Can we just have struct inheritence already?

[Mike Parker]

On Sunday, 9 June 2019 at 08:19:46 UTC, KnightMare wrote:

>
> what is the problem not doing this?
> copying is not to difficult: blit and call postblit for all 
> members if they have it.
> what the problem i forgot?

Object slicing. It's a problem with inherited types when passed 
by value.

https://stackoverflow.com/questions/274626/what-is-object-slicing#274636