{"id":128,"date":"2020-01-23T20:44:26","date_gmt":"2020-01-23T11:44:26","guid":{"rendered":"https:\/\/blog.daymore.com\/?p=128"},"modified":"2020-02-03T21:56:26","modified_gmt":"2020-02-03T12:56:26","slug":"swift-%ea%b0%92-%ec%b0%b8%ec%a1%b0-%ed%83%80%ec%9e%85","status":"publish","type":"post","link":"https:\/\/blog.daymore.com\/?p=128","title":{"rendered":"Swift \uac12, \ucc38\uc870 \ud0c0\uc785"},"content":{"rendered":"\n<p>\ucc38\uc870(Reference) \ud0c0\uc785: \ud074\ub798\uc2a4, \ud568\uc218(\uac1d\uccb4), \ud074\ub85c\uc800<br>\ub098\uba38\uc9c0 \ubaa8\ub450 \uac12(Value) \ud0c0\uc785<\/p>\n\n\n\n<p>\uad6c\uc870\uccb4\ub294 \uac12 \ud0c0\uc785\uc774\uae30 \ub54c\ubb38\uc5d0 \uad6c\uc870\uccb4 \uba54\uc18c\ub4dc \ub0b4\uc5d0\uc11c \ud504\ub85c\ud37c\ud2f0\ub97c \uc218\uc815\ud560 \uc218 \uc5c6\uc74c<br>\uba54\uc18c\ub4dc \ub0b4\uc5d0\uc11c \ud504\ub85c\ud37c\ud2f0 \uc218\uc815\ud558\ub824\uba74 mutating \ud0a4\uc6cc\ub4dc \uc0ac\uc6a9<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct Point {\n    var x = 0.0, y = 0.0\n    mutating func moveBy(x deltaX: Double, y deltaY: Double) {\n        x += deltaX\n        y += deltaY\n    }\n}\n\nvar somePoint = Point(x: 1.0, y: 1.0)\nwithUnsafePointer(to: &amp;somePoint) { (p) in\n    print(p)    \/\/0x00007ffeeb538570\n}\n\nsomePoint.moveBy(x: 2.0, y: 3.0)\nwithUnsafePointer(to: &amp;somePoint) { (p) in\n    print(p)    \/\/0x00007ffeeb538570\n}\n\n\/\/\ud639\uc2dc\ub098 \ud574\uc11c \uc8fc\uc18c\uac12\uc744 \ucc0d\uc5b4 \ubd24\ub294\ub370 \uc8fc\uc18c\uac12\uc774 \ubc14\ub00c\uc9c4 \uc54a\ub294\uad70\uc694!<\/pre>\n\n\n\n<p><br>\uac12 \ud0c0\uc785\uc758 \ubcc0\uc218\ub97c \ud568\uc218 \ud30c\ub77c\ubbf8\ud130\ub85c \ub118\uae38 \ub54c \ucc38\uc870\ub85c \ub118\uae38 \uc218 \uc788\ub294 \ud0a4\uc6cc\ub4dc, inout<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">func swapTwoValues&lt;T>(_ a: inout T, _ b: inout T) {\n    let temporaryA = a\n    a = b\n    b = temporaryA\n}\nvar someInt = 3\nvar anotherInt = 107\nswapTwoValues(&amp;someInt, &amp;anotherInt)\n\n\/\/\uc5c4\uccad\ub09c \ud06c\uae30\uc758 Array(\uac12\ud0c0\uc785)\ub97c \ud568\uc218 \ud30c\ub77c\ubbf8\ud130\ub85c \ub118\uae38 \ub54c \ucc38\uc870\ub85c \ub118\uaca8\uc11c \ubcf5\uc0ac\ub97c \ubc29\uc9c0\ud568\nfunc calcSomething(_ array: inout [Int]) {\n    array.remove(at: 10)\n}\nvar array = [Int]()\nfor i in 0 ..&lt; 10000000 {\n    array.append(i)\n}\ncalcSomething(&amp;array)<\/pre>\n\n\n\n<p>The Swift Programming Language (Swift 5.1) \ucc38\uc870\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ucc38\uc870(Reference) \ud0c0\uc785: \ud074\ub798\uc2a4, \ud568\uc218(\uac1d\uccb4), \ud074\ub85c\uc800\ub098\uba38\uc9c0 \ubaa8\ub450 \uac12(Value) \ud0c0\uc785 \uad6c\uc870\uccb4\ub294 \uac12 \ud0c0\uc785\uc774\uae30 \ub54c\ubb38\uc5d0 \uad6c\uc870\uccb4 \uba54\uc18c\ub4dc \ub0b4\uc5d0\uc11c \ud504\ub85c\ud37c\ud2f0\ub97c \uc218\uc815\ud560 \uc218 \uc5c6\uc74c\uba54\uc18c\ub4dc \ub0b4\uc5d0\uc11c \ud504\ub85c\ud37c\ud2f0 \uc218\uc815\ud558\ub824\uba74 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[27,17,28,26,29,21,30,31],"class_list":["post-128","post","type-post","status-publish","format-standard","hentry","category-swift","tag-reference","tag-swift","tag-type","tag-value","tag-29","tag-21","tag-30","tag-31"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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