Here’s a little help on delegates between two view controllers: Step 1: Make a protocol in the UIViewController that you will be removing/will be sending the data. protocol FooTwoViewControllerDelegate:class { func myVCDidFinish(_ controller: FooTwoViewController, text: String) } Step2: Declare the delegate in the sending class (i.e. UIViewcontroller) class FooTwoViewController: UIViewController { weak var delegate: FooTwoViewControllerDelegate? … Read more
You have an incredible number of choices to achieve delegates in C++. Here are the ones that came to my mind. Option 1 : functors: A function object may be created by implementing operator() struct Functor { // Normal class/struct members int operator()(double d) // Arbitrary return types and parameter list { return (int) d … Read more
The crucial distinction between Python’s __init__ and those other languages constructors is that __init__ is not a constructor: it’s an initializer (the actual constructor (if any, but, see later;-) is __new__ and works completely differently again). While constructing all superclasses (and, no doubt, doing so “before” you continue constructing downwards) is obviously part of saying … Read more