Structs and Classes
Initializers
Initializers prepare a new instance by assigning all required stored properties.
Build an instance
initializers.swift
struct Player {
let name: String
let level: Int
init(name: String, startingLevel: Int) {
self.name = name
self.level = startingLevel + 1
}
}
let startingLevel =
let player = Player(name: "Mira", startingLevel: startingLevel)
print("name=\(player.name)")
print("level=\(player.level)")
struct Player {
let name: String
let level: Int
init(name: String, startingLevel: Int) {
self.name = name
self.level = startingLevel + 1
}
}
let startingLevel =
let player = Player(name: "Mira", startingLevel: startingLevel)
print("name=\(player.name)")
print("level=\(player.level)")
struct Player {
let name: String
let level: Int
init(name: String, startingLevel: Int) {
self.name = name
self.level = startingLevel + 1
}
}
let startingLevel =
let player = Player(name: "Mira", startingLevel: startingLevel)
print("name=\(player.name)")
print("level=\(player.level)")
init
An initializer can accept parameters, transform them, and store the final values on the new instance.