GC for noobs

[Szymon Gatner]

On Thursday, 27 February 2014 at 14:41:27 UTC, Dicebot wrote:
> On Thursday, 27 February 2014 at 14:37:14 UTC, Szymon Gatner 
> wrote:
>> They actually don't have all the necessary features in D 
>> afaiu. They do have value semantics but can't represent 
>> uniqueness because of missing move d-tor.
>>
>> For example in C++ I can create a function that returns a 
>> Texture class instance and be sure that it is the only one 
>> when receiving it (because copying is disabled). Then I can 
>> always safely release all resources related to this texture in 
>> objects d-tor. In D I can't use struct for this because I 
>> would get double-free in d-tor so a class instance has to be 
>> used instead.
>
> You can disable postblit to make entity non-copyable: 
> http://dlang.org/struct.html#StructPostblit

How can I then use it as a function return value? Or store in a 
container?

Actually if postblit had a bool param saying that the source is 
rvalue then moving would be possible by just resetting relevant 
fields in source object.