simple (I think) eponymous template question ... what is proper idimatic way ?

[Alexandru Ermicioi]

On Tuesday, 17 August 2021 at 18:11:56 UTC, james.p.leblanc wrote:
> Is there a more elegant way, to do this?
>
> Regards,
> James
>
> PS Any violations should be caught at compile time.

That is template specialization:

```
auto moo(T : YourSpecialClassOrDType)(T myMoo) {•••}
```

You can also declare other overloads of the method, just make 
sure they don't overlap in the constraints, otherwise you'd get 
ambiguous call exception.

Regards,
Alexandru.