{"id":881,"date":"2021-09-19T12:37:26","date_gmt":"2021-09-19T03:37:26","guid":{"rendered":"https:\/\/swift.tecc0.com\/?p=881"},"modified":"2021-09-19T12:37:26","modified_gmt":"2021-09-19T03:37:26","slug":"post-881","status":"publish","type":"post","link":"https:\/\/swift.tecc0.com\/?p=881","title":{"rendered":"Swift\u3067String, Int\u306e\u578b\u5909\u63db(\u30ad\u30e3\u30b9\u30c8)\u3092\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p><strong>Swift\u3067\u578b\u5909\u63db(\u30ad\u30e3\u30b9\u30c8)<\/strong>\u3092\u3057\u305f\u3044\u6a5f\u4f1a\u306f\u5ea6\u3005\u3067\u3066\u304f\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u4e00\u756a\u826f\u304f\u4f7f\u3046\u3001<strong>String to Int<\/strong>, <strong>Int to String<\/strong>\u306b\u95a2\u3057\u3066\u306e\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h2>\u578b\u5909\u63db\u3001\u30ad\u30e3\u30b9\u30c8\u3059\u308b<\/h2>\n<pre class=\"lang:swift decode:true\">let age1 = 13 \/\/ Int\r\nlet ageStr1 = String(age1) \/\/ String\r\n\r\nlet age2 = \"13\" \/\/ String\r\nlet ageInt2 = Int(age2)! \/\/ Int(String\u304c\u7a7a\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067!\u3092\u4f7f\u3046)<\/pre>\n<p>\u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001String(), Int()\u306e\u4e2d\u306b\u5024\u3092\u5165\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>String, Int\u306eextension\u306b\u8ffd\u52a0\u3059\u308b<\/h2>\n<p>\u3082\u3057\u4e0a\u306e\u66f8\u304d\u65b9\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u66f8\u3051\u306a\u3044\u306a\u3068\u601d\u3046\u4eba\u306f\u3001<strong>String\u3068Int\u306eextension\u306b\u578b\u5909\u63db(\u30ad\u30e3\u30b9\u30c8)\u3092\u751f\u3084\u3057\u3066<\/strong>\u3042\u3052\u3066\u3082\u826f\u3044\u3002<\/p>\n<pre class=\"lang:swift decode:true \">let age3 = 13\r\nlet ageInt3 = age3.toString() \/\/ \"13\"\r\n\r\nlet age4 = \"13\"\r\nlet ageInt4 = age4.toInt() \/\/ 13\r\n\r\nextension Int {\r\n    func toString() -&gt; String {\r\n        String(self)\r\n    }\r\n}\r\n\r\nextension String {\r\n    func toInt() -&gt; Int {\r\n        Int(self)!\r\n    }\r\n}\r\n<\/pre>\n<p>\u3053\u3061\u3089\u306e\u307b\u3046\u304c\u3001\u6d41\u308c\u308b\u3088\u3046\u306b\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u304a\u3059\u3059\u3081\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u4eca\u56de\u306e\u30b3\u30fc\u30c9\u306f\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u3053\u3046\u66f8\u3044\u3066\u3044\u308b\u304c\u3001\u5b9f\u969b\u306b\u4f7f\u3046\u3068\u304d\u306f <code>!<\/code>\u00a0\u306f\u4f7f\u308f\u305a\u3001<code>??<\/code>\u00a0\u3092\u4f7f\u3046\u306a\u3069\u5f37\u5236\u30a2\u30f3\u30e9\u30c3\u30d7\u3092\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3088\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Swift\u3067\u578b\u5909\u63db(\u30ad\u30e3\u30b9\u30c8)\u3092\u3057\u305f\u3044\u6a5f\u4f1a\u306f\u5ea6\u3005\u3067\u3066\u304f\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f\u4e00\u756a\u826f\u304f\u4f7f\u3046\u3001String to Int, Int to String\u306b\u95a2\u3057\u3066\u306e\u65b9\u6cd5\u3067\u3059\u3002 \u578b\u5909\u63db\u3001\u30ad\u30e3\u30b9\u30c8\u3059\u308b let age1 = 13 \/&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/881"}],"collection":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=881"}],"version-history":[{"count":1,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/881\/revisions"}],"predecessor-version":[{"id":882,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/881\/revisions\/882"}],"wp:attachment":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}