switch to member

[Ivan Kazmenko via Digitalmars-d-learn]

On Saturday, 14 January 2017 at 11:32:10 UTC, Marc Schütz wrote:
> You can utilize a little-known `switch` syntax trick in 
> combination with `foreach`. Because a `foreach` over tuples is 
> unrolled at compile time, it works even if your fields don't 
> have exactly the same types:
>
> <snip>

That looks concise.  Perhaps enum Which can also be automatically 
filled by __traits (allMembers) or std.traits.Fields if needed.