A Team of Structs
Combine structs with arrays and loops.
1struct Player {
2 var name: String
3 var score: Int
4
5 func cheer() {
6 print("Go \(name)! Score: \(score)")
7 }
8}
9
10let ada = Player(name: "Ada", score: 100)
11let grace = Player(name: "Grace", score: 120)
12let players = [ada, grace]
13for player in players {
14 player.cheer()
15}
$ swift main.swift
Go Ada! Score: 100
Go Grace! Score: 120
Every line, explained
struct Player {- struct Dog { ... } defines a struct: a blueprint bundling values that belong together. Swift developers reach for structs first when they want to model a "thing". This one is for game players.
var name: String- This player's name.
var score: Int- This player's score.
func cheer() {- Something every Player can do.
print("Go \(name)! Score: \(score)")- Uses both of this player's properties.
}- This } closes the method.
}- This } closes the struct.
let ada = Player(name: "Ada", score: 100)- One player...
let grace = Player(name: "Grace", score: 120)- ...and another.
let players = [ada, grace]- Structs can go in an array, just like numbers or strings!
for player in players {- And for-in can visit each one: everything from Intro to Swift works with your own structs.
player.cheer()- Each player cheers with their own name and score. Structs, methods, arrays and loops: that is real Swift!
}- This } closes the for loop.