{"id":458,"date":"2020-09-04T10:20:05","date_gmt":"2020-09-04T01:20:05","guid":{"rendered":"https:\/\/naoya-ono.com\/swift\/?p=458"},"modified":"2020-09-04T10:20:05","modified_gmt":"2020-09-04T01:20:05","slug":"swift-closure","status":"publish","type":"post","link":"https:\/\/naoya-ono.com\/swift\/swift-closure\/","title":{"rendered":"\u3010Swift\u3011\u30af\u30ed\u30fc\u30b8\u30e3\uff08closure\uff09\u3063\u3066\u4f55\uff1f"},"content":{"rendered":"<p>\u30af\u30ed\u30fc\u30b8\u30e3\u306f<strong>\u518d\u5229\u7528\u53ef\u80fd\u306a\u307e\u3068\u307e\u3063\u305f\u51e6\u7406<\/strong>\u306e\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u3088\u3046\u306a\u3082\u306e\u306b\u95a2\u6570\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u95a2\u6570\u3068\u306f\u9055\u3044\u3001\u95a2\u6570\u540d\uff08func \u301c\uff09\u304c\u306a\u304b\u3063\u305f\u308a\u3001\u8272\u3005\u7701\u7565\u3067\u304d\u308b\u3082\u306e\u304c\u3042\u3063\u305f\u308a\u3068\u95a2\u6570\u3088\u308a\u3082\u624b\u8efd\u306b\u4f7f\u3048\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<h2 class=\"hh hh5 pastel-bc\" id=\"i-0\">\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u66f8\u304d\u65b9<\/h2>\n<p>\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u95a2\u6570\u3068\u540c\u3058\u3088\u3046\u306b\u300c{&nbsp; &nbsp;}\u300d\u3067\u56f2\u307f\u3001\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code>{ (\u5f15\u6570\uff1a\u5f15\u6570\u306e\u578b) -&gt; \u623b\u308a\u5024\u306e\u578b in \n    \/\/ \u51e6\u7406\n}<\/code><\/pre>\n<\/div>\n<p>\u4e0a\u8a18\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u3057\u305f\u304c\u3063\u3066\u3001\u5024\u3092\u534a\u5206\u306b\u3059\u308b\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u3092\u66f8\u304f\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code>let half = { (x: Float) -&gt; Float in\n   return x \/2\n}\n\nhalf(10)  \/\/ \u7d50\u679c\uff1a5.0<\/code><\/pre>\n<\/div>\n<p>\u3061\u306a\u307f\u306b\u3001\u4e0a\u8a18\u306e\u4f8b\u306e\u3088\u3046\u306b\u30af\u30ed\u30fc\u30b8\u30e3\u5185\u306e\u6587\u304c\uff11\u3064\u306e\u6642\u306f\u300creturn\u300d\u3092\u7701\u7565\u3057\u3066\u66f8\u304f\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><script src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\" async><\/script><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-4166043434922569\" data-ad-slot=\"7750996733\"><\/ins><br \/>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<h2 class=\"hh hh5 pastel-bc\" id=\"i-1\">\u578b\u306e\u7701\u7565<\/h2>\n<p>\u5148\u307b\u3069\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u3057\u305f\u304c\u3063\u3066\u3001\u300c\u5f15\u6570\u300d\u3084\u300c\u623b\u308a\u5024\u300d\u304c\u306a\u3044\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code>let showMessage= { () -&gt; Void in\n   print (\"Hello World!\")\n}\n\nshowMessage()  \/\/ Hello World<\/code><\/pre>\n<\/div>\n<p>\u3067\u3059\u304c\u3001\u623b\u308a\u5024\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u300cVoid\u300d\u306e\u4ee3\u308f\u308a\u306b\u300c()\u300d\u3067\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u53ef\u80fd\u306a\u306e\u3067\u3001\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code>let showMessage= { () -&gt; () in\n   print (\"Hello World!\")\n}\n\nshowMessage()  \/\/ Hello World<\/code><\/pre>\n<\/div>\n<p>\u3055\u3089\u306b\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u5f15\u6570\u3068\u623b\u308a\u5024\u306b\u306f\u578b\u63a8\u8ad6\u304c\u50cd\u304f\u306e\u3067\u3001\u4e0a\u8a18\u306e\u51e6\u7406\u306f\u3055\u3089\u306b\u6b21\u306e\u3088\u3046\u306b\u3059\u3063\u304d\u308a\u3068\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code>let showMessage= { print (\"Hello World!\") }\n\nshowMessage()  \/\/ Hello World<\/code><\/pre>\n<\/div>\n<div class=\"memo \">\n<div class=\"memo_ttl dfont\"> \u578b\u63a8\u8ad6\u3068\u306f\uff1f<\/div>\n<p>\u5f15\u6570\u306e\u5024\u304b\u3089\u3001\u305d\u306e\u5024\u304cInt\u578b\u306a\u306e\u304b\u3001String\u578b\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u4ed6\u306e\u578b\u306a\u306e\u304b\u3001Swift\u5074\u3067\u81ea\u52d5\u3067\u5224\u65ad\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<\/div>\n<p>Swift\u5074\u3067\u578b\u304c\u4e88\u6e2c\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u30af\u30ed\u30fc\u30b8\u30e3\u5185\u306e\u578b\u3092\u7701\u7565\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 class=\"hh hh5 pastel-bc\" id=\"i-2\">\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u95a2\u6570\u5185\u306e\u5f15\u6570\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd<\/h2>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-swift\" data-lang=\"Swift\"><code>\/\/\u95a2\u6570\uff08\uff12\u3064\u306e\u5408\u8a08\u5024\u3092\u8868\u793a\uff09\nfunc showTotal(num1:Int, num2:Int, calc:(Int,Int) -&gt; Int){\n  