Conform to Protocol MKAnnotation via Custom Protocol

Question

I want to get 2 or more different object types on a map easily. Swift 2.0, I wanted to use Protocols.

I created a protocol that these object need to conform too. I a

Answer 1

After dealing with the hassle of MapViewController's data source being

var pins = [AnyObject]()

I came to the realisation that I could easily avoid all the associated issues of type checking and use the preferred array of PinProtocols

var pins = [PinProtocol]()

The workaround was simply

func addToMap() {
    let mappingPins = pins.map{ $0 as AnyObject }
    mapView.addAnnotations(mappingPins as! [MKAnnotation])
    mapView.showAnnotations(mappingPins as! [MKAnnotation], animated: true)
}