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creaaa/リテラルを用いない、けど要素は指定したい配列の初期化方法

Created April 6, 2018 00:30
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知っとくと、助けられる場面が来るかも
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リテラルを用いない、けど要素は指定したい配列の初期化方法
// 見ての通り、arrayLiteral の個数は可変
let x = Array<String>(arrayLiteral: "おとはす", "マリリ") // ["おとはす","マリリ"]
let y = Array<Int>(arrayLiteral: 1, 2, 3) // [1,2,3]
let z = Array<Int?>(arrayLiteral: nil) // [nil]
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