Asking for advice - assert for ImportC

[Loara]

On Friday, 29 April 2022 at 02:29:25 UTC, rikki cattermole wrote:
>
> On 29/04/2022 2:24 PM, Salih Dincer wrote:
>> Although I don't understand it technically (what are DI 
>> files?),
>
> .di files are like regular .d files except by convention 
> non-templated functions have their bodies removed.

How I can prevent a function body from being removed in an 
interface file (because that function should be evaluated at 
compile time)?