import Playgrounds
import Foundation


protocol Vehicle {
    var name: String { get }
    var color: String { get set }
}
struct Train: Vehicle {
    var name: String
    var color: String
    var delay: Int
    var content: Bike

    init(
        name: String = "ICE",
        color: String = "white",
        delay: Int = 0,
        @BikeBuilder content: @escaping () -> Bike
    ) {
        self.name = name
        self.color = color
        self.delay = delay
        self.content = content()
    }
}
struct Bike: Vehicle, CustomStringConvertible {
    var name: String
    var color: String
    var description: String { name + " is " + color }

    var price: some Equatable {
        "FREE"
    }
    static let trek = Bike(name: "Trek", color: "green")
    func emptyBasket() {
        print("emptied", Date())
    }
}