{"id":41,"date":"2022-09-02T00:32:33","date_gmt":"2023-07-30T20:40:17","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/go%e8%a8%80%e8%aa%9e%e3%81%a7%e3%81%ae%e3%83%91%e3%83%83%e3%82%b1%e3%83%bc%e3%82%b8%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%9d%e3%83%bc%e3%83%88\/"},"modified":"2025-07-31T13:36:26","modified_gmt":"2025-07-31T04:36:26","slug":"go%e8%a8%80%e8%aa%9e%e3%81%a7%e3%81%ae%e3%83%91%e3%83%83%e3%82%b1%e3%83%bc%e3%82%b8%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%9d%e3%83%bc%e3%83%88","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/go%e8%a8%80%e8%aa%9e%e3%81%a7%e3%81%ae%e3%83%91%e3%83%83%e3%82%b1%e3%83%bc%e3%82%b8%e3%81%ae%e3%82%a4%e3%83%b3%e3%83%9d%e3%83%bc%e3%83%88\/","title":{"rendered":"Go\u8a00\u8a9e\u3067\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30dd\u30fc\u30c8"},"content":{"rendered":"<h3>\u4ee5\u4e0b\u306e\u65e5\u672c\u8a9e\u8a33\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\uff11\u3067\u3059\uff1a<\/h3>\n<p>\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3<\/p>\n<p>\u7570\u306a\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u9593\u3067\u30b3\u30fc\u30c9\u3092\u501f\u308a\u53d7\u3051\u3001\u5171\u6709\u3059\u308b\u80fd\u529b\u306f\u3001\u5e83\u304f\u4f7f\u308f\u308c\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3084\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u5168\u4f53\u306b\u3068\u3063\u3066\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u501f\u308a\u53d7\u3051\u306b\u3088\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u81ea\u5206\u306e\u30cb\u30fc\u30ba\u306b\u7279\u5316\u3057\u305f\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306b\u307b\u3068\u3093\u3069\u306e\u6642\u9593\u3092\u8cbb\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u3057\u3070\u3057\u3070\u65b0\u3057\u3044\u30b3\u30fc\u30c9\u306e\u4e00\u90e8\u304c\u4ed6\u306e\u4eba\u306b\u3068\u3063\u3066\u6709\u7528\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u90e8\u5206\u3092\u307e\u3068\u3081\u3066\u30e6\u30cb\u30c3\u30c8\u3068\u3057\u3066\u7d44\u7e54\u5316\u3057\u3001\u81ea\u3089\u306e\u30c1\u30fc\u30e0\u3084\u5e83\u304f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u5171\u6709\u3059\u308b\u3053\u3068\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Go\u3067\u306f\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u306e\u57fa\u672c\u5358\u4f4d\u306f\u300c\u30d1\u30c3\u30b1\u30fc\u30b8\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u6700\u3082\u5358\u7d14\u306aGo\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3082\u3001\u305d\u308c\u81ea\u4f53\u304c1\u3064\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u3042\u308a\u3001\u304a\u305d\u3089\u304f\u4ed6\u306e\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u30012\u3064\u306e\u5c0f\u3055\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u307e\u3059\u30021\u3064\u306f\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u3092\u751f\u6210\u3057\u3001\u3082\u30461\u3064\u306f\u4eba\u6c17\u306e\u3042\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066UUID\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3001\u540c\u3058\u30d9\u30fc\u30b9\u540d\u3092\u6301\u30642\u3064\u306e\u4f3c\u305f\u3088\u3046\u306a\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u6bd4\u8f03\u3057\u3001\u4e21\u65b9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u4f7f\u7528\u3059\u308b\u3088\u308a\u9577\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304d\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001goimports\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8\u306e\u5f62\u5f0f\u3092\u3069\u306e\u3088\u3046\u306b\u6574\u5f62\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1aGo\u306b\u306f\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u306e\u4e0a\u4f4d\u30ec\u30d9\u30eb\u30e6\u30cb\u30c3\u30c8\u3067\u3042\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3082\u3042\u308a\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u4ed8\u304d\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u5f8c\u306e\u8a18\u4e8b\u300cGo\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4f7f\u7528\u65b9\u6cd5\u300d\u3067\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3064\u3044\u3066\u63a2\u7d22\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u59cb\u3081\u308b\u524d\u306b\u3001Go\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u81ea\u5206\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u3057\u305f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul class=\"post-ul\">\n<li>How To Install Go On Ubuntu 20.04<\/li>\n<li>How To Install Go and Set Up a Local Programming Environment on macOS<\/li>\n<li>How To Install Go and Set Up a Local Programming Environment on Windows 10<\/li>\n<\/ul>\n<h2>\u30b9\u30c6\u30c3\u30d71 \u2014 \u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4f7f\u7528<\/h2>\n<p>\u591a\u304f\u306e\u8a00\u8a9e\u3068\u540c\u69d8\u306b\u3001Go\u306b\u306f\u5171\u901a\u306e\u30bf\u30b9\u30af\u306b\u4f7f\u7528\u3067\u304d\u308b\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u306e\u7d44\u307f\u8fbc\u307f\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u4ed8\u5c5e\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u6587\u5b57\u5217\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3084\u51fa\u529b\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u9001\u4fe1\u306a\u3069\u3092\u884c\u3046\u305f\u3081\u306b\u72ec\u81ea\u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002Go\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u306f\u3001\u3053\u308c\u3089\u306e\u30bf\u30b9\u30af\u3084\u305d\u306e\u4ed6\u591a\u304f\u306e\u30bf\u30b9\u30af\u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u300cGo\u3067\u6700\u521d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u65b9\u6cd5\u300d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306efmt\u3068strings\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u306f\u3001math\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3063\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5b57\u3092\u751f\u6210\u3059\u308b\u5225\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>nano\u307e\u305f\u306f\u304a\u6c17\u306b\u5165\u308a\u306e\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u3001random.go\u3068\u3044\u3046\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">nano<\/span> random.