Tuple enumeration without integers or strings

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On Sunday, 3 January 2021 at 04:16:20 UTC, Paul Backus wrote:
> On Sunday, 3 January 2021 at 02:41:12 UTC, Paul wrote:

> hashOf is not guaranteed to produce unique values, so I would 
> not advise using it here.

Of course it's a hashing method but also internally used for 
comparison and good enough, at least in that example code. By 
using an enum I don't assume there will be that much members to 
take care of anyway. The hash is also generated at compile time.