print(calc(num1, num2))\n}\n\n\/\/\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\nshowTotal(num1:40, num2:60, calc:{(x:Int, y:Int) -&gt; Int in x + y})  \/\/ \u7d50\u679c\uff1a\uff1a100<\/code><\/pre>\n<\/div>\n<p>API\u3092\u4f7f\u3046\u5834\u5408\u3001\u95a2\u6570\u306e\u5f15\u6570\u306b\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u3092\u4f7f\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n<div id=\"rinkerid180\" class=\"yyi-rinker-contents  yyi-rinker-postid-180 yyi-rinker-img-m yyi-rinker-catid-5 \">\n<div class=\"yyi-rinker-box\">\n<div class=\"yyi-rinker-image\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-tracking\" data-click-tracking=\"amazon_img 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-click-id=\"amazon_img 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51iY70Z3fKL._SL160_.jpg\" width=\"113\" height=\"160\" class=\"yyi-rinker-main-img\" style=\"border: none;\"><\/a>\t\t\t\t\t<\/div>\n<div class=\"yyi-rinker-info\">\n<div class=\"yyi-rinker-title\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-tracking\" data-click-tracking=\"amazon_title 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"amazon_title 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">\uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus<\/a>\t\t\t\t\t\t\t<\/div>\n<div class=\"yyi-rinker-detail\">\n<div class=\"credit-box\">created by&nbsp;<a href=\"https:\/\/oyakosodate.com\/rinker\/\" rel=\"nofollow noopener\" target=\"_blank\">Rinker<\/a><\/div>\n<div class=\"price-box\">\n\t\t\t\t\t\t\t<\/div>\n<\/p><\/div>\n<ul class=\"yyi-rinker-links\">\n<li class=\"amazonkindlelink\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"amazon_kindle 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"amazon_kindle 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">Kindle<\/a>\t\t\t\t\t<\/li>\n<li class=\"amazonlink\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.amazon.co.jp\/dp\/B086VVQ3DJ?tag=naoya-ono-22&amp;linkCode=ogi&amp;th=1&amp;psc=1\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"amazon 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"amazon 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">Amazon<\/a>\t\t\t\t\t<\/li>\n<li class=\"rakutenlink\">\n\t\t\t\t\t\t<a href=\"https:\/\/hb.afl.rakuten.co.jp\/hgc\/16781883.64066d33.16781884.4f333982\/Rinker_o_20200831130951?pc=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Fswift%2B%25E5%25AE%259F%25E8%25B7%25B5%25E5%2585%25A5%25E9%2596%2580%2F%3Ff%3D1%26grp%3Dproduct&amp;m=https%3A%2F%2Fsearch.rakuten.co.jp%2Fsearch%2Fmall%2Fswift%2B%25E5%25AE%259F%25E8%25B7%25B5%25E5%2585%25A5%25E9%2596%2580%2F%3Ff%3D1%26grp%3Dproduct\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"rakuten 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"rakuten 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">\u697d\u5929\u5e02\u5834<\/a>\t\t\t\t\t<\/li>\n<li class=\"yahoolink\">\n\t\t\t\t\t\t<a href=\"https:\/\/shopping.yahoo.co.jp\/search?p=swift+%E5%AE%9F%E8%B7%B5%E5%85%A5%E9%96%80\" rel=\"nofollow\" class=\"yyi-rinker-link yyi-rinker-tracking\" data-click-tracking=\"yahoo 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\" data-vars-amp-click-id=\"yahoo 180 \uff3b\u5897\u88dc\u6539\u8a02\u7b2c3\u7248\uff3dSwift\u5b9f\u8df5\u5165\u9580 \u2500\u2500 \u76f4\u611f\u7684\u306a\u6587\u6cd5\u3068\u5b89\u5168\u6027\u3092\u517c\u306d\u5099\u3048\u305f\u8a00\u8a9e WEB+DB PRESS plus\">Yahoo\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0<\/a>\t\t\t\t\t<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30af\u30ed\u30fc\u30b8\u30e3\u306f\u518d\u5229\u7528\u53ef\u80fd\u306a\u307e\u3068\u307e\u3063\u305f\u51e6\u7406\u306e\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002 \u540c\u3058\u3088\u3046\u306a\u3082\u306e\u306b\u95a2\u6570\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u95a2\u6570\u3068\u306f\u9055\u3044\u3001\u95a2\u6570\u540d\uff08func \u301c\uff09\u304c\u306a\u304b\u3063\u305f\u308a\u3001\u8272\u3005\u7701\u7565\u3067\u304d\u308b\u3082\u306e\u304c\u3042\u3063\u305f\u308a\u3068\u95a2\u6570\u3088\u308a\u3082\u624b\u8efd\u306b\u4f7f\u3048\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002  &#8230; <\/p>\n","protected":false},"author":1,"featured_media":459,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts\/458"}],"collection":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/comments?post=458"}],"version-history":[{"count":2,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts\/458\/revisions"}],"predecessor-version":[{"id":461,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/posts\/458\/revisions\/461"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/media\/459"}],"wp:attachment":[{"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/media?parent=458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/categories?post=458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/naoya-ono.com\/swift\/wp-json\/wp\/v2\/tags?post=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}