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30bc\u30ed\u304b\u3089\u4e5d\u307e\u3067\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u30925\u3064\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u30a8\u30c7\u30a3\u30bf\u306b\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> main\r\n\r\n<mark><span class=\"token keyword\">import<\/span> <span class=\"token string\">\"math\/rand\"<\/span><\/mark>\r\n\r\n<span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><mark>rand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Intn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306fmath\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001\u305d\u306e\u30d9\u30fc\u30b9\u540d\u3067\u3042\u308b&#8221;rand&#8221;\u3092\u53c2\u7167\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u306e&#8221;rand&#8221;\u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u306e\u5404Go\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u5148\u982d\u306b\u3042\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5ba3\u8a00\u3067\u8868\u793a\u3055\u308c\u308b\u540d\u524d\u3067\u3059\u3002<\/p>\n<p>for\u30eb\u30fc\u30d7\u306e\u5404\u7e70\u308a\u8fd4\u3057\u3067\u3001rand.Intn(10)\u304c\u547c\u3073\u51fa\u3055\u308c\u30010\u304b\u30899\u307e\u3067\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\uff0810\u306f\u542b\u307e\u308c\u306a\u3044\uff09\u304c\u751f\u6210\u3055\u308c\u3001\u305d\u306e\u6574\u6570\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>println()\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u540d\u3092\u53c2\u7167\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3067\u3059\u3002\u901a\u5e38\u3001\u3053\u3053\u3067\u306ffmt\u30d1\u30c3\u30b1\u30fc\u30b8\u306efmt.Println()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306fprintln()\u95a2\u6570\u3092\u7528\u3044\u3066\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3082\u3057nano\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3001CTRL+X\u3092\u62bc\u3057\u3066\u304b\u3089Y\u3068ENTER\u3092\u62bc\u3057\u3066\u5909\u66f4\u3092\u78ba\u5b9a\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>go run random.go\r\n<\/code><\/pre>\n<p>0\u304b\u30899\u307e\u3067\u306e\u6574\u6570\u30925\u3064\u898b\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>1 7 7 9 1<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u751f\u6210\u5668\u306f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u3068\u3001\u6bce\u56de\u540c\u3058\u6570\u5b57\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u671f\u5f85\u3055\u308c\u308b\u306e\u306b\u3001\u3053\u308c\u306f\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u751f\u6210\u5668\u3092\u56fa\u6709\u306e\u5024\u3067\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306brand.Seed()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3055\u306a\u304b\u3063\u305f\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u3092\u884c\u308f\u306a\u3044\u5834\u5408\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306frand.Seed(1)\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u304b\u306e\u3088\u3046\u306b\u632f\u308b\u821e\u3044\u3001\u6bce\u56de\u540c\u3058\u300c\u30e9\u30f3\u30c0\u30e0\u300d\u306a\u6570\u5024\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\u6bce\u56de\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5b9f\u884c\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u6570\u5024\u751f\u6210\u5668\u306b\u4e00\u610f\u306e\u5024\u3092\u30b7\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306f\u3057\u3070\u3057\u3070\u73fe\u5728\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\uff08\u30ca\u30ce\u79d2\u5358\u4f4d\uff09\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305d\u308c\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u3001time\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5fc5\u8981\u3067\u3059\u3002\u518d\u5ea6\u30a8\u30c7\u30a3\u30bf\u3067random.go\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> main\r\n\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">(<\/span>\r\n\t<span class=\"token string\">\"math\/rand\"<\/span>\r\n\t<mark><span class=\"token string\">\"time\"<\/span><\/mark>\r\n<span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<mark>now <span class=\"token operator\">:=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/mark>\r\n\t<mark>rand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Seed<\/span><span class=\"token punctuation\">(<\/span>now<span class=\"token punctuation\">.<\/span><span class=\"token function\">UnixNano<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/mark>\r\n<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Numbers seeded using current date\/time:\"<\/span><span class=\"token punctuation\">,<\/span> <mark>now<span class=\"token punctuation\">.<\/span><span class=\"token function\">UnixNano<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>rand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Intn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u8907\u6570\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u969b\u3001\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8\u306e\u30d6\u30ed\u30c3\u30af\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u884c\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u7e70\u308a\u8fd4\u3055\u305a\u306b\u6e08\u3080\u305f\u3081\u3001\u30b3\u30fc\u30c9\u304c\u3088\u308a\u6e05\u6f54\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001time.Now()\u95a2\u6570\u3092\u4f7f\u3063\u3066\u73fe\u5728\u306e\u30b7\u30b9\u30c6\u30e0\u6642\u523b\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Time\u69cb\u9020\u4f53\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u6b21\u306b\u3001\u305d\u306e\u6642\u523b\u3092rand.Seed()\u95a2\u6570\u306b\u6e21\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f64\u30d3\u30c3\u30c8\u6574\u6570\uff08int64\uff09\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u3001now\u69cb\u9020\u4f53\u306eTime.UnixNano()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u6642\u9593\u3092\u30ca\u30ce\u79d2\u5358\u4f4d\u3067\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u751f\u6210\u5668\u306e\u30b7\u30fc\u30c9\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u6642\u523b\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4fdd\u5b58\u3057\u3066\u518d\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002 (Ima, puroguramu o hozon shite saijikk\u014d shite kudasai.)