{"id":1171,"date":"2023-03-22T16:01:30","date_gmt":"2023-03-22T07:01:30","guid":{"rendered":"https:\/\/iothingsmaker.com\/?p=1171"},"modified":"2024-02-19T14:54:59","modified_gmt":"2024-02-19T05:54:59","slug":"swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-1-2","status":"publish","type":"post","link":"https:\/\/iothingsmaker.com\/swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-1-2\/","title":{"rendered":"Swift \uae30\ucd08 \ubb38\ubc95 (1\/2)"},"content":{"rendered":"\n<p>Swift \uc5b8\uc5b4\uc758 \uae30\ubcf8 \ubb38\ubc95\uc744 \uc124\uba85\ud558\uace0, \uc608\uc81c \ucf54\ub4dc\ub85c \ubb38\ubc95\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n<p>Playground\ub97c \uc2e4\ud589\ud558\uc5ec \uc2e4\uc2b5\ud574 \ubcf4\uba74 \uc88b\uaca0\uc2b5\ub2c8\ub2e4.<br>\ub9e5\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uc788\ub2e4\uba74 \uc628\ub77c\uc778\uc5d0\uc11c \uc2e4\uc2b5\ud558\ub294 \ubc29\ubc95\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><a href=\"https:\/\/online.swiftplayground.run\/\" rel=\"noopener\">https:\/\/online.swiftplayground.run\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/swiftfiddle.com\/\" rel=\"noopener\">https:\/\/swiftfiddle.com\/<\/a><\/p>\n\n\n\n<p>Swift\ub294 \uc560\ud50c\uc5d0\uc11c \uac1c\ubc1c\ud55c \uc5b8\uc5b4\uc778\ub370\uc694. iOS, macOS, watchOS, tvOS \ub4f1\uc758 \uc560\ud50c \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc785\ub2c8\ub2e4. Swift\ub294 Objective-C\ub97c \ub300\uccb4\ud558\uae30 \uc704\ud574 \uc560\ud50c\uc5d0\uc11c \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. \uacfc\uac70\uc758 Objective-C\uc758 \ucf54\ub4dc\ub97c \ubcf4\uc168\ub358 \ubd84\uc774\ub77c\uba74, Swift \uac1c\ubc1c\uc5d0 \ubc15\uc218\ub97c \ubcf4\ub0bc \uac83\uc774\ub77c\uace0 \uc0dd\uac01\ud569\ub2c8\ub2e4. Objective-C\ub97c \uc0dd\uac01\ud558\uba74, \uc218\ub9ce\uc740 \ub300\uad04\ud638\uc640 \ubcc4\ud45c\uc2dc\uac00 \ub5a0\uc624\ub97c \uac81\ub2c8\ub2e4.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6266121846800542\"\n     crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-6266121846800542\"\n     data-ad-slot=\"4609112005\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<p><\/p>\n\n\n\n<p>Swift\uc758 \ucca0\ud559\uc740 3\ub2e8\uc5b4\ub85c \ud45c\ud604\ub418\ub294\ub370\uc694, Safe, Fast, Expressive \uc785\ub2c8\ub2e4. Swif\ub97c \uc0ac\uc6a9\ud558\ub2e4\ubcf4\uba74 3\uac00\uc9c0 \ucca0\ud559\uc774 \ub290\uaef4\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\ubcf8\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub370\uc774\ud130 \ud0c0\uc785<\/h3>\n\n\n\n<p>Swift\uc5d0\uc11c \uae30\ubcf8\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub370\uc774\ud130 \ud0c0\uc785\uc5d0\ub294 Int, Float, Double, Bool, String \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ubcc0\uc218\ub97c \uc120\uc5b8\ud560 \ub54c\ub294 var \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba70, \uc0c1\uc218\ub97c \uc120\uc5b8\ud560 \ub54c\ub294 let \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubcc0\uc218\uc640 \uc0c1\uc218\ub97c \uc120\uc5b8\ud560 \ub54c, \ub370\uc774\ud130 \ud0c0\uc785\uc744 \uc9c0\uc815\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc9c0\uc815\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Swift \uae30\ubcf8 \ubb38\ubc95\nvar number = 10\nvar number2 : Int = 20\nlet constant = \"Hello, world!