Class conforming to protocol as function parameter in Swift

Question

In Objective-C, it\'s possible to specify a class conforming to a protocol as a method parameter. For example, I could have a method that only allows a UIViewControlle

Answer 1

With Swift 3, you can do the following:

func foo(_ dataSource: UITableViewDataSource) {
    self.tableView.dataSource = dataSource
}

func foo(_ delegateAndDataSource: UITableViewDelegate & UITableViewDataSource) { 
    //Whatever
}