Recursive template instantiation

[Stefan Koch via Digitalmars-d-learn]

On Monday, 13 March 2017 at 22:05:24 UTC, Jack Applegame wrote:
> Is this a bug?

No it's not

struct C
{
   B!C;
}
is an error.

Howto compute C ?       <------\
let's check the members;       |
The member needs a template.   |
Howto compute the template ?   |
let's compute the parameters.  |
What is the first Parameter ?  |
Its C.                         |
Howoto compute C        -------/