{"id":4578,"date":"2022-02-11T19:54:08","date_gmt":"2022-02-11T10:54:08","guid":{"rendered":"https:\/\/redwing.moo.jp\/cocoa\/?p=4578"},"modified":"2022-02-12T12:40:17","modified_gmt":"2022-02-12T03:40:17","slug":"swift5-%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e6%a4%9c%e7%b4%a2","status":"publish","type":"post","link":"https:\/\/redwing.moo.jp\/cocoa\/archives\/4578","title":{"rendered":"Swift5 \u3067\u6587\u5b57\u5217\u691c\u7d22"},"content":{"rendered":"\n<p>\u4e45\u3057\u3076\u308a\u306b Swift \u3067\u6587\u5b57\u5217\u691c\u7d22\u51e6\u7406\u3092\u66f8\u3053\u3046\u3068\u3057\u3066\uff64 index(of:) \u3092\u4f7f\u304a\u3046\u3068\u3057\u305f\u3089\uff64\u601d\u3046\u3088\u3046\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u305a\uff64\u30cd\u30c3\u30c8\u3092\u691c\u7d22\u3057\u3066\u3082\u65b0\u65e7\u306e\u60c5\u5831\u304c\u5165\u308a\u4ea4\u3058\u3063\u3066\u3044\u3066\uff64\u3088\u304f\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\uff64\u307e\u3068\u3081\u305f\uff61<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u914d\u5217\u306e\u6700\u521d\u306b\u4e00\u81f4\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3092\u53d6\u5f97\"><strong>\u914d\u5217\u306e\u6700\u521d\u306b\u4e00\u81f4\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3092\u53d6\u5f97<\/strong><\/h2>\n\n\n\n<p><strong>index(of:) \u2192 firstIndex(of:)<\/strong><br>\u30e1\u30bd\u30c3\u30c9\u540d\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u3060\u304c\uff64\u7d50\u679c\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\uff61<br>\u6587\u5b57\u5217\u304b\u3089\u6587\u5b57\u3092\u691c\u7d22\u3057\u3066\uff64\u5358\u7d14\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u304c\u53d6\u5f97\u3057\u305f\u304b\u3063\u305f\u306e\u3060\u304c\uff64\u305d\u3046\u3044\u3046\u3082\u306e\u3067\u306f\u306a\u3044\u3089\u3057\u3044\uff61 &#x1f602;<br>Index \u3068\u304b Range \u3068\u304b\u306e\u610f\u5473\u3092\u6574\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u3066\uff64\u6570\u5206\u3067\u5185\u5bb9\u3092\u7406\u89e3\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\uff61<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6587\u5b57\u5217\u304b\u3089\u6587\u5b57\u3092\u691c\u7d22\u3067\u304d\u308b\u3051\u3069\"><strong>\u6587\u5b57\u5217\u304b\u3089\u6587\u5b57\u3092\u691c\u7d22\u3067\u304d\u308b\u3051\u3069\u2026<\/strong><\/h2>\n\n\n<pre class=\"brush: swift; title: ; notranslate\" title=\"\">\nlet str = &quot;abcabc&quot;\nlet firstIndex = str.firstIndex(of: &quot;c&quot;)\nprint(type(of: firstIndex), firstIndex ?? 0)\n\n\u51fa\u529b\u7d50\u679c :\nOptional Index(_rawBits: 131329)\n<\/pre>\n\n\n\n<p>Index\u578b\u306f\uff64\u6587\u5b57\u5217\u306e\u7bc4\u56f2\u6307\u5b9a\u306b\u4f7f\u7528\u3059\u308b\u3082\u306e\u3089\u3057\u3044\u2026<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6587\u5b57\u5217\u304b\u3089\u6587\u5b57\u3092\u691c\u7d22\u3057\u3066-\u51fa\u73fe\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\"><strong><mark style=\"background-color:#e2e2e2\" class=\"has-inline-color\">\u6587\u5b57\u5217\u304b\u3089\u6587\u5b57\u3092\u691c\u7d22\u3057\u3066\uff64\u51fa\u73fe\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97<\/mark><\/strong><\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u3042\u308c\u3070\uff64\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u304c\u53d6\u5f97\u3067\u304d\u308b\uff61<\/p>\n\n\n<pre