\"\nlet constant2 : String = \"Hello, again!\"\nprint(number) \/\/ 10\nprint(number2) \/\/ 20\nprint(constant) \/\/ Hello, world!\nprint(constant2) \/\/ Hello, again!<\/pre>\n\n\n\n<p>\ucf54\ub4dc\ub97c \ubcf4\uc154\uc11c \uc544\uc2dc\uaca0\uc9c0\ub9cc, \ubb38\uc7a5 \ub05d\uc5d0 \uc138\ubbf8\ucf5c\ub860\uc744 \uc0dd\ub7b5\ud574\ub3c4 \ub429\ub2c8\ub2e4. \ubaa8\ub358 \uc5b8\uc5b4\ub4e4\uc758 \ud2b9\uc9d5\uc774\uc8e0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud568\uc218 \ud45c\ud604 \ubc29\ubc95<\/h3>\n\n\n\n<p>Swift\uc5d0\uc11c\ub294 \ud568\uc218\ub97c \uc815\uc758\ud560 \ub54c func \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub9ce\uc774 \uc544\uc2dc\ub294 \uac83\ucc98\ub7fc, \ud568\uc218\ub97c \uc815\uc758\ud560 \ub54c\ub294 \ub9e4\uac1c\ubcc0\uc218\ub97c \ubc1b\uc744 \uc218 \uc788\uace0, \ubc18\ud658\uac12\uc744 \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud568\uc218\uc5d0\uc11c\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \ub9e4\uac1c\ubcc0\uc218\uc758 \ub370\uc774\ud130 \ud0c0\uc785\uacfc \ubc18\ud658\uac12\uc758 \ub370\uc774\ud130 \ud0c0\uc785\uc744 \uc9c0\uc815\ud574\uc8fc\uc5b4\uc57c \ud569\ub2c8\ub2e4.\ub610\ud55c \ud568\uc218\ub97c \uc815\uc758\ud560\ub54c \ub9e4\uac1c\ubcc0\uc218\ub97c \uc0dd\ub7b5\ud558\uac70\ub098, \uae30\ubcf8\uac12\uc744 \uc124\uc815\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Swift \ud568\uc218\uc640 \uba54\uc18c\ub4dc\nfunc addNumbers(_ num1: Int, _ num2: Int) -> Int {\n    return num1 + num2\n}\n\nclass Calculator {\n    func multiplyNumbers(_ num1: Int, _ num2: Int) -> Int {\n        return num1 * num2\n    }\n}\n\nlet result1 = addNumbers(5, 3)\nlet calc = Calculator()\nlet result2 = calc.multiplyNumbers(5, 3)\nprint(result1) \/\/ 8\nprint(result2) \/\/ 15\n\n\/\/ \ub9e4\uac1c \ubcc0\uc218 \uc5c6\ub294 \ud568\uc218 \uc120\uc5b8\nfunc sayHello() {\n    print(\"Hi!\")\n}\n\nsayHello()  \/\/ \"Hi!\"\n\n\/\/ \uae30\ubcf8\uac12\uc774 \uc788\ub294 \ud568\uc218\nfunc greeting(name: String = \"Guest\") {\n    print(\"\uc548\ub155\ud558\uc138\uc694, \\(name)\ub2d8!\")\n}\n\n\/\/ \ud568\uc218 \ud638\ucd9c\ngreeting()          \/\/ \"\uc548\ub155\ud558\uc138\uc694, Guest\ub2d8!\" \ucd9c\ub825\ngreeting(name: \"John\")   \/\/ \"\uc548\ub155\ud558\uc138\uc694, John\ub2d8!\" \ucd9c\ub825\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ub370\uc774\ud130 \ud0c0\uc785<\/h3>\n\n\n\n<p>Swift\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \ub370\uc774\ud130 \ud0c0\uc785\uc758 \ubc30\uc5f4\uacfc \ub515\uc154\ub108\ub9ac\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ubc30\uc5f4\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 [] \uc548\uc5d0 \ub370\uc774\ud130\ub97c \uc27c\ud45c\ub85c \uad6c\ubd84\ud558\uc5ec \ub098\uc5f4\ud558\uba70, \ub515\uc154\ub108\ub9ac\ub97c \uc0ac\uc6a9\ud560 \ub54c\ub294 [:] \uc548\uc5d0 key-value \ud615\ud0dc\ub85c \ub370\uc774\ud130\ub97c \ub098\uc5f4\ud569\ub2c8\ub2e4. \ud29c\ud50c\uc740 \uc5ec\ub7ec \uac1c\uc758 \ub370\uc774\ud130\ub97c \ud558\ub098\uc758 \ubcc0\uc218\uc5d0 \uc800\uc7a5\ud560 \ub54c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud29c\ud50c\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 () \uc548\uc5d0 \ub370\uc774\ud130\ub97c \uc27c\ud45c\ub85c \uad6c\ubd84\ud558\uc5ec \ub098\uc5f4\ud558\uba70, \uac01\uac01\uc758 \ub370\uc774\ud130\ub294 .0, .1, .2 \ub4f1\uc758 \uc778\ub371\uc2a4\ub85c \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Swift \ub370\uc774\ud130 \ud0c0\uc785\uacfc \uceec\ub809\uc158\nvar names = [\"John\", \"Mary\", \"Tom\"]\nvar scores = [Int]()\nscores.append(90)\nscores.append(80)\nscores.append(70)\nvar person = (name: \"John\", age: 30)\nprint(names) \/\/ [\"John\", \"Mary\", \"Tom\"]\nprint(scores) \/\/ [90, 80, 70]\nprint(person.name) \/\/ John\n\n\/\/ \ub515\uc154\ub108\ub9ac\nvar fruits = [String: Int]()\nfruits[\"apple\"] = 3\nfruits[\"banana\"] = 2\nfruits[\"orange\"] = 5\n\/\/ \uac12 \ubcc0\uacbd\nfruits[\"banana\"] = 4\n\/\/ \uac12 \uc0ad\uc81c\nfruits.removeValue(forKey: \"orange\")\n\/\/ \ucd9c\ub825\nprint(fruits) \/\/ [\"apple\": 3, \"banana\": 4]\n\n\/\/ \ud29c\ud50c\nlet student = (\"John\", 18, \"male\")\n\/\/ \ud29c\ud50c \uc694\uc18c \uc811\uadfc\nlet name = student.0\nlet age = student.1\nlet gender = student.2\n\/\/ \ud29c\ud50c \ubd84\ud574 \ud560\ub2f9\nlet (studentName, studentAge, studentGender) = student\n\/\/ \ucd9c\ub825\nprint(student) \/\/ (\"John\", 18, \"male\")\n\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uc870\uac74\ubb38<\/h3>\n\n\n\n<p>Swift\uc5d0\uc11c \uc870\uac74\ubb38\uc73c\ub85c if, switch\uac00 \uc788\uc2b5\ub2c8\ub2e4. if\ubb38\uc740 \ub2e4\ub978 \uc5b8\uc5b4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc870\uac74\uc774 \ucc38\uc77c \ub54c \ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\uace0, switch\ubb38\uc740 \uc5ec\ub7ec \uac1c\uc758 \uacbd\uc6b0(case)\ub97c \ube44\uad50\ud558\uc5ec \ud574\ub2f9\ud558\ub294 \ucf54\ub4dc\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4. Swift\uc5d0\ub294 guard \ub77c\ub294 \ub3c5\ud2b9\ud55c \ubb38\ubc95\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. guard\ub294 \uc870\uac74\uc774 \ucc38\uc774 \uc544\ub2d0 \uacbd\uc6b0 \ucf54\ub4dc\ub97c \uc885\ub8cc\uc2dc\ud0ac\ub54c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. if-else \uc758 else \uc5d0 \ud574\ub2f9\ub418\ub294 \ubc18\ub300 \uacbd\uc6b0\ub97c \uc218\ud589\ud558\ub294 \ube14\ub7ed\uc774 \uc5c6\uc73c\ubbc0\ub85c, \ubc18\ub300 \uacbd\uc6b0 \uc218\ud589\ud558\ub294 \ube14\ub7ed\uc744 \uc774\ud6c4\uc5d0 \uc791\uc131\ud569\ub2c8\ub2e4. (\ub9d0\uadf8\ub300\ub85c \uac00\ub4dc\ub97c \uce58\uace0 \uc870\uac74\ubb38\uc774 \uc544\ub2cc \uacbd\uc6b0 \uc790\uae30 \uc601\uc5ed\uc73c\ub85c \ub04c\uace0 \uc640\uc11c \ucc98\ub9ac\ud55c\ub2e4\uace0 \uc0dd\uac01\ud558\uba74 \uc678\uc6b0\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ud639\uc740 \uac00\ub4dc\ub97c \uce58\uace0 \uc870\uac74\ubb38\uc774 \ub9de\uc73c\uba74 \ud1b5\uacfc \ub2e4\uc74c \ubb38\uc7a5\uc73c\ub85c \uc9c4\ud589\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uc154\ub3c4 \ub429\ub2c8\ub2e4. \uadf8\ub798\uc11c guard \ubb38\uc7a5\uc5d0\ub294 return\uc774 \ub4e4\uc5b4\uac00\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.)<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/if \ubb38\nvar age = 20\nif age >= 19 {\n    print(\"You are an adult.\")\n} else {\n    print(\"You are a minor.\")\n}\n\n\/\/guard \uc608\uc2dc\nfunc checkAge(age: Int?) {\n  guard let age = age, age >= 18 else {\n    print(\"You are not old enough to vote.\")\n    return\n  }\n  print(\"Welcome to the voting booth!