Safe reference counting cannot be implemented as a library
rsw0x via Digitalmars-d
digitalmars-d at puremagic.com
Tue Oct 27 13:45:33 PDT 2015
On Tuesday, 27 October 2015 at 20:41:49 UTC, Jonathan M Davis
wrote:
> On Tuesday, 27 October 2015 at 20:19:42 UTC, PuglyWUgly wrote:
>> Why care about this?
>>
>> Even Rust doesn't try to solve this problem...because it
>> isn't really a problem in practice.
>>
>> In c++/rust code you use value/unique types 99.9% of the
>> time, and reference counting is only for shared/aliased
>> objects.
>>
>>
>> Reference counting == rare and unimportant
>
> Really? I've seen tons of C++ code that's written using smart
> pointers with objects living on the heap which then get passed
> around all over the place.
if they're using shared_ptr all over the place, they're doing it
wrong.
shared_ptr is supposed to be a last resort
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