I’ve been using Swift for close to 7 months now and I’ve seen all kind of weirdness1. Every time I catch something odd or interesting I try to take a note of it. Over time I got a nice collection of those notes 2.
Those are not only funny errors in Swift but more often simple notes on how to do something I wasn’t sure about — usually easy stuff that I tend to forget about if I’m not using that specific part of the language/framework enough. The first note about enumerating enums is coming up later today, expect more in the future.