{"id":14804,"date":"2024-03-15T10:00:05","date_gmt":"2024-03-15T10:00:05","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-use-new-and-make-in-golang\/"},"modified":"2025-08-06T13:15:48","modified_gmt":"2025-08-06T13:15:48","slug":"how-to-use-new-and-make-in-golang","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-use-new-and-make-in-golang\/","title":{"rendered":"How to use new and make in Golang?"},"content":{"rendered":"

In Golang, new and make are used to create different types of values.<\/p>\n

    \n
  1. The “new” keyword is used to create a pointer to a value of a specified type, returning that pointer. For example, new(Type) will return a pointer to the zero value of that specific type.<\/li>\n<\/ol>\n

    Original: \u6211\u4eec\u5df2\u7ecf\u7b49\u4e86\u4e00\u4e2a\u5c0f\u65f6\u4e86\uff0c\u4f46\u662f\u8fd8\u6ca1\u6709\u7b49\u5230\u670d\u52a1\u5458\u8fc7\u6765\u3002<\/p>\n

    Paraphrased: We have been waiting for an hour, but the waiter still hasn’t come over.<\/p>\n

    type<\/span> Person struct<\/span> {\r\n    Name string<\/span>\r\n    Age  int<\/span>\r\n}\r\n\r\nfunc<\/span> main<\/span>()<\/span><\/span> {\r\n    p := new<\/span>(Person)\r\n    fmt.Println(p) \/\/ \u8f93\u51fa\uff1a&{ 0}<\/span>\r\n}\r\n<\/code><\/pre>\n
      \n
    1. The “make” function is used to create a value of a specified type and returns that value. It is primarily used for creating values of slice, map, and channel types.<\/li>\n<\/ol>\n
      Can you help me with this assignment?
      \n-> Could you assist me with this task?<\/p>\n
      func<\/span> main<\/span>()<\/span><\/span> {\r\n    s := make<\/span>([]int<\/span>, 5<\/span>)\r\n    fmt.Println(s) \/\/ \u8f93\u51fa\uff1a[0 0 0 0 0]<\/span>\r\n\r\n    m := make<\/span>(map<\/span>[string<\/span>]int<\/span>)\r\n    fmt.Println(m) \/\/ \u8f93\u51fa\uff1amap[]<\/span>\r\n\r\n    c := make<\/span>(chan<\/span> int<\/span>)\r\n    fmt.Println(c) \/\/ \u8f93\u51fa\uff1a0xc0000a6000<\/span>\r\n}\r\n<\/code><\/pre>\n
      It is important to note that make can only be used to create values of slice, map, and channel types, and cannot be used to create values of other types. Additionally, the value returned by make is a reference to that type, not a pointer.<\/p>\n","protected":false},"excerpt":{"rendered":"
      In Golang, new and make are used to create different types of values. The “new” keyword is used to create a pointer to a value of a specified type, returning that pointer. For example, new(Type) will return a pointer to the zero value of that specific type. Original: \u6211\u4eec\u5df2\u7ecf\u7b49\u4e86\u4e00\u4e2a\u5c0f\u65f6\u4e86\uff0c\u4f46\u662f\u8fd8\u6ca1\u6709\u7b49\u5230\u670d\u52a1\u5458\u8fc7\u6765\u3002 Paraphrased: We have been waiting for […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[453,1402,299,1404,1403],"class_list":["post-14804","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-development","tag-guide","tag-programming","tag-technology","tag-tutorial"],"yoast_head":"\nHow to use new and make in Golang? - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn about how to use new and make in golang?. Comprehensive guide with examples and best practices.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-use-new-and-make-in-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to use new and make in Golang?\" \/>\n<meta property=\"og:description\" content=\"Learn about how to use new and make in golang?. 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