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go run random.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Numbers seeded using current date\/time: 1674489465616954000 2 6 3 1 0<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8907\u6570\u56de\u5b9f\u884c\u3059\u308b\u3068\u3001\u6bce\u56de\u7570\u306a\u308b\u6574\u6570\u304c\u8868\u793a\u3055\u308c\u3001\u30e9\u30f3\u30c0\u30e0\u306a\u6570\u5024\u751f\u6210\u5668\u306e\u30b7\u30fc\u30c9\u306b\u4f7f\u7528\u3055\u308c\u308b\u4e00\u610f\u306e\u6574\u6570\u3082\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3082\u3046\u4e00\u5ea6\u7de8\u96c6\u3057\u3066\u3001\u30b7\u30fc\u30c9\u306e\u6642\u9593\u3092\u4f7f\u3044\u3084\u3059\u3044\u5f62\u5f0f\u3067\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u6700\u521d\u306eprintln()\u547c\u3073\u51fa\u3057\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7de8\u96c6\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Numbers seeded using current date\/time:\"<\/span><span class=\"token punctuation\">,<\/span> <mark>now<span class=\"token punctuation\">.<\/span><span class=\"token function\">Format<\/span><span class=\"token punctuation\">(<\/span>time<span class=\"token punctuation\">.<\/span>StampNano<span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4eca\u3001\u3042\u306a\u305f\u306fTime.Format\uff08\uff09\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3001time\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u591a\u304f\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e1\u3064\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\u3002 time.StampNano\u5b9a\u6570\uff08const\uff09\u306f\u6587\u5b57\u5217\u3067\u3042\u308a\u3001\u305d\u308c\u3092Time.Format\uff08\uff09\u306b\u6e21\u3059\u3053\u3068\u3067\u3001\u6708\u3001\u65e5\u3001\u304a\u3088\u3073\u30ca\u30ce\u79d2\u307e\u3067\u306e\u6642\u9593\u3092\u5370\u5237\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4fdd\u5b58\u3057\u3066\u5b9f\u884c\u3059\u308b\u3082\u3046\u4e00\u56de\u306e\u6642\u9593\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">go<\/span> run random<span class=\"token punctuation\">.<\/span><span class=\"token keyword\">go<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Numbers seeded using current date\/time: Jan 23 10:01:50.721413000 7 6 3 7 3<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>January 1, 1970\u304b\u3089\u7d4c\u904e\u3057\u305f\u30ca\u30ce\u79d2\u306e\u6570\u3092\u8868\u3059\u5de8\u5927\u306a\u6574\u6570\u3092\u898b\u308b\u3088\u308a\u3082\u3001\u305d\u308c\u306f\u3088\u308a\u7d20\u6575\u3067\u3059\u3002<\/p>\n<p>\u3082\u3057\u3082\u3042\u306a\u305f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3067\u306f\u306a\u304f\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u5168\u4f53\u3067\u30c7\u30fc\u30bf\u306e\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u308bUUID\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002Go\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u306f\u305d\u306e\u3088\u3046\u306a\u751f\u6210\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u306f\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002\u3067\u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d7\uff12\uff1a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>UUID\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306e\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u306e1\u3064\u306fgithub.com\/google\/uuid\u3067\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u5e38\u306b\u5b8c\u5168\u4fee\u98fe\u540d\u3067\u8a8d\u8b58\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5b8c\u5168\u4fee\u98fe\u540d\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3092\u30db\u30b9\u30c8\u3059\u308b\u30b5\u30a4\u30c8\uff08\u4f8b\uff1agithub.com\uff09\u3001\u305d\u308c\u3092\u958b\u767a\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u307e\u305f\u306f\u7d44\u7e54\uff08\u4f8b\uff1agoogle\uff09\u3001\u305d\u3057\u3066\u57fa\u672c\u540d\uff08\u4f8b\uff1auuid\uff09\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u969b\u3001pkg.go.dev\u3067\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u3080\u969b\u3001\u304a\u3088\u3073\u4ed6\u306e\u5834\u6240\u3067\u3001\u305d\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5b8c\u5168\u4fee\u98fe\u540d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b3\u30fc\u30c9\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u305d\u308c\u3092\u53c2\u7167\u3059\u308b\u969b\u306b\u306f\u3001\u57fa\u672c\u540d\u306e\u307f\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u524d\u306b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4f9d\u5b58\u95a2\u4fc2\u3068\u305d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306bGo\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u521d\u671f\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306b\u306f\u3001go mod init \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u81ea\u5206\u81ea\u8eab\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5b8c\u5168\u4fee\u98fe\u540d\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u81ea\u5206\u306eGitHub\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u304c\u300csammy\u300d\u3067\u3042\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u521d\u671f\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go