Tree datatype

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On Wednesday, 14 October 2015 at 14:42:31 UTC, Namal wrote:
> Hello,
>
> I don't remember exactly but I think when I first saw D code 
> there was tree datatype implemented without pointers. Is it 
> possible to make a tree struct without pointers?

The answer is more or less no, unless you sort of fake it like in 
cym13's example. A tree is not possible without pointers due to 
its recursive nature. Even if it looks like the implementation 
doesn't use pointers, they're just hidden under some abstraction.