class=\"brush: swift; title: ; notranslate\" title=\"\">\nlet str = &quot;abcabc&quot;\nlet indexes = str.enumerated().compactMap { $0.element == &quot;c&quot; ? $0.offset : nil }\nprint(type(of: indexes), indexes)\n\/\/ compactMap \u306f\u914d\u5217\u306e\u30c7\u30fc\u30bf\u304b\u3089 nil \u3092\u53d6\u308a\u9664\u304d\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u95a2\u6570\n\n\u51fa\u529b\u7d50\u679c :\nArray &#x5B;2, 5]\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"nsrange-\u3067\u6587\u5b57\u5217\u4e2d\u3067\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u6700\u521d\u306b\u51fa\u73fe\u3059\u308b\u7bc4\u56f2\u3092\u691c\u7d22\u3057\u3066\u53d6\u5f97\"><strong><mark style=\"background-color:#e2e2e2\" class=\"has-inline-color\">NSRange \u3067\u6587\u5b57\u5217\u4e2d\u3067\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u6700\u521d\u306b\u51fa\u73fe\u3059\u308b\u7bc4\u56f2\u3092\u691c\u7d22\u3057\u3066\u53d6\u5f97<\/mark><\/strong><\/h2>\n\n\n\n<p>NSRange \u3067\u53d6\u5f97\u3059\u308b\u306e\u304c\u4fbf\u5229\u305d\u3046\uff61<\/p>\n\n\n<pre class=\"brush: swift; title: ; notranslate\" title=\"\">\nvar str = &quot;abcdef&quot;\nlet range = NSString(string: str).range(of: &quot;cde&quot;)\nprint(&quot;location:&quot;, range.location, &quot;length:&quot;, range.length)\n\n\u51fa\u529b\u7d50\u679c :\nlocation: 2 length: 3\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u6587\u5b57\u306e\u51fa\u73fe\u56de\u6570\u3092\u6b63\u898f\u8868\u73fe\u3067\u53d6\u5f97\"><strong><mark style=\"background-color:#e2e2e2\" class=\"has-inline-color\">\u6587\u5b57\u306e\u51fa\u73fe\u56de\u6570\u3092\u6b63\u898f\u8868\u73fe\u3067\u53d6\u5f97<\/mark><\/strong><\/h2>\n\n\n\n<p>\u3053\u3061\u3089\u3082\u4fbf\u5229\u3067\u3059\uff61<\/p>\n\n\n<pre class=\"brush: swift; title: ; notranslate\" title=\"\">\nlet string = &quot;abcdefgabcdefg&quot;\nlet pattern = NSRegularExpression.escapedPattern(for: &quot;a&quot;)\nlet regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)\nprint(regex.numberOfMatches(in: string, range: NSRange(0..&lt;string.utf16.count)))\n\n\u51fa\u529b\u7d50\u679c :\n2\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"swift\u306e\u7bc4\u56f2\u306b\u3064\u3044\u3066\u3082\u3088\u304f\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067-\u307e\u3068\u3081\u305f\"><strong>Swift\u306e\u7bc4\u56f2\u306b\u3064\u3044\u3066\u3082\u3088\u304f\u77e5\u3089\u306a\u304b\u3063\u305f\u306e\u3067\uff64\u307e\u3068\u3081\u305f\uff61<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<p>\u3053\u308c\u3060\u3051\u77e5\u3063\u3066\u3044\u308c\u3070\u826f\u3044\u3068\u601d\u3046\uff61<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Range<\/td><td>0..&lt;3<\/td><td>0 ~ 2<\/td><\/tr><tr><td>ClosedRange<\/td><td>0\u20263<\/td><td>0 ~ 3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<pre class=\"brush: swift; title: ; notranslate\" title=\"\">\nlet range1 = 0..