mod init github.com\/sammy\/random<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u3063\u3066go.mod\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3067\u306f\u3001\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> go.mod<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>module github.com\/sammy\/random go <mark>1.19<\/mark><\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001Go\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u914d\u5e03\u3055\u308c\u308b\u4efb\u610f\u306eGo\u30ea\u30dd\u30b8\u30c8\u30ea\u306e\u30eb\u30fc\u30c8\u306b\u8868\u793a\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5c11\u306a\u304f\u3068\u3082\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u540d\u524d\u3068\u5fc5\u8981\u306aGo\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3054\u81ea\u8eab\u306eGo\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u4e0a\u8a18\u306b\u8868\u793a\u3055\u308c\u308b\u3082\u306e\u3068\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u914d\u5e03\u306f\u884c\u3044\u307e\u305b\u3093\u304c\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u4f7f\u7528\u3059\u308b\u306b\u306f\u3053\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u4eca\u306f\u3001go get\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306eUUID\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go get github.com\/google\/uuid<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u3063\u3066\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>go: downloading github.com\/google\/uuid v1.3.0 go: added github.com\/google\/uuid v1.3.0<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e$GOPATH\/pkg\/mod\/\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002\u30b7\u30a7\u30eb\u3067$GOPATH\u304c\u660e\u793a\u7684\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5024\u306f$HOME\/go\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30ed\u30fc\u30ab\u30eb\u30e6\u30fc\u30b6\u30fc\u304csammy\u3067macOS\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\/Users\/sammy\/go\/pkg\/mod\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u304cGo\u306b\u914d\u7f6e\u3055\u308c\u308b\u5834\u6240\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001go env GOMODCACHE\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044\u4f9d\u5b58\u95a2\u4fc2\u306ego.mod\u30d5\u30a1\u30a4\u30eb\u3092\u8868\u793a\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> <mark>\/Users\/sammy\/go<\/mark>\/pkg\/mod\/github.com\/google\/uuid@v1.3.0\/go.mod<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>module github.com\/google\/uuid<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u4f9d\u5b58\u95a2\u4fc2\u304c\u306a\u3044\u3088\u3046\u3067\u3059\u3002Go\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u307f\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u305d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u540d\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u540c\u3058\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u8907\u6570\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30921\u3064\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u307e\u305f\u306f\u7570\u306a\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u9593\u3067\u958b\u767a\u304a\u3088\u3073\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u81ea\u5206\u81ea\u8eab\u306ego.mod\u30d5\u30a1\u30a4\u30eb\u3092\u3082\u3046\u4e00\u5ea6\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">cat<\/span> go.mod<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>module github.com\/sammy\/random go 1.19 require github.com\/google\/uuid v1.3.0 \/\/ indirect<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u3042\u308bgo.mod\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u77e5\u3057\u305fgo get\u30b3\u30de\u30f3\u30c9\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u65b0\u3057\u3044\u4f9d\u5b58\u95a2\u4fc2\uff08\u30d0\u30fc\u30b8\u30e7\u30f3\u3082\u542b\u3080\uff09\u3092\u53cd\u6620\u3059\u308b\u305f\u3081\u306b\u305d\u308c\u3092\u66f4\u65b0\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3067uuid.go\u3068\u3044\u3046\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> main\r\n\r\n<mark><span class=\"token keyword\">import<\/span> <span class=\"token string\">\"github.com\/google\/uuid\"<\/span><\/mark>\r\n\r\n<span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><mark>uuid<span class=\"token punctuation\">.<\/span><span class=\"token function\">New<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001random.go\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001math\/rand\u3092\u4f7f\u7528\u3057\u30665\u3064\u306e\u6574\u6570\u3092\u5370\u5237\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001github.com\/google\/uuid\u3092\u4f7f\u7528\u3057\u30665\u3064\u306eUUID\u3092\u5370\u5237\u3057\u307e\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go run uuid.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u51fa\u529b\u306f\u3053\u306e\u3088\u3046\u306b\u4f3c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>243811a3-ddc6-4e26-9649-060622bba2b0 b8129aa1-3803-4dae-bd9f-6ba8817f44b2 3ae27c71-caa8-4eaa-b8e6-e629b7c1cb49 37e06706-004d-4504-ad37-03c68252bb0f a2da6904-a6ab-4cc2-849b-d9d25a86e373<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>github.com\/google\/uuid\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001random.go\u3067\u4f7f\u7528\u3057\u305fmath\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u4f3c\u3066\u3044\u307e\u3059\u304c\u7570\u306a\u308bcrypto\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u308c\u3089\u306eUUID\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3082\u3057\u3082\u4e21\u65b9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f\u4e21\u65b9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306fbase