Generic substitution principle in Swift
Forums:
class Vehicle {
func test() {
//Implementation
}
}
class Car: Vehicle { }
class Truck: Vehicle {}
var list = Array<Vehicle>()
let vehicle = Vehicle()
let car = Car()
let truck = Truck()
list.append(vehicle)
list.append(car)
list.append(truck)
for vehicle in list {
vehicle.test()
}
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