I use a lot of R, and like many aspects of it. But the fact that `f(stop("Hi!"))` may or may not throw an error depending on the internals of `f` is a little ma

I use a lot of R, and like many aspects of it. But the fact that `f(stop("Hi!"))` may or may not throw an error depending on the internals of `f` is a little maddening. (And there are tons of similar issues.)