name\u304crand\u3068\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u5185\u3067\u305d\u308c\u305e\u308c\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u53c2\u7167\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u826f\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u305d\u308c\u306b\u3064\u3044\u3066\u6b21\u306b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d73 &#8211; \u540c\u3058\u540d\u524d\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30dd\u30fc\u30c8<\/h2>\n<p>math\/rand\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u3088\u308c\u3070\u3001\u5b9f\u969b\u306b\u64ec\u4f3c\u4e71\u6570\u3092\u751f\u6210\u3057\u3001&#8221;\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u4fc2\u3059\u308b\u4f5c\u696d\u306b\u306f\u9069\u3057\u3066\u3044\u306a\u3044&#8221;\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u4f5c\u696d\u306b\u306f\u3001\u4ee3\u308f\u308a\u306bcrypto\/rand\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3082\u3057\u6574\u6570\u306e\u4e71\u6570\u306e\u54c1\u8cea\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f\u3082\u3057\u304b\u3057\u305f\u3089\u3001\u5358\u306b\u4efb\u610f\u306e\u6570\u5024\u304c\u5fc5\u8981\u306a\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u30892\u3064\u306erand\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u306frand\u3068\u3044\u3046\u540d\u524d\u3067\u4e21\u65b9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001Go\u3067\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u969b\u306b\u4ee3\u66ff\u306e\u30ed\u30fc\u30ab\u30eb\u540d\u3092\u9078\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u540c\u3058\u57fa\u672c\u540d\u3092\u6301\u30642\u3064\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">(<\/span>\r\n    \u201cmath<span class=\"token operator\">\/<\/span>rand\u201d\r\n    <mark>crand<\/mark> \u201ccrypto<span class=\"token operator\">\/<\/span>rand\u201d\r\n<span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u597d\u304d\u306a\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u9078\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u4ed6\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u540d\u3068\u91cd\u8907\u3057\u3066\u3044\u306a\u3044\u9650\u308a\uff09\u3001\u305d\u3057\u3066\u305d\u308c\u3092\u5b8c\u5168\u4fee\u98fe\u30d1\u30c3\u30b1\u30fc\u30b8\u540d\u306e\u5de6\u5074\u306b\u914d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u5834\u5408\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u306fcrand\u3067\u3059\u3002\u30a8\u30a4\u30ea\u30a2\u30b9\u306b\u306f\u5f15\u7528\u7b26\u306f\u3064\u304d\u307e\u305b\u3093\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u30d6\u30ed\u30c3\u30af\u3092\u542b\u3080\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u6b8b\u308a\u306e\u90e8\u5206\u3067\u306f\u3001\u9078\u3093\u3060\u540d\u524d\u3067crypto\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u81ea\u5206\u81ea\u8eab\u306e\u540d\u524d\u7a7a\u9593\u306b\u3082\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u53d6\u308a\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u5225\u540d\u3068\u3057\u3066`.`\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u5225\u540d\u306a\u3057\u3067`_`\u3092\u4f7f\u7528\u3059\u308b\u304b\uff09\u3002\u8a73\u3057\u304f\u306f\u3001Go\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u540c\u3058\u540d\u524d\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3059\u308b\u305f\u3081\u306b\u3001\u4e21\u65b9\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3092\u751f\u6210\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u5834\u5408\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u9577\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u30d1\u30fc\u30c8\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u8208\u5473\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u30b9\u30c6\u30c3\u30d74\u306b\u9032\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>math\/rand\u3068crypto\/rand\u3092\u6bd4\u8f03\u3059\u308b\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/h3>\n<h4>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u53d6\u5f97\u3059\u308b<\/h4>\n<p>\u4f5c\u696d\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bcompare.go\u3068\u3044\u3046\u540d\u524d\u306e3\u3064\u76ee\u306e\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> main\r\n\r\n<span class=\"token keyword\">import<\/span> <span class=\"token string\">\"os\"<\/span>\r\n<span class=\"token keyword\">import<\/span> <span class=\"token string\">\"strconv\"<\/span>\r\n\r\n<span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token comment\">\/\/ User must pass in number of integers to generate<\/span>\r\n\t<span class=\"token keyword\">if<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>Args<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">2<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Usage:\\n\"<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"  go run compare.go &lt;numberOfInts&gt;\"<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t<span class=\"token keyword\">return<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\tn<span class=\"token punctuation\">,<\/span> err <span class=\"token operator\">:=<\/span> strconv<span class=\"token punctuation\">.<\/span><span class=\"token function\">Atoi<\/span><span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>Args<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token keyword\">if<\/span> err <span class=\"token operator\">!=<\/span> <span class=\"token boolean\">nil<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/\/ Maybe they didn't pass an integer<\/span>\r\n\t\t<span class=\"token function\">panic<\/span><span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span> \r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"User asked for \"<\/span> <span class=\"token operator\">+<\/span> strconv<span class=\"token punctuation\">.<\/span><span class=\"token function\">Itoa<\/span><span class=\"token punctuation\">(<\/span>n<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">+<\/span> <span class=\"token string\">\" integers.