Whats meaning of nil => .State2 ? Got an error about swiftstate HOT 2 CLOSED

I got reason, please remove びっくりマーク ! from context.userInfo.
the "machine <- .State1" don't include userinfo, so it is nil, (context.userInfo!) will raise an exception.

        machine.addRoute(.AnyState => .State2) { context in println("Any => 2, msg=\(context.userInfo)") }
        machine.addRoute(.State2 => nil) { context in println("2 => Any, msg=\(context.userInfo)") }

from swiftstate.

OK, I just removed unwrapping optionals in 9561e88 for safety. Thanks :)

from swiftstate.