When this will be freed?

[Andrea Fontana]

On Wednesday, 2 April 2014 at 15:53:52 UTC, Jacob Carlborg wrote:
> On 2014-04-02 17:45, Andrea Fontana wrote:
>
>> auto example(char* test) { return toStringz(to!string(test) ~ 
>> " world!"); }
>>
>> When that return string will be freed?
>
> When there is no reference left to the string, the garbage 
> collector is free to collect it when it chooses to.
>

That's expected.

>> What about:
>>
>> extern(C) auto example(....)
>
> Same as above, extern(C) does not change how memory is 
> collected. If it is a C function, then it depends entirely on 
> that particular function.

I mean: if it is an exported function (of a shared library) what 
happens? There's no reference kept anywhere (in D). So if I'm 
right it could be freed immediatly by GC. Right?