Let me quote a couple of relevant parts of my comment: > Many years ago > (before Objective C had exceptions or blocks or GC or ...) TOM had the things that

Let me quote a couple of relevant parts of my comment: > Many years ago > (before Objective C had exceptions or blocks or GC or ...) TOM had the things that I mentioned back in 1998, 1999, maybe earlier. Objective C has come a long way since then.