Compile time values & implicit conditional mixin, as an alternative to tertiary operator hell and one-compile-time functions.

[Paul Backus]

On Saturday, 16 January 2021 at 14:20:19 UTC, Paul wrote:
> This seems like a workaround for defining a function, and seems 
> semantically strange to me. You're still restricted to 
> immediate local 'onelines'.

This is true no matter what you do, because `enum` constants are 
immutable. Their value has to be computed in a single expression, 
and once assigned, it can never change.