Philippe Sigaud: > Encoding the cow's state in its type is no good either, as you cannot change > a cow's type. I think OCaml does it with algebraic data types. These are > doable in D, but only testable at runtime...
More answers later. In the meantime this contains something about the "typestate": http://d.puremagic.com/issues/show_bug.cgi?id=4571 Bye, bearophile