\"<\/span><span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5f8c\u3067rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u304c\u4e0e\u3048\u305f\u6570\u3060\u3051\u7591\u4f3c\u4e71\u6570\u306e\u6574\u6570\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u6e96\u5099\u3057\u307e\u3059\u3002os\u304a\u3088\u3073strconv\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3001\u5358\u4e00\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u6574\u6570\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u5f15\u6570\u304c\u6e21\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u4f7f\u7528\u65b9\u6cd5\u306e\u6587\u3092\u8868\u793a\u3057\u3066\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3001\u5f15\u6570\u3068\u3057\u306610\u3092\u8a2d\u5b9a\u3057\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go run compare.go <span class=\"token number\">10<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code>[seconary_label Output]\r\nUser asked for 10 integers.\r\n<\/code><\/pre>\n<p>\u4eca\u306e\u3068\u3053\u308d\u3001\u9806\u8abf\u3067\u3059\u3002\u3055\u3066\u3001\u524d\u3068\u540c\u3058\u3088\u3046\u306bmath\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3092\u751f\u6210\u3057\u307e\u3057\u3087\u3046\u304c\u3001\u4eca\u56de\u306f\u305d\u308c\u3092\u884c\u3046\u306e\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<h4>\u30d5\u30a7\u30fc\u30ba1\uff1a\u6570\u5b66\/\u4e71\u6570\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6e2c\u5b9a<\/h4>\n<p>\u6700\u5f8c\u306eprintln()\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u524a\u9664\u3057\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u3068\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"token comment\">\/\/ Phase 1 \u2014 Using math\/rand<\/span>\r\n\t<span class=\"token comment\">\/\/ Initialize the byte slice<\/span>\r\n\tb1 <span class=\"token operator\">:=<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">byte<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Get the time<\/span>\r\n\tstart <span class=\"token operator\">:=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Initialize the random number generator<\/span>\r\n\trand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Seed<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">.<\/span><span class=\"token function\">UnixNano<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Generate the pseudo-random numbers<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\tb1<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">byte<\/span><span class=\"token punctuation\">(<\/span><mark>rand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Intn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">256<\/span><span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ Where the magic happens!<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token comment\">\/\/ Compute the elapsed time<\/span>\r\n\telapsed <span class=\"token operator\">:=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Sub<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ In case n is very large, only print a few numbers<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>b1<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\tfmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Time to generate %v pseudo-random numbers with math\/rand: %v\\n\"<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">,<\/span> elapsed<span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u521d\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u8981\u6c42\u3057\u305f\u6574\u6570\u306e\u6570\u306b\u57fa\u3065\u3044\u3066\u3001\u751f\u6210\u3055\u308c\u305f\u6574\u6570\uff08\u30d0\u30a4\u30c8\u3068\u3057\u3066\uff09\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306b\u3001make()\u3068\u3044\u3046\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u7a7a\u306e\u30d0\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9([]byte)\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u73fe\u5728\u306e\u6642\u523b\u3092\u53d6\u5f97\u3057\u3001\u305d\u308c\u3092\u30e9\u30f3\u30c0\u30e0\u6570\u751f\u6210\u5668\u306e\u30b7\u30fc\u30c9\u3068\u3057\u3066\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002Step 1 \u306e random.go \u3068\u540c\u69d8\u306b\u884c\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u306d\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u30010\u304b\u3089255\u307e\u3067\u306en\u500b\u306e\u7591\u4f3c\u4e71\u6570\u306e\u6574\u6570\u3092\u751f\u6210\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u30d0\u30a4\u30c8\u306b\u5909\u63db\u3057\u3066\u30d0\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002 \u306a\u305c0\u304b\u3089255\u306e\u6574\u6570\u3092\u4f7f\u3046\u306e\u304b\u3068\u3044\u3046\u3068\u3001\u66f8\u304d\u63db\u3048\u3088\u3046\u306e\u3042\u308b\u6697\u53f7\/\u4e71\u6570\u751f\u6210\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6574\u6570\u3067\u306f\u306a\u304f\u30d0\u30a4\u30c8\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u540c\u7b49\u306b\u6bd4\u8f03\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002 \u30d0\u30a4\u30c8\u306f8\u30d3\u30c3\u30c8\u3067\u3042\u308a\u30010\u304b\u3089255\u306e\u7bc4\u56f2\u306e\u7b26\u53f7\u306a\u3057\u6574\u6570\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff08\u5b9f\u969b\u306b\u306f\u3001Go\u306e\u30d0\u30a4\u30c8\u578b\u306fuint8\u578b\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3067\u3059\uff09\u3002<\/p>\n<p>\u6700\u7d42\u7684\u306b\u3001\u3082\u3057\u30e6\u30fc\u30b6\u30fc\u304c\u975e\u5e38\u306b\u5927\u91cf\u306e\u6574\u6570\u3092\u8981\u6c42\u3057\u305f\u5834\u5408\u3001\u6700\u521d\u306e5\u30d0\u30a4\u30c8\u306e\u307f\u304c\u5370\u5237\u3055\u308c\u307e\u3059\u3002\u4e00\u90e8\u306e\u6574\u6570\u3092\u898b\u308b\u3053\u3068\u3067\u3001\u6570\u5024\u751f\u6210\u5668\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u306e\u306f\u826f\u3044\u3067\u3059\u306d\u3002<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u65b0\u3057\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u30d6\u30ed\u30c3\u30af\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">(<\/span>\r\n\t<mark><span