{"id":9986,"date":"2022-11-10T19:21:54","date_gmt":"2022-11-10T13:51:54","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=9986"},"modified":"2022-11-10T19:21:58","modified_gmt":"2022-11-10T13:51:58","slug":"convert-an-iota-or-enum-to-a-string-in-go-golang","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/convert-an-iota-or-enum-to-a-string-in-go-golang\/","title":{"rendered":"Convert an IOTA or Enum to a string in Go (Golang)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal ez-toc-light-blue\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/golangbyexamples.com\/convert-an-iota-or-enum-to-a-string-in-go-golang\/#Overview\" title=\"Overview\">Overview<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/golangbyexamples.com\/convert-an-iota-or-enum-to-a-string-in-go-golang\/#Example\" title=\"Example\">Example<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview\"><\/span>Overview<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>Enum in Golang can be created by using IOTA. Please refer to this post to learn more about IOTA<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-welcome-to-golang-by-example wp-block-embed-welcome-to-golang-by-example\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"4y3pVxudgT\"><a href=\"https:\/\/golangbyexamples.com\/iota-in-golang\/\">IOTA in Go (Golang)<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;IOTA in Go (Golang)&#8221; &#8212; Welcome To Golang By Example\" src=\"https:\/\/golangbyexamples.com\/iota-in-golang\/embed\/#?secret=0FEJ5OZNxf#?secret=4y3pVxudgT\" data-secret=\"4y3pVxudgT\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>In this post, we will see how to convert an IOTA or enum to a string value. By default when you will print an IOTA or enum value it will print the integer part of it. See this example. Later we will see an example of we can define a custom <strong>toString <\/strong>method to print the string value of IOTA or enum<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Example\"><\/span>Example<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\n\nimport \"fmt\"\n\ntype Size uint8\n\nconst (\n\tsmall Size = iota\n\tmedium\n\tlarge\n\textraLarge\n)\n\nfunc main() {\n\tfmt.Println(small)\n\tfmt.Println(medium)\n\tfmt.Println(large)\n\tfmt.Println(extraLarge)\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\">0\n1\n2\n3<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">We can also define a method <strong>toString<\/strong> on Size type to print the exact value of enum . See below program<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\nimport \"fmt\"\ntype Size int\nconst (\n    small = Size(iota)\n    medium\n    large\n    extraLarge\n)\nfunc main() {\n    var m Size = 1\n    m.toString()\n}\nfunc (s Size) toString() {\n    switch s {\n    case small:\n        fmt.Println(\"Small\")\n    case medium:\n        fmt.Println(\"Medium\")\n    case large:\n        fmt.Println(\"Large\")\n    case extraLarge:\n        fmt.Println(\"Extra Large\")\n    default:\n        fmt.Println(\"Invalid Size entry\")\n    }\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\">medium<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">We will now define a <strong>toString <\/strong>method for the <strong>Size<\/strong> type. It can be used to the print the string value of the constant of Size type.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents OverviewExample Overview Enum in Golang can be created by using IOTA. Please refer to this post to learn more about IOTA In this post, we will see how to&#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":[],"class_list":["post-9986","post","type-post","status-publish","format-standard","hentry","category-tech"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Convert an IOTA or Enum to a string 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\/convert-an-iota-or-enum-to-a-string-in-go-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convert an IOTA or Enum to a string in Go (Golang) - Welcome To Golang By Example\" \/>\n<meta property=\"og:description\" content=\"Table of Contents OverviewExample Overview Enum in Golang can be created by using IOTA. 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