&lt;3\nprint(&quot;type: \\(type(of: range1))&quot;)\nprint(&quot;lower:\\(range1.lowerBound) upper:\\(range1.upperBound) count:\\(range1.count)&quot;)\nprint(&quot;range1.contains(0) \\(range1.contains(0))&quot;)\nprint(&quot;range1.contains(1) \\(range1.contains(1))&quot;)\nprint(&quot;range1.contains(2) \\(range1.contains(2))&quot;)\nprint(&quot;range1.contains(3) \\(range1.contains(3))&quot;)\nprint(&quot;range1.contains(4) \\(range1.contains(4))&quot;)\n\n\u51fa\u529b\u7d50\u679c :\ntype: Range&lt;Int&gt;\nlower:0 upper:3 count:3\nrange1.contains(0) true\nrange1.contains(1) true\nrange1.contains(2) true\nrange1.contains(3) false\nrange1.contains(4) false\n<\/pre>\n\n\n<pre class=\"brush: swift; title: ; notranslate\" title=\"\">\nlet range2 = 0...3\nprint(&quot;type: \\(type(of: range2))&quot;)\nprint(&quot;lower:\\(range2.lowerBound) upper:\\(range2.upperBound) count:\\(range2.count)&quot;)\nprint(&quot;range2.contains(0) \\(range2.contains(0))&quot;)\nprint(&quot;range2.contains(1) \\(range2.contains(1))&quot;)\nprint(&quot;range2.contains(2) \\(range2.contains(2))&quot;)\nprint(&quot;range2.contains(3) \\(range2.contains(3))&quot;)\nprint(&quot;range2.contains(4) \\(range2.contains(4))&quot;)\n\n\u51fa\u529b\u7d50\u679c :\ntype: ClosedRange&lt;Int&gt;\nlower:0 upper:3 count:4\nrange2.contains(0) true\nrange2.contains(1) true\nrange2.contains(2) true\nrange2.contains(3) true\nrange2.contains(4) false\n<\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n<a href=\"https:\/\/twitter.com\/redwing1300?ref_src=twsrc%5Etfw\" class=\"twitter-follow-button\" data-size=\"large\" data-show-count=\"false\">Follow @redwing1300<\/a><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content --><div id=\"redwi-4257549426\" class=\"redwi- redwi-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-9652476346722993\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-9652476346722993\" \ndata-ad-slot=\"\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u4e45\u3057\u3076\u308a\u306b Swift \u3067\u6587\u5b57\u5217\u691c\u7d22\u51e6\u7406\u3092\u66f8\u3053\u3046\u3068\u3057\u3066\uff64 index(of:) \u3092\u4f7f\u304a\u3046\u3068\u3057\u305f\u3089\uff64\u601d\u3046\u3088\u3046\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u305a\uff64\u30cd\u30c3\u30c8\u3092\u691c\u7d22\u3057\u3066\u3082\u65b0\u65e7\u306e\u60c5\u5831\u304c\u5165\u308a\u4ea4\u3058\u3063\u3066\u3044\u3066\uff64\u3088\u304f\u5206\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\uff64\u307e\u3068\u3081\u305f\uff61 \u914d\u5217\u306e\u6700\u521d\u306b &hellip; <a href=\"https:\/\/redwing.moo.jp\/cocoa\/archives\/4578\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116],"tags":[],"class_list":["post-4578","post","type-post","status-publish","format-standard","hentry","category-swift"],"_links":{"self":[{"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/posts\/4578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/comments?post=4578"}],"version-history":[{"count":30,"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/posts\/4578\/revisions"}],"predecessor-version":[{"id":4620,"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/posts\/4578\/revisions\/4620"}],"wp:attachment":[{"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/media?parent=4578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/categories?post=4578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/redwing.moo.jp\/cocoa\/wp-json\/wp\/v2\/tags?post=4578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}