Battle-plan for CTFE

[tsbockman via Digitalmars-d-announce]

On Monday, 29 August 2016 at 08:39:56 UTC, Stefan Koch wrote:
> I just came up with a nifty little patch that makes it possible 
> to ensure that a function is _only_ used at ctfe.
> Or the opposite.
>
> static assert(__ctfe, "This function is not supposed to be 
> called outside of ctfe");
> and static assert(!__ctfe, "This function is not supposed to be 
> called during ctfe");
>
> similarly you can use static if (__ctfe).
>
> Is it worth trying to get it into master ?

Yes, please. I've often wished I could use `__ctfe` in a `static 
if`.