Article: Writing Julia style multiple dispatch code in D

[Jean-Louis Leroy via Digitalmars-d-announce]

On Thursday, 31 August 2017 at 06:58:53 UTC, Petar Kirov 
[ZombineDev] wrote:
> The workaround is to cast to Object before getting the typeid. 
> The cause for this behavior is that if you have an interface 
> reference to an object it points to the interface vtbl and not 
> to the Object base class vtbl.

Yeah I know. And in my openmethods lib I simply follow the 
pointers, without relying on typeid. It does look to me like a 
bug though. D has all the info it needs to implement the process 
you describe.