I'm starting to wonder when someone will write a c++ compiler in c++ templates, in effect making a program whose source code includes its own compiler. I mean,

I'm starting to wonder when someone will write a c++ compiler in c++ templates, in effect making a program whose source code includes its own compiler. I mean, not like gcc, which is written in C and compiled by itself, I mean a program requiring only a c++ template interpreter with none of the other stages.