Request for Comment assert(__ctfe)

[Stefan Koch]

On Tuesday, 7 April 2020 at 17:52:44 UTC, Jacob Carlborg wrote:
>
> void foo()
> {
>     assert(__ctfe);
> }
>
> void main() @system
> {
>     try
>         foo();
>     catch (AssertError)
>     {}
> }

firstly Does anybody actually do this?
secondly your program either complies with no change (i.e. the 
assert never fired), or you get a message telling you that 
ctfe-only functions can't be called at runtime.