Tuple enumeration without integers or strings

[Paul]

On Sunday, 3 January 2021 at 02:17:43 UTC, frame wrote:
> Besides the problem with equal values, what's wrong with that:
>
> alias Thing = Tuple!(int, int);
> enum Wind {
>     A = Thing(0, 1),
>     B = Thing(0, 2),
>     C = Thing(0, 2)
> }
>
> void some_function(Wind w) {
>     switch (w.hashOf) {
>     case Wind.B.hashOf:
>         break;
>
>     default:
>         assert(0);
>     }
> }
>
> void main() {
>     some_function(Wind.B);
>     writefln("%d%d", Wind.C.expand);
> }

I haven't used hashOf before, though assuming no  equal values, 
which I generally wouldn't do, I take it this is reliable? I 
haven't tried it before, and I dont know how to effectively 
compare it to using 'switch(w.to!string)' & 'case 
Wind.B.stringof' (regarding speed/reliability).