\")\n} \/\/ 18\uc138 \uc774\uc0c1\uc774\uba74 guard \ub97c \uc9c0\ub098\uce68. \n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc18\ubcf5\ubb38<\/h3>\n\n\n\n<p>\ubc18\ubcf5\ubb38\uc73c\ub85c\ub294 for-in, while, repeat-while\uc774 \uc788\uc2b5\ub2c8\ub2e4. for-in\uc740 \ubc30\uc5f4\uc758 \uc694\uc18c\ub098 \ub515\uc154\ub108\ub9ac\uc758 key-value \uc30d\uc744 \uc21c\ucc28\uc801\uc73c\ub85c \ud0d0\uc0c9\ud558\uba70, while\ubb38\uacfc repeat-while\ubb38\uc740 \uc870\uac74\uc774 \ucc38\uc778 \ub3d9\uc548 \ucf54\ub4dc\ub97c \ubc18\ubcf5 \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \ubc18\ubcf5\ubb38\nvar sum = 0\nfor i in 1...5 {\n    sum += i\n}\nprint(sum) \/\/ 15\n\nvar i = 1\nwhile i &lt;= 5 {\n    print(i)\n    i += 1\n}\n\nrepeat {\n    print(i)\n    i += 1\n} while i &lt;= 10<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uc635\uc154\ub110<\/h3>\n\n\n\n<p>Swift\uc5d0\uc11c\ub294 \uc635\uc154\ub110\uc774\ub77c\ub294 \uac1c\ub150\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc635\uc154\ub110\uc740 \uac12\uc774 \uc788\uc744 \uc218\ub3c4 \uc788\uace0 \uc5c6\uc744 \uc218\ub3c4 \uc788\ub294 \ubcc0\uc218\ub97c \uc120\uc5b8\ud560 \ub54c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. nil \uac12\uc744 \ud560\ub2f9\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ud0c0\uc785 \ub4a4\uc5d0 ?\ub97c \ubd99\uc5ec\uc11c \uc635\uc154\ub110\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc635\uc154\ub110\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 optional binding\uc744 \ud1b5\ud574 \uac12\uc774 \uc874\uc7ac\ud560 \ub54c\uc640 nil\uc77c \ub54c \uac01\uac01\uc758 \ucc98\ub9ac\ub97c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc635\uc154\ub110 \uac12\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 \uac15\uc81c \ucd94\ucd9c(forced unwrapping)\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac12\uc774 \uc788\uc744 \ub54c\ub9cc \ucc98\ub9ac\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uc608\uc2dc \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Swift \uc635\uc154\ub110\nvar optionalValue: Int? = 5\nif let value = optionalValue {\n    print(\"optionalValue is \\(value)\")\n} else {\n    print(\"optionalValue is nil\")\n}\n\nvar optionalString: String? = \"Hello, world!\"\nprint(optionalString!) \/\/ Hello, world!<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uad6c\uc870\uccb4\uc640 \ud074\ub798\uc2a4<\/h3>\n\n\n\n<p>Swift\uc5d0\uc11c\ub294 \uad6c\uc870\uccb4\uc640 \ud074\ub798\uc2a4\uac00 \uc788\ub2e4. \uad6c\uc870\uccb4\ub294 \ub2e8\uc21c\ud55c \uac12\uc744 \ub2e4\ub8f0 \ub54c \uc0ac\uc6a9\ud558\uba70, \ud074\ub798\uc2a4\ub294 \uac1d\uccb4\ub97c \ub2e4\ub8f0 \ub54c \uc0ac\uc6a9\ub41c\ub2e4. \uad6c\uc870\uccb4\uc640 \ud074\ub798\uc2a4\ub294 \ud504\ub85c\ud37c\ud2f0\uc640 \uba54\uc18c\ub4dc\ub97c \uac00\uc9c8 \uc218 \uc788\uc73c\uba70, \uc0c1\uc18d\uacfc \ub2e4\ud615\uc131\ub3c4 \uc9c0\uc6d0\ub41c\ub2e4.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"swift\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Swift \uad6c\uc870\uccb4\uc640 \ud074\ub798\uc2a4\nstruct Person {\n    var name: String\n    var age: Int\n}\n\nclass Animal {\n    var name: String\n    init(name: String) {\n        self.name = name\n    }\n}\n\nvar person = Person(name: \"John\", age: 30)\nvar animal = Animal(name: \"Dog\")\nprint(person.name) \/\/ John\nprint(animal.name) \/\/ Dog<\/pre>\n\n\n\n<p>\ubcf8 \uae00\uc740 \uc5ec\uae30\uc11c \ub9c8\ubb34\ub9ac \ud558\uace0, 2\ubc88\uc9f8 \uc2dc\uac04\uc5d0\ub294 \ud504\ub85c\ud1a0\ucf5c, \ud074\ub85c\uc838, \uc5d0\ub7ec\ucc98\ub9ac\ub4f1\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uac10\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-iothingsmaker wp-block-embed-iothingsmaker\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"wZo2dOIT43\"><a href=\"https:\/\/iothingsmaker.com\/swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-2-2\/\">Swift \uae30\ucd08 \ubb38\ubc95 (2\/2)<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Swift \uae30\ucd08 \ubb38\ubc95 (2\/2)&#8221; &#8212; IoThingsMaker\" src=\"https:\/\/iothingsmaker.com\/swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-2-2\/embed\/#?secret=IgLbYjzRnR#?secret=wZo2dOIT43\" data-secret=\"wZo2dOIT43\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/iothingsmaker.com\/swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-2-2\/\">https:\/\/iothingsmaker.com\/swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-2-2\/<\/a><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Swift \uc5b8\uc5b4\uc758 \uae30\ubcf8 \ubb38\ubc95\uc744 \uc124\uba85\ud558\uace0, \uc608\uc81c \ucf54\ub4dc\ub85c \ubb38\ubc95\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Playground\ub97c \uc2e4\ud589\ud558\uc5ec \uc2e4\uc2b5\ud574 \ubcf4\uba74 \uc88b\uaca0\uc2b5\ub2c8\ub2e4.\ub9e5\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uc788\ub2e4\uba74 \uc628\ub77c\uc778\uc5d0\uc11c \uc2e4\uc2b5\ud558\ub294 \ubc29\ubc95\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. https:\/\/online.swiftplayground.run\/ https:\/\/swiftfiddle.com\/ Swift\ub294 \uc560\ud50c\uc5d0\uc11c \uac1c\ubc1c\ud55c \uc5b8\uc5b4\uc778\ub370\uc694. iOS, macOS, watchOS, tvOS \ub4f1\uc758 \uc560\ud50c \ud50c\ub7ab\ud3fc\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc785\ub2c8\ub2e4. Swift\ub294 Objective-C\ub97c \ub300\uccb4\ud558\uae30 \uc704\ud574 \uc560\ud50c\uc5d0\uc11c \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. \uacfc\uac70\uc758 Objective-C\uc758 \ucf54\ub4dc\ub97c \ubcf4\uc168\ub358 \ubd84\uc774\ub77c\uba74, Swift \uac1c\ubc1c\uc5d0 \ubc15\uc218\ub97c \ubcf4\ub0bc \uac83\uc774\ub77c\uace0 &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Swift \uae30\ucd08 \ubb38\ubc95 (1\/2)\" class=\"read-more button\" href=\"https:\/\/iothingsmaker.com\/swift-%ea%b8%b0%ec%b4%88-%eb%ac%b8%eb%b2%95-1-2\/#more-1171\" aria-label=\"Read more about Swift \uae30\ucd08 \ubb38\ubc95 (1\/2)\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":1236,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[1030],"tags":[1036,1035],"_links":{"self":[{"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/posts\/1171"}],"collection":[{"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/comments?post=1171"}],"version-history":[{"count":13,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/posts\/1171\/revisions"}],"predecessor-version":[{"id":1651,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/posts\/1171\/revisions\/1651"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/media\/1236"}],"wp:attachment":[{"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/media?parent=1171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/categories?post=1171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iothingsmaker.com\/wp-json\/wp\/v2\/tags?post=1171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}