trying out map

53da58.swift

class Named {
    let name: String
    
    init(name: String) {
        self.name = name
    }
}

let cat = Named(name: "cat")
let dog = Named(name: "dog")
let catDow = Named(name: "catDog")

let animals = [cat, dog, catDow]
let animalNames = animals.map { "\($0.name)" }.joinWithSeparator(", ")

print(animalNames)