Escaping the Tyranny of the GC: std.rcstring, first blood

[Andrei Alexandrescu via Digitalmars-d]

On 9/27/14, 12:53 PM, Dmitry Olshansky wrote:
> 27-Sep-2014 23:15, Andrei Alexandrescu пишет:
>> On 9/27/14, 2:43 AM, Dmitry Olshansky wrote:
>>> Refcounting is process of add(x), and sub(x), and calling destructor
>>> should the subtract call report zero. Everything else is in the hands of
>>> the creator.
>>
>> I literally have no idea what you are discussing here. -- Andrei
>
> That proposed scheme is completely abstract as to what exactly adding X
> to a ref-count does.

What is "that proposed scheme?" I feel like I'm watching a movie 
starting half time.

> Or what exactly subtracting X from ref-count does.
> The only invariant is that there is something that will tell us after
> yet another decrement that ref-count is zero and we should free resources.
>
> As I said elsewhere - automagically embedding ref-count is too limiting,
> there is whole lot of ways to implement count including intrusive and
> non-intrusive.

Sure, agreed. But what's the deal here?


Andrei