{"id":5432,"date":"2021-04-04T23:38:03","date_gmt":"2021-04-04T18:08:03","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=5432"},"modified":"2021-04-04T23:38:11","modified_gmt":"2021-04-04T18:08:11","slug":"struct-another-package-golang","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/struct-another-package-golang\/","title":{"rendered":"How to access the struct from another package 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\/struct-another-package-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\/struct-another-package-golang\/#Program\" title=\"Program\">Program<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview\"><\/span><strong>Overview<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"has-medium-font-size\">The struct name in another package must start with a capital letter so that it is public outside its package. If the struct name starts with lowercase then it will not be visible outside its package.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">To access a struct outside its package we need to import the package first which contains that struct.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Program\"><\/span><strong>Program<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"has-medium-font-size\">Here is the code for the same<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>go.mod<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">module sample.com\/learn\ngo 1.16<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>model\/person.go<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package model\ntype Person struct {\n    Name string\n}<\/code><\/pre>\n\n\n\n<p><strong>main.go<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\nimport (\n    \"fmt\"\n    \"sample.com\/learn\/person\"\n)\nfunc main() {\n    p := &model.Person{\n        Name: \"John\",\n    }\n    fmt.Println(p.Name)\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">In this program, we first import the <strong>model<\/strong> package from the <strong>main<\/strong> package as below.<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">\"sample.com\/learn\/model\"<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">Then we access the <strong>Person<\/strong> struct as below from the <strong>main<\/strong> package<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">p := &model.Person{\n   Name: \"John\",\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">This works because <strong>Person<\/strong> struct name is in uppercase.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Let&#8217;s change the struct name to lower case and run this program. It gives the below compilation error<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-\">cannot refer to unexported name model.person<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\">Also, check out our Golang comprehensive tutorial Series &#8211; <a href=\"https:\/\/golangbyexamples.com\/golang-comprehensive-tutorial\/\">Golang Comprehensive Tutorial<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents OverviewProgram Overview The struct name in another package must start with a capital letter so that it is public outside its package. If the struct name starts with lowercase&#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],"class_list":["post-5432","post","type-post","status-publish","format-standard","hentry","category-tech","tag-go","tag-golang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to access the struct from another package in Go (Golang) - Welcome To Golang By Example<\/title>\n<meta name=\"description\" content=\"In this tutorial we will see how we can access a struct from another package in golang. 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