Re: [boost] [Block Pointer] Update

Subject: Re: [boost] [Block Pointer] Update
From: Phil Bouchard (philippeb8_at_[hidden])
Date: 2016-03-14 07:15:37

On 03/14/2016 05:58 AM, Phil Bouchard wrote:
> On 03/13/2016 08:50 PM, Phil Bouchard wrote:
>> On 03/13/2016 06:29 PM, Gavin Lambert wrote:
>>>
>>> I'm not sure a new type is appropriate, since I thought part of the
>>> point was that consumers of the pointers don't know which one is the
>>> root, and separate arenas/proxies could end up getting merged based on
>>> usage.  It just seems to be something required at construction time
>>> only.
>>
>> It is possible to add the unification or proxies just like it was before
>> but it won't be as clean as it is right now.  I assume the C++
>> programmer knows how to program at a minimum.  So I am trying to keep a
>> balance here.
>
> It seems that I'll have to re-add the unification of proxies because
> what happens if you have bad code like:
>
> void foo(root_ptr<int>);
>
> root_ptr<int> p = new<int>(9);
>
> foo(p);
>
> cout << * p << endl;
>
>
> It won't work if I simple transfer ownership when copying root_ptrs. The
> good news is if I unify proxies then all the problems will be solved.

Problem solved:

https://github.com/philippeb8/root_ptr/blob/master/example/root_ptr_test1.cpp#L63