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イニシャライザの定義(サンプル)

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  • 構造体のイニシャライズの定義について
sample.swift

struct SimplePlus {
    var plus: Int
    var Message: String

    // 一つ目のイニシャライザ。
    init(number1: Int, number2: Int){
        plus = number1 + number2
        Message = ""
    }
    // 二つ目のイニシャライザ。
    init(number1: String, number2: String){
        plus = Int(number1)! + Int(number2)!
        Message = "\(number1) + \(number2) = \(plus)"
    }
}

var ans1 = SimplePlus(number1: 4, number2: 5)
print(ans1.plus)
var ans2 = SimplePlus(number1: "1", number2: "2")
print(ans2.Message)



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