, Freddy wrote:
>>  Rust style memory management in a library
>
> Wait nevermind about that part, it's harder than I thought.

Yeah, I thought about type-states as a way of implementing 
borrowing, too. I think the biggest difficulty is that the state 
of one object (the owner) can be affected by what happens in 
other objects (i.e., it becomes mutable again when those are 
destroyed).