bearophile wrote: > Robert Fraser: >> In D if you want to treat a Template!(SomeClass) as a Template!(Object), >> it's as easy as "cast(Template!(Object)) cast(void*) x" > > How is this related to Covariance/Contravariance and in/out keywords, as shown in C#4? > > Bye, > bearophile Errr... isn't that the point of covariance/contravariance?