swift ๋ฌธ๋ฒ•๐Ÿ–ค

[SWIFT] ๋ฌธ์ž์—ด์„ ๋ฐฐ์—ด๋กœ, ๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ (String to arr, arr to String)

eundeang 2023. 6. 7. 12:02

๋ฌธ์ž์—ด ์ž์ฒด๋„, ์—ฌ๋Ÿฌ๊ฐœ์˜ ๋ฌธ์ž๋ฅผ ๋‹ด๊ณ ์žˆ๋Š” ๋ฐ์ดํ„ฐ๋ฐ”๊ตฌ๋‹ˆ

==> ์‰ฝ๊ฒŒ ๋ฐฐ์—ด๋กœ ๋ณ€ํ˜•์ด ๊ฐ€๋Šฅํ•˜๊ณ , ๋ฐ˜๋Œ€ ๋ณ€ํ˜•๋„ ์‰ฌ์›€

String to arr

    • String    ====>  [String]   ๋ฌธ์ž์—ด ๋ฐฐ์—ด
      • โญ๏ธ๊ณ ์ฐจํ•จ์ˆ˜ map ์‚ฌ์šฉ
        • var ๋ณ€์ˆ˜๋ช…: [String] = ๋ณ€๊ฒฝํ•˜๊ณ ์ž ํ•˜๋Š” String.map { String($0) }
    • String    ====> [Character] ๋ฌธ์ž ๋ฐฐ์—ด
      • Array() ์‚ฌ์šฉ 
        • var ๋ณ€์ˆ˜๋ช…: [Character] = Array(๋ณ€๊ฒฝํ•˜๊ณ ์ž ํ•˜๋Š” String

 

arr to String

    • [String]           ====>    String
      • โญ๏ธjoined ํ•จ์ˆ˜ ์‚ฌ์šฉ 
        • var ๋ณ€์ˆ˜๋ช… = ๋ณ€๊ฒฝํ•˜๊ณ ์ž ํ•˜๋Š” Array.joined()
    • [Character]    ====>    String
      • String() ์‚ฌ์šฉ 
        • var ๋ณ€์ˆ˜๋ช… = String(๋ณ€๊ฒฝํ•˜๊ณ ์ž ํ•˜๋Š” Array)