class=\"token string\">\"fmt\"<\/span><\/mark>\r\n\t<mark><span class=\"token string\">\"math\/rand\"<\/span><\/mark>\r\n\t<span class=\"token string\">\"os\"<\/span>\r\n\t<span class=\"token string\">\"strconv\"<\/span>\r\n\t<mark><span class=\"token string\">\"time\"<\/span><\/mark>\r\n<span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u8ffd\u52a0\u3057\u305f\u5f8c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go run compare.go <span class=\"token number\">10<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>189 203 209 238 235 Time to generate 10 pseudo-random numbers with math\/rand: 33.417\u00b5s<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>0\u304b\u3089255\u307e\u3067\u306e\u9593\u306e10\u500b\u306e\u6574\u6570\u3092\u751f\u6210\u3057\u3001\u305d\u308c\u3089\u3092\u30d0\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u306b\u683c\u7d0d\u3059\u308b\u306e\u306b33.417\u30de\u30a4\u30af\u30ed\u79d2\u304b\u304b\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u304ccrypto\/rand\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6bd4\u8f03\u3057\u3066\u3069\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308b\u304b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>\u30d5\u30a7\u30fc\u30ba2 &#8211; \u6697\u53f7\u5316\uff0f\u4e71\u6570\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a<\/h4>\n<p>\u4ee5\u524d\u306b\u793a\u3055\u308c\u305f\u3088\u3046\u306b\u3001crypto\/rand\u3092\u4f7f\u7528\u3059\u308b\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u524d\u306b\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u30d6\u30ed\u30c3\u30af\u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">(<\/span>\r\n\t<span class=\"token string\">\"fmt\"<\/span>\r\n\t<span class=\"token string\">\"math\/rand\"<\/span>\r\n\t<mark>crand <span class=\"token string\">\"crypto\/rand\"<\/span><\/mark>\r\n\t<span class=\"token string\">\"os\"<\/span>\r\n\t<span class=\"token string\">\"strconv\"<\/span>\r\n\t<span class=\"token string\">\"time\"<\/span>\r\n<span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u305d\u308c\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092main()\u95a2\u6570\u306e\u6700\u5f8c\u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code>\t<span class=\"token comment\">\/\/ Phase 2 \u2014 Using crypto\/rand<\/span>\r\n\t<span class=\"token comment\">\/\/ Initialize the byte slice<\/span>\r\n\tb2 <span class=\"token operator\">:=<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">byte<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Get the time (Note: no need to seed the random number generator)<\/span>\r\n\tstart <span class=\"token operator\">=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Generate the pseudo-random numbers<\/span>\r\n\t<span class=\"token boolean\">_<\/span><span class=\"token punctuation\">,<\/span> err <span class=\"token operator\">=<\/span> <mark>crand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span>b2<span class=\"token punctuation\">)<\/span><\/mark> <span class=\"token comment\">\/\/ Where the magic happens!<\/span>\r\n\t<span class=\"token comment\">\/\/ Compute the elapsed time<\/span>\r\n\telapsed <span class=\"token operator\">=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Sub<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ exit if error<\/span>\r\n\t<span class=\"token keyword\">if<\/span> err <span class=\"token operator\">!=<\/span> <span class=\"token boolean\">nil<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">panic<\/span><span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token comment\">\/\/ In case n is very large, only print a few numbers<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>b2<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\tfmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Time to generate %v pseudo-random numbers with crypto\/rand: %v\\n\"<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">,<\/span> elapsed<span class=\"token punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u7b2c1\u30d5\u30a7\u30fc\u30ba\u306e\u30b3\u30fc\u30c9\u3092\u7cbe\u5bc6\u306b\u53cd\u6620\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30a4\u30ban\u306e\u30d0\u30a4\u30c8\u30b9\u30e9\u30a4\u30b9\u3092\u751f\u6210\u3057\u3001\u73fe\u5728\u306e\u6642\u523b\u3092\u53d6\u5f97\u3057\u3001n\u30d0\u30a4\u30c8\u3092\u751f\u6210\u3057\u3001\u7d4c\u904e\u6642\u9593\u3092\u8a08\u7b97\u3057\u3001\u6700\u5f8c\u306b5\u3064\u306e\u6574\u6570\u3068\u7d4c\u904e\u6642\u9593\u3092\u51fa\u529b\u3057\u307e\u3059\u3002crypto\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u969b\u3001\u4e71\u6570\u751f\u6210\u5668\u3092\u660e\u793a\u7684\u306b\u30b7\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<div class=\"post-conf-note\">\n<p class=\"post-conf-desc\">Note<\/p>\n<div>\u6ce8\u610f\uff1acrypto\/rand\u306b\u306fInt()\u95a2\u6570\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u552f\u4e00\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bRead()\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u81ea\u7531\u306bcrypto\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u63a2\u7d22\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n<p>\u3042\u306a\u305f\u306ecompare.go\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token keyword\">package<\/span> main\r\n\r\n<span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">(<\/span>\r\n\t<span class=\"token string\">\"fmt\"<\/span>\r\n\t<mark><span class=\"token string\">\"math\/rand\"<\/span><\/mark>\r\n\t<mark>crand <span class=\"token string\">\"crypto\/rand\"<\/span><\/mark>\r\n\t<span class=\"token string\">\"os\"<\/span>\r\n\t<span class=\"token string\">\"strconv\"<\/span>\r\n\t<span class=\"token string\">\"time\"<\/span>\r\n<span class=\"token punctuation\">)<\/span>\r\n\r\n<span class=\"token keyword\">func<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token comment\">\/\/ User must pass in number of integers to generate<\/span>\r\n\t<span class=\"token keyword\">if<\/span> <span class=\"token function\">len<\/span><span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>Args<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">2<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Usage:\\n\"<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"  go run compare.go &lt;numberOfInts&gt;\"<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t<span class=\"token keyword\">return<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\tn<span class=\"token punctuation\">,<\/span> err <span class=\"token operator\">:=<\/span> strconv<span class=\"token punctuation\">.