Algebraic Data Types in D?

[bearophile via Digitalmars-d]

Andrei Alexandrescu:

> I do agree tagged unions should be pushed into the language; 
> they'd help the GC.

A more general solution is to add a onGC() optional method that 
gets called by the GC on collections, and tells it what's inside 
the union.

Bye,
bearophile