Template constraints error messages using cputs()

[bearophile]

Mafi:
> I see the need for ctputs-like construct but I don't like the name. What 
> about simply making puts magically ctfe-able. The runtime behavior is 
> clearly defined and the compiler has to to simply catch calls to the 
> real puts when ctfe-ing and replace it with it's implemantation.
> What do you, bearophile and others, think?

If that can be done, then I am OK with that too.

Bye,
bearophile