[Swift]map()で配列を生成するサンプル
書式
$0.uppercased()
使用例
let cft = ["Aa", "Bb", "Cc"] let result = cft.map { $0.uppercased() } print(cft) print(result)
実行結果
[“Aa", “Bb", “Cc"]
[“AA", “BB", “CC"]
Coding Changes the World
書式
$0.uppercased()
使用例
let cft = ["Aa", "Bb", "Cc"] let result = cft.map { $0.uppercased() } print(cft) print(result)
実行結果
[“Aa", “Bb", “Cc"]
[“AA", “BB", “CC"]