mixin under -betterC

[DLearner]

On Thursday, 23 November 2023 at 17:03:29 UTC, Julian Fondren 
wrote:
> On Thursday, 23 November 2023 at 16:33:52 UTC, DLearner wrote:
>> Why is this so, bearing in mind the concatenations are 
>> executed at
>> compile, not run, time?
>
> If you compile without -betterC, it'll work, but if you examine 
> the result you'll find that the mxnTest function is still 
> compiled into the result. D makes it so convenient to use 
> functions at compile-time that there's no clear distinction for 
> functions that should only exist at compile-time.
>
> Make mxnTest a template:
>
> ```d
> string mxnTest()(string strVar1, string strVar2) {
>               ^^
> ```

I tried what you suggested, and with no other changes it compiled 
and ran correctly.
Thanks!

I just find it surprising that your suggestion worked, but the 
(slightly simpler) earlier version did not.