draft proposal for Sum Types for D

[deadalnix]

On Friday, 2 December 2022 at 16:43:45 UTC, Tejas wrote:
> Is it possible to make the syntax `int|float|char` style? We 
> could parameterize it as `alias type(T) = 
> int|float|customType!T;`
>
> Or will it mess with bitwise expressions too much? It _kinda_ 
> shouldn't since all the operands in bitwise or are variables, 
> but here they will _all_ be types

It 100% will, because the next step in enlightenment here is to 
realize that literal are also types with one value, and that the 
definitively belong in there.