Reducing variadic template combinatorics (C++ was onto something)

[Dennis]

On Tuesday, 14 October 2025 at 14:44:56 UTC, Steven Schveighoffer 
wrote:
> Right, if nothing else it is a "best practice" on how to avoid 
> template bloat. But if there is a way we can convey to the 
> compiler this pattern, it would be very nice!

I don't see the difference between the two, isn't the following 
both a "best practice" as well as conveying the pattern to the 
compiler?

```D
void f(T...)(T args) if (T.length > 1)
{
     foreach (arg; args)
         f(arg);
}

void f(T)(T arg)
{
     // Implementation
}
```