{"id":1087,"date":"2026-05-31T00:27:17","date_gmt":"2026-05-30T15:27:17","guid":{"rendered":"https:\/\/nangchang.nes.or.kr\/?p=1087"},"modified":"2026-05-31T00:27:17","modified_gmt":"2026-05-30T15:27:17","slug":"1%ed%8e%b8-swift-%ec%86%8c%ea%b0%9c%ec%99%80-%ed%99%98%ea%b2%bd-%ec%84%a4%ec%a0%95-xcode-%ec%84%a4%ec%b9%98%eb%b6%80%ed%84%b0-%ec%b2%ab-%ec%a4%84-%ec%8b%a4%ed%96%89%ea%b9%8c%ec%a7%80","status":"publish","type":"post","link":"https:\/\/nangchang.nes.or.kr\/?p=1087","title":{"rendered":"[1\ud3b8] Swift \uc18c\uac1c\uc640 \ud658\uacbd \uc124\uc815 \u2014 Xcode \uc124\uce58\ubd80\ud130 \uccab \uc904 \uc2e4\ud589\uae4c\uc9c0"},"content":{"rendered":"
\n

\ud83e\udd16 \uc774 \uae00\uc740 Claude Code<\/a>(AI)\uac00 \uc791\uc131\ud569\ub2c8\ub2e4. | \uc2dc\ub9ac\uc988 \ubaa9\ucc28<\/a><\/p>\n<\/blockquote>\n

\uc774 \uc2dc\ub9ac\uc988\uc758 \uccab \ud3b8\uc785\ub2c8\ub2e4. \ucf54\ub4dc\ub97c \ud55c \uc904 \uc2e4\ud589\ud558\uae30 \uc804\uc5d0, \uba3c\uc800 Swift\ub77c\ub294 \uc5b8\uc5b4\uac00 \uc65c \uc874\uc7ac\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\ubd80\ud130 \uc2dc\uc791\ud569\ub2c8\ub2e4. \ub3c4\uad6c\ub97c \uc4f0\uae30 \uc804\uc5d0 \uadf8 \ub3c4\uad6c\uac00 \uc5b4\ub5a4 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub9cc\ub4e4\uc5b4\uc84c\ub294\uc9c0 \uc54c\uba74, \ub098\uc911\uc5d0 \ub0af\uc120 \ubb38\ubc95\uc744 \ub9cc\ub0ac\uc744 \ub54c “\uc65c \uc774\ub807\uac8c \uc0dd\uacbc\uc9c0?”\ub77c\ub294 \uc9c8\ubb38\uc5d0 \uc2a4\uc2a4\ub85c \ub2f5\ud560 \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n

\n

Swift\ub294 \uc65c \ub9cc\ub4e4\uc5b4\uc84c\ub294\uac00<\/h2>\n

2014\ub144 \uc774\uc804\uae4c\uc9c0 Apple \ud50c\ub7ab\ud3fc(macOS, iOS)\uc758 \uc571\uc740 Objective-C<\/strong>\ub77c\ub294 \uc5b8\uc5b4\ub85c \ub9cc\ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. Objective-C\ub294 1980\ub144\ub300 \uc124\uacc4\ub41c \uc5b8\uc5b4\ub85c, C \uc5b8\uc5b4\uc5d0 \uac1d\uccb4 \uc9c0\ud5a5 \ubb38\ubc95\uc744 \ub367\ubd99\uc778 \ud615\ud0dc\uc600\uc2b5\ub2c8\ub2e4. \uae30\ub2a5\uc740 \ucda9\ubd84\ud588\uc9c0\ub9cc \ubb38\ubc95\uc774 \ub0af\uc124\uace0 \uc2e4\uc218\ud558\uae30 \uc26c\uc6e0\uc2b5\ub2c8\ub2e4.<\/p>\n

2014\ub144 Apple\uc740 Swift\ub97c \ubc1c\ud45c\ud558\uba70 \uc774\ub807\uac8c \ub9d0\ud588\uc2b5\ub2c8\ub2e4. “Objective-C without the C.”<\/em> C \uc5b8\uc5b4\uc758 \uc9d0\uc744 \ub0b4\ub824\ub193\uace0, \ud604\ub300\uc801\uc778 \uc5b8\uc5b4 \uc124\uacc4 \uc6d0\uce59\uc744 \ucc98\uc74c\ubd80\ud130 \uc801\uc6a9\ud55c \uc0c8 \uc5b8\uc5b4\ub77c\ub294 \uc120\uc5b8\uc774\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n

