sumtype 0.5.0

[Paul Backus]

On Wednesday, 8 August 2018 at 20:54:13 UTC, Paul Backus wrote:
> SumType is a generic sum type for modern D. It is meant as an 
> alternative to `std.variant.Algebraic`.

New point release, 0.5.3, with the following updates:
- SumType now uses the smallest possible integer type for its tag 
(e.g., `ubyte` if the number of types is less than 255).
- A bug involving structs with invalid .init values has been 
fixed.