{"id":10735,"date":"2022-09-24T19:45:14","date_gmt":"2022-09-24T14:15:14","guid":{"rendered":"http:\/\/jassweb.com\/solved\/solved-swift-4-array-index-out-of-range\/"},"modified":"2022-09-24T19:45:14","modified_gmt":"2022-09-24T14:15:14","slug":"solved-swift-4-array-index-out-of-range","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-swift-4-array-index-out-of-range\/","title":{"rendered":"[Solved] Swift 4: Array index out of Range"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-47364393\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"47364393\" data-parentid=\"47364319\" data-score=\"2\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>You declared an array of <code>String<\/code><\/p>\n<pre><code>var stringArray = [String]()\n<\/code><\/pre>\n<p>Then you appended <strong>one<\/strong> element<\/p>\n<pre><code>stringArray.append(forss as! String)\n<\/code><\/pre>\n<p>That means only index 0 is valid<\/p>\n<pre><code>stringArray[0]\n<\/code><\/pre>\n<p>and you get an out-of-range error for <\/p>\n<pre><code>stringArray[1]\nstringArray[2]\netc.\n<\/code><\/pre>\n<hr>\n<p>Note: <\/p>\n<p>The question is not particularly related to Swift 4. All versions of Swift exhibit this behavior.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">0<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Swift 4: Array index out of Range <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You declared an array of String var stringArray = [String]() Then you appended one element stringArray.append(forss as! String) That means only index 0 is valid stringArray[0] and you get an out-of-range error for stringArray[1] stringArray[2] etc. Note: The question is not particularly related to Swift 4. All versions of Swift exhibit this behavior. 0 &#8230; <a title=\"[Solved] Swift 4: Array index out of Range\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-swift-4-array-index-out-of-range\/\" aria-label=\"More on [Solved] Swift 4: Array index out of Range\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[522],"class_list":["post-10735","post","type-post","status-publish","format-standard","hentry","category-solved","tag-swift"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Swift 4: Array index out of Range - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-swift-4-array-index-out-of-range\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Swift 4: Array index out of Range - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You declared an array of String var stringArray = [String]() Then you appended one element stringArray.append(forss as! String) That means only index 0 is valid stringArray[0] and you get an out-of-range error for stringArray[1] stringArray[2] etc. Note: The question is not particularly related to Swift 4. All versions of Swift exhibit this behavior. 0 ... 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