Swift\uac00 \ud574\uacb0\ud558\ub824 \ud55c \ud575\uc2ec \ubb38\uc81c\ub294 \uc138 \uac00\uc9c0\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n

    \n
  • \uc548\uc804\uc131<\/strong> \u2014 \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud589\ub418\ub294 \ub3c4\uc911\uc5d0 \ud130\uc9c0\ub294 \uc624\ub958(\ub7f0\ud0c0\uc784 \ud06c\ub798\uc2dc)\ub97c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \uc2dc\uc810\uc5d0 \ubbf8\ub9ac \uc7a1\ub294\ub2e4<\/li>\n
  • \uc18d\ub3c4<\/strong> \u2014 Python\ucc98\ub7fc \ud3b8\ub9ac\ud558\uc9c0\ub9cc, C\uc5d0 \uac00\uae4c\uc6b4 \uc2e4\ud589 \uc18d\ub3c4\ub97c \ub0b8\ub2e4<\/li>\n
  • \ud45c\ud604\ub825<\/strong> \u2014 \uac19\uc740 \uc758\ub3c4\ub97c \ub354 \uc801\uc740 \ucf54\ub4dc\ub85c, \ub354 \uc77d\uae30 \uc88b\uac8c \uc4f8 \uc218 \uc788\ub2e4<\/li>\n<\/ul>\n

    \uc9c0\uae08\uc740 Swift \uc5c6\uc774 Apple \ud50c\ub7ab\ud3fc \uac1c\ubc1c\uc744 \ub17c\ud558\uae30 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. Objective-C\ub294 \uc5ec\uc804\ud788 \uc4f0\uc774\uc9c0\ub9cc, \uc0c8 \ud504\ub85c\uc81d\ud2b8\uc758 \ud45c\uc900\uc740 Swift\uc785\ub2c8\ub2e4.<\/p>\n

    \n

    \uc815\uc801 \ud0c0\uc785 \uc5b8\uc5b4 vs \ub3d9\uc801 \ud0c0\uc785 \uc5b8\uc5b4<\/h2>\n

    Swift\ub97c \uc774\ud574\ud558\ub294 \ub370 \uac00\uc7a5 \uc911\uc694\ud55c \uac1c\ub150 \ud558\ub098\ub97c \uace0\ub974\ub77c\uba74 \uc815\uc801 \ud0c0\uc785(static typing)<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n

    Python\uc774\ub098 JavaScript\ub294 \ub3d9\uc801 \ud0c0\uc785<\/strong> \uc5b8\uc5b4\uc785\ub2c8\ub2e4. \ubcc0\uc218\uc5d0 \uc5b4\ub5a4 \uc885\ub958\uc758 \uac12\uc774 \ub4e4\uc5b4\uac00\ub294\uc9c0\ub97c \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud589\ub420 \ub54c \ube44\ub85c\uc18c \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n

