UFCS for arguments other than first?

[Heisenberg via Digitalmars-d]

On Saturday, 12 November 2016 at 06:42:24 UTC, Temtaime wrote:
> You are wrong. We can use n1 for the second parameter.
>
> int someNumber(int a, int b)
>  {
>      return a + b;
>  }
>
> int main()
> {
>      int n1 = 5;
>      return (n1.someNumber = n1); // 10
>  }

In this specific case, yes - however:

>int getResult(int a, int b, int c)
>{
>     return(a * 2 - b * 3 + c * 4);
>}
>int main()
>{
>    int n1 = 3, n2 = 5, n3 = 7;
>    // If one needs to chain n3,
>    // but requires it to be entered
>    // as the third argument?
>    return(n3.getResult(n1, n2)); // `n3` is the `a`
>    return(n3.getResult = tuple(n1, n2)[]); // still `a`
>}

Being able to specify the position would help maintain 'the 
chain' intact.