C-style nested structs convert to D

[Daniel Keep]

CodexArcanum wrote:
> Hey all, I'm trying to rewrite a few .h files into D so I can call a C library.  One snag I've hit is this guy:
> 
> struct _tree_t {
> 	_tree_t* next;
> 	_tree_t* father;
> 	_tree_t* sons;
> }
> 
> D won't do the nested struct thing, so I need to convert this into something D will like, but which the library will still take in.  What should I do?

Tested with 1.035; it works just fine.

  -- Daniel