    # Python\nx = 42        # \uc815\uc218\nx = \"hello\"   # \ubb38\uc790\uc5f4\ub85c \ubc14\uafd4\ub3c4 \uc624\ub958 \uc5c6\uc74c\nx = [1, 2, 3] # \ub9ac\uc2a4\ud2b8\ub85c \ubc14\uafd4\ub3c4 \uc624\ub958 \uc5c6\uc74c\n<\/code><\/pre>\n
    \uc720\uc5f0\ud558\uc9c0\ub9cc, \uadf8\ub9cc\ud07c \uc2e4\uc218\uac00 \uc228\uc5b4\ub4e4\uae30 \uc27d\uc2b5\ub2c8\ub2e4. x<\/code>\uac00 \uc22b\uc790\ub77c\uace0 \ubbff\uace0 \uacc4\uc0b0\uc744 \ud588\ub294\ub370 \uc2e4\uc81c\ub85c\ub294 \ubb38\uc790\uc5f4\uc774\uc5c8\ub2e4\uba74, \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud589\ub418\ub294 \uc21c\uac04\uae4c\uc9c0 \uadf8 \uc624\ub958\ub97c \ubaa8\ub985\ub2c8\ub2e4.<\/p>\n
    Swift\ub294 \uc815\uc801 \ud0c0\uc785<\/strong> \uc5b8\uc5b4\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \ubcc0\uc218\uc758 \ud0c0\uc785\uc774 \ucf54\ub4dc\ub97c \ucef4\ud30c\uc77c\ud558\ub294 \uc2dc\uc810<\/em>\uc5d0 \uacb0\uc815\ub418\uace0, \ud55c\ubc88 \uc815\ud574\uc9c4 \ud0c0\uc785\uc740 \ubc14\ub00c\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n
    \/\/ Swift\nvar x = 42       \/\/ x\ub294 Int \ud0c0\uc785\uc73c\ub85c \uacb0\uc815\ub428\nx = \"hello\"      \/\/ \ucef4\ud30c\uc77c \uc624\ub958: Int\uc5d0 String\uc744 \ub300\uc785\ud560 \uc218 \uc5c6\uc74c\n<\/code><\/pre>\n
    \ubd88\ud3b8\ud574 \ubcf4\uc77c \uc218 \uc788\uc9c0\ub9cc, \uc774 \uc81c\uc57d\uc774 \uc624\ud788\ub824 \uc548\uc804\ub9dd\uc774 \ub429\ub2c8\ub2e4. \uc2e4\uc218\ub97c \ucf54\ub4dc \uc791\uc131 \ub2e8\uacc4\uc5d0\uc11c \uc7a1\uc544\uc8fc\uae30 \ub54c\ubb38\uc5d0, \uc571\uc774 \uc0ac\uc6a9\uc790 \uc190\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \ub3c4\uc911\uc5d0 \ud130\uc9c0\ub294 \uc77c\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n
    \n
    \ucef4\ud30c\uc77c \uc5b8\uc5b4\ub780 \ubb34\uc5c7\uc778\uac00<\/h2>\n
    Python\uc740 \ucf54\ub4dc\ub97c \ud55c \uc904\uc529 \uc77d\uc73c\uba74\uc11c \ubc14\ub85c \uc2e4\ud589\ud558\ub294 \uc778\ud130\ud504\ub9ac\ud130<\/strong> \ubc29\uc2dd\uc785\ub2c8\ub2e4. Swift\ub294 \ucf54\ub4dc \uc804\uccb4\ub97c \uba3c\uc800 \uae30\uacc4\uc5b4\ub85c \ubc88\uc5ed(\ucef4\ud30c\uc77c<\/strong>)\ud55c \ub4a4 \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n
    \ucef4\ud30c\uc77c \ub2e8\uacc4\uac00 \uc788\ub2e4\ub294 \uac83\uc740 \ub450 \uac00\uc9c0\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n
      \n
    1. \uc2e4\ud589 \uc18d\ub3c4\uac00 \ube60\ub974\ub2e4<\/strong> \u2014 \uc774\ubbf8 \uae30\uacc4\uc5b4\ub85c \ubcc0\ud658\ub41c \ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\ubbc0\ub85c, \ub9e4\ubc88 \ud574\uc11d\ud558\ub294 \uacfc\uc815\uc774 \uc5c6\ub2e4<\/li>\n
    2. \uc624\ub958\ub97c \ubbf8\ub9ac \uc7a1\ub294\ub2e4<\/strong> \u2014 \ucef4\ud30c\uc77c\ub7ec\uac00 \uc804\uccb4 \ucf54\ub4dc\ub97c \ud6d1\uc73c\uba70 \ud0c0\uc785 \uc624\ub958, \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \ud568\uc218 \ud638\ucd9c \ub4f1\uc744 \uc2e4\ud589 \uc804\uc5d0 \uc54c\ub824\uc900\ub2e4<\/li>\n<\/ol>\n
      Xcode\uc5d0\uc11c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub2e4 \ube68\uac04 \ubc11\uc904\uc774 \uadf8\uc5b4\uc9c0\ub294 \uac83\uc774 \ubc14\ub85c \ucef4\ud30c\uc77c\ub7ec\uac00 \ubbf8\ub9ac \uc624\ub958\ub97c \uc7a1\uc544\uc8fc\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
