{"id":2208,"date":"2020-06-08T23:59:59","date_gmt":"2020-06-08T18:29:59","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=2208"},"modified":"2020-06-09T00:00:09","modified_gmt":"2020-06-08T18:30:09","slug":"length-map-golang","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/length-map-golang\/","title":{"rendered":"Length of a map in Go (Golang)"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">The golang builtin function <strong>len()<\/strong> can be used to get the length of the map which is number of key-value pairs present in the map. Below is the format for using this function on the map.<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-\">len(mapName)<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">Let&#8217;s see a program<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\n\nimport \"fmt\"\n\nfunc main() {\n    \/\/Declare\n    employeeSalary := make(map[string]int)\n\n    \/\/Adding a key value\n    employeeSalary[\"Tom\"] = 2000\n    employeeSalary[\"Sam\"] = 1200\n\n    lenOfMap := len(employeeSalary)\n    fmt.Println(lenOfMap)\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">2<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>The golang builtin function len() can be used to get the length of the map which is number of key-value pairs present in the map. Below is the format for using this&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[1],"tags":[3,4,294,295],"class_list":["post-2208","post","type-post","status-publish","format-standard","hentry","category-tech","tag-go","tag-golang","tag-length","tag-map"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Length of a map in Go (Golang) - Welcome To Golang By Example<\/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:\/\/golangbyexamples.com\/length-map-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Length of a map in Go (Golang) - Welcome To Golang By Example\" \/>\n<meta property=\"og:description\" content=\"The golang builtin function len() can be used to get the length of the map which is number of key-value pairs present in the map. 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