Dynamically create instance based on type in Swift

DynamicInit.swift

protocol Initializable {
  init()
}

class A : Initializable {
  var content:String
  
  required init() {
    content = "TestContent"
  }
}

func createInstance<T where T:Initializable>(typeThing:T.Type) -> T {
  return typeThing()
}

let a = createInstance(A)