      \n
      Xcode \uc124\uce58<\/h2>\n
      Swift \uac1c\ubc1c \ud658\uacbd\uc740 Xcode<\/strong>\uc785\ub2c8\ub2e4. macOS\uc5d0\uc11c\ub9cc \ub3d9\uc791\ud558\ub294 Apple \uacf5\uc2dd IDE(\ud1b5\ud569 \uac1c\ubc1c \ud658\uacbd)\ub85c, Mac App Store\uc5d0\uc11c \ubb34\ub8cc\ub85c \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
      App Store\uc5d0\uc11c “Xcode”\ub97c \uac80\uc0c9\ud574 \uc124\uce58\ud569\ub2c8\ub2e4. \uc124\uce58 \uc6a9\ub7c9\uc774 10GB\ub97c \ub118\uc73c\ub2c8 \uc2dc\uac04\uc774 \uac78\ub9bd\ub2c8\ub2e4. \uc124\uce58\uac00 \ub05d\ub098\uba74 \ud55c \ubc88 \uc2e4\ud589\ud574 \ucd94\uac00 \uad6c\uc131 \uc694\uc18c \uc124\uce58\ub97c \uc644\ub8cc\ud569\ub2c8\ub2e4.<\/p>\n
      \n
      \ubc84\uc804 \ud655\uc778:<\/strong> \uc774 \uc2dc\ub9ac\uc988\ub294 Xcode 16, Swift 5.9 \uc774\uc0c1\uc744 \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4. Xcode \uba54\ub274 \u2192 About Xcode\uc5d0\uc11c \ubc84\uc804\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n
      \n
      Playground: \uac00\uc7a5 \ube60\ub978 Swift \uc2e4\ud589 \ud658\uacbd<\/h2>\n
      Xcode\ub97c \uc124\uce58\ud588\ub2e4\uba74 \uc571 \ud504\ub85c\uc81d\ud2b8\ub97c \ub9cc\ub4e4\uae30 \uc804\uc5d0 Playground<\/strong>\ub97c \uba3c\uc800 \uc368\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Playground\ub294 \ucf54\ub4dc\ub97c \ud0c0\uc774\ud551\ud558\ub294 \uc989\uc2dc \uacb0\uacfc\ub97c \uc624\ub978\ucabd\uc5d0 \ubcf4\uc5ec\uc8fc\ub294 \ub300\ud654\ud615 \uc2e4\ud589 \ud658\uacbd\uc785\ub2c8\ub2e4. Python\uc758 REPL(\uc778\ud130\ub799\ud2f0\ube0c \uc178)\uacfc \ube44\uc2b7\ud55c \uc5ed\ud560\uc785\ub2c8\ub2e4.<\/p>\n
      Playground\ub97c \uc5ec\ub294 \ubc29\ubc95:<\/p>\n
        \n
      1. Xcode \uc2e4\ud589<\/li>\n
      2. \uba54\ub274\uc5d0\uc11c File \u2192 New \u2192 Playground \uc120\ud0dd<\/li>\n
      3. Blank \ud15c\ud50c\ub9bf \uc120\ud0dd \ud6c4 \uc800\uc7a5<\/li>\n<\/ol>\n
        \ucc98\uc74c \uc5f4\uba74 \uc774\ub7f0 \ucf54\ub4dc\uac00 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n
        import Foundation\n\nvar greeting = \"Hello, playground\"\n<\/code><\/pre>\n
        \uc624\ub978\ucabd \ud328\ub110\uc5d0 \"Hello, playground\"<\/code>\uac00 \ud45c\uc2dc\ub418\uba74 \uc815\uc0c1\uc785\ub2c8\ub2e4. \uc774 \ud658\uacbd\uc5d0\uc11c \uc774 \uc2dc\ub9ac\uc988\uc758 \ucf54\ub4dc \uc608\uc81c\ub4e4\uc744 \uc9c1\uc811 \uc2e4\ud589\ud574\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
        \n
        \uccab \ucf54\ub4dc \u2014 print, \ubcc0\uc218, \ud0c0\uc785 \ucd94\ub860<\/h2>\n
        Playground\uc5d0\uc11c \uc544\ub798 \ucf54\ub4dc\ub97c \uc785\ub825\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
        print(\"Hello, Swift!\")\n<\/code><\/pre>\n
        \ucf58\uc194 \ud558\ub2e8\uc5d0 Hello, Swift!<\/code>\uac00 \ucd9c\ub825\ub429\ub2c8\ub2e4.<\/p>\n
        \uc774\uc81c \ubcc0\uc218\ub97c \uc120\uc5b8\ud574\ubd05\ub2c8\ub2e4.<\/p>\n
