> On May 18, 2016, at 1:43 PM, Krystof Vasa <[email protected]> wrote: > > See my example with the tableView and the UITableViewDelegate on > UITableViewController. `if let x = x` isn't the usual case. The usual case is > that you have e.g. tableView instance on the class and a method that takes a > tableView parameter. That would be shadowing.
> Then you change the method signature not to include the parameter and the > code still compiles, since the tableView reference now goes to the instance > variable, which is wrong. If the annotation/keyword behaved similar to ‘override’, then you would either have a shadowing warning before saying that there was shadowing, or afterward saying that you are using the annotation/keyword when shadowing isn’t happening. > > I agree that shadowing variables is not a good idea, but I stand by my point > that it's potentially dangerous and error-prone to allow accessing instance > variables without `self`. > > Krystof > -DW _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
