Unittest Absurdity

[Ruby The Roobster]

On Friday, 5 August 2022 at 01:42:23 UTC, jfondren wrote:
> On Friday, 5 August 2022 at 01:38:48 UTC, jfondren wrote:
>
> Here's a complete example that passes tests:
>
> ```d
> struct S {
>     int n;
>     void opOpAssign(string op)(S rhs) if (op == "/") {
>         n++;
>     }
> }
>
> unittest {
>     auto a = S(1), b = S(2);
>     a /= b;
>     b /= a;
>     assert(a.n == 2);
>     assert(b.n == 3);
> }
> ```

I found the issue:  opOpAssign isn't getting called at all.  I 
have no idea why, though.