Compile Time D Expression Parser?

[Andrei Alexandrescu]

On 2/26/12 5:07 AM, kenji hara wrote:
> Hisayuki Mima's ctpg is compile-time parser generater, and the
> generated parser works in compile time!
> https://github.com/youkei/ctpg
>
> Kenji Hara

This seems to be great work, but a 30-seconds skim did not reveal to me 
how exactly it works. Are there some examples or more documentation?

Thanks,

Andrei