        var name = \"Alice\"\nvar age = 30\nvar height = 165.5\nvar isStudent = true\n\nprint(name)    \/\/ Alice\nprint(age)     \/\/ 30\nprint(height)  \/\/ 165.5\n<\/code><\/pre>\n
        Swift\ub294 \ud0c0\uc785 \ucd94\ub860(type inference)<\/strong>\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. var name = \"Alice\"<\/code>\ub77c\uace0 \uc4f0\uba74 Swift \ucef4\ud30c\uc77c\ub7ec\uac00 \uc624\ub978\ucabd \uac12 \"Alice\"<\/code>\ub97c \ubcf4\uace0 name<\/code>\uc774 String<\/code> \ud0c0\uc785\uc784\uc744 \uc2a4\uc2a4\ub85c \ud310\ub2e8\ud569\ub2c8\ub2e4. \ud0c0\uc785\uc744 \uc9c1\uc811 \uba85\uc2dc\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
        var name: String = \"Alice\"\nvar age: Int = 30\nvar height: Double = 165.5\nvar isStudent: Bool = true\n<\/code><\/pre>\n
        \ub458 \ub2e4 \ub3d9\uc77c\ud558\uac8c \ub3d9\uc791\ud569\ub2c8\ub2e4. \ud0c0\uc785\uc774 \uba85\ud655\ud55c \uacbd\uc6b0\uc5d0\ub294 \ucd94\ub860\uc5d0 \ub9e1\uae30\ub294 \uac83\uc774 \uad00\ub840\uc785\ub2c8\ub2e4.<\/p>\n
        \ub2e4\uc74c\uc73c\ub85c \uc0c1\uc218\ub97c \uc120\uc5b8\ud574\ubd05\ub2c8\ub2e4. var<\/code> \ub300\uc2e0 let<\/code>\uc744 \uc4f0\uba74 \uac12\uc744 \ubc14\uafc0 \uc218 \uc5c6\ub294 \uc0c1\uc218\uac00 \ub429\ub2c8\ub2e4.<\/p>\n
        let pi = 3.14159\npi = 3.0  \/\/ \uc624\ub958: \uc0c1\uc218\ub294 \uac12\uc744 \ubcc0\uacbd\ud560 \uc218 \uc5c6\uc74c\n<\/code><\/pre>\n
        Swift\ub294 \ubcc0\uacbd\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc73c\uba74 let<\/code>\uc744 \uc4f0\ub294 \uac83\uc744 \uad8c\uc7a5<\/strong>\ud569\ub2c8\ub2e4. \uc758\ub3c4\uce58 \uc54a\uac8c \uac12\uc774 \ubc14\ub00c\ub294 \uc2e4\uc218\ub97c \ucef4\ud30c\uc77c\ub7ec\uac00 \ub9c9\uc544\uc8fc\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n
        \n
        \ub2e4\ub978 \uc5b8\uc5b4\uc640 \ube44\uad50<\/h2>\n\n\n\n\n\n\n\n\n\n\n
        <\/th>\nPython<\/th>\nJavaScript<\/th>\nSwift<\/th>\n<\/tr>\n<\/thead>\n
        \ud0c0\uc785 \uacb0\uc815 \uc2dc\uc810<\/td>\n\ub7f0\ud0c0\uc784<\/td>\n\ub7f0\ud0c0\uc784<\/td>\n\ucef4\ud30c\uc77c \ud0c0\uc784<\/td>\n<\/tr>\n
        \ubcc0\uc218 \uc120\uc5b8<\/td>\nx = 1<\/code><\/td>\nlet x = 1<\/code><\/td>\nvar x = 1<\/code><\/td>\n<\/tr>\n
        \uc0c1\uc218 \uc120\uc5b8<\/td>\n(\uc5c6\uc74c, \uad00\ub840\ub85c \ub300\ubb38\uc790)<\/td>\nconst x = 1<\/code><\/td>\nlet x = 1<\/code><\/td>\n<\/tr>\n
        \ucd9c\ub825<\/td>\nprint(x)<\/code><\/td>\nconsole.log(x)<\/code><\/td>\nprint(x)<\/code><\/td>\n<\/tr>\n
        \ubb38\uc790\uc5f4 \ubcf4\uac04<\/td>\nf\"\uc548\ub155 {name}\"<\/code><\/td>\n`\uc548\ub155 ${name}`<\/code><\/td>\n\"\uc548\ub155 \\(name)\"<\/code><\/td>\n<\/tr>\n
        \uc2e4\ud589 \ubc29\uc2dd<\/td>\n\uc778\ud130\ud504\ub9ac\ud130<\/td>\nJIT \ucef4\ud30c\uc77c<\/td>\nAOT \ucef4\ud30c\uc77c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        JavaScript\uc758 let<\/code>\uc740 \ubcc0\uacbd \uac00\ub2a5\ud55c \ubcc0\uc218\uc774\uace0, Swift\uc758 let<\/code>\uc740 \uc0c1\uc218\uc785\ub2c8\ub2e4. \uac19\uc740 \ud0a4\uc6cc\ub4dc\uac00 \ubc18\ub300 \uc758\ubbf8\ub97c \uac00\uc9c0\ubbc0\ub85c \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n
        \n
        \ud575\uc2ec \uc694\uc57d<\/h2>\n