Battle-plan for CTFE

[Stefan Koch via Digitalmars-d-announce]

On Tuesday, 30 August 2016 at 22:01:45 UTC, tsbockman wrote:
> 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`.

Sorry. It I overlooked a something rather important. static 
__ctfe is currently not possible and it's rather expensive to 
make it possible.