draft proposal for Sum Types for D

[Timon Gehr]

On 11/29/22 16:54, deadalnix wrote:
> 
> The second one is that it ends up replacing builtin types in the 
> codebase by custom types, most notably dynamic arrays (which I'll call 
> slices). Doing so de facto breaks most of the codebase in ways that 
> cannot be easily fixed, because there is no way to have a builtin type 
> that behave like a slice.

How are you replacing slices with sum types precisely? Was it enum tag 
and a slice, where the tag also determines the length of the slice?