<\/span><span class=\"token function\">Atoi<\/span><span class=\"token punctuation\">(<\/span>os<span class=\"token punctuation\">.<\/span>Args<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token keyword\">if<\/span> err <span class=\"token operator\">!=<\/span> <span class=\"token boolean\">nil<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token comment\">\/\/ Maybe they didn't pass an integer<\/span>\r\n\t\t<span class=\"token function\">panic<\/span><span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ Phase 1 \u2014 Using math\/rand<\/span>\r\n\t<span class=\"token comment\">\/\/ Initialize the byte slice<\/span>\r\n\tb1 <span class=\"token operator\">:=<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">byte<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Get the time<\/span>\r\n\tstart <span class=\"token operator\">:=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Initialize the random number generator<\/span>\r\n\trand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Seed<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">.<\/span><span class=\"token function\">UnixNano<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Generate the pseudo-random numbers<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\tb1<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> <span class=\"token function\">byte<\/span><span class=\"token punctuation\">(<\/span><mark>rand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Intn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">256<\/span><span class=\"token punctuation\">)<\/span><\/mark><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ Where the magic happens!<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token comment\">\/\/ Compute the elapsed time<\/span>\r\n\telapsed <span class=\"token operator\">:=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Sub<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ In case n is very large, only print a few numbers<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>b1<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\tfmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Time to generate %v pseudo-random numbers with math\/rand: %v\\n\"<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">,<\/span> elapsed<span class=\"token punctuation\">)<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ Phase 2 \u2014 Using crypto\/rand<\/span>\r\n\t<span class=\"token comment\">\/\/ Initialize the byte slice<\/span>\r\n\tb2 <span class=\"token operator\">:=<\/span> <span class=\"token function\">make<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token builtin\">byte<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Get the time (Note: no need to seed the random number generator)<\/span>\r\n\tstart <span class=\"token operator\">=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ Generate the pseudo-random numbers<\/span>\r\n\t<span class=\"token boolean\">_<\/span><span class=\"token punctuation\">,<\/span> err <span class=\"token operator\">=<\/span> <mark>crand<span class=\"token punctuation\">.<\/span><span class=\"token function\">Read<\/span><span class=\"token punctuation\">(<\/span>b2<span class=\"token punctuation\">)<\/span><\/mark> <span class=\"token comment\">\/\/ Where the magic happens!<\/span>\r\n\t<span class=\"token comment\">\/\/ Compute the elapsed time<\/span>\r\n\telapsed <span class=\"token operator\">=<\/span> time<span class=\"token punctuation\">.<\/span><span class=\"token function\">Now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">Sub<\/span><span class=\"token punctuation\">(<\/span>start<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token comment\">\/\/ exit if error<\/span>\r\n\t<span class=\"token keyword\">if<\/span> err <span class=\"token operator\">!=<\/span> <span class=\"token boolean\">nil<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">panic<\/span><span class=\"token punctuation\">(<\/span>err<span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\t<span class=\"token comment\">\/\/ In case n is very large, only print a few numbers<\/span>\r\n\t<span class=\"token keyword\">for<\/span> i <span class=\"token operator\">:=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span> <span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>b2<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\r\n\tfmt<span class=\"token punctuation\">.<\/span><span class=\"token function\">Printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Time to generate %v pseudo-random numbers with crypto\/rand: %v\\n\"<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">,<\/span> elapsed<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5404\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u300110\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6301\u3064\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u300110\u500b\u306e8\u30d3\u30c3\u30c8\u6574\u6570\u3092\u751f\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go run compare.go <span class=\"token number\">10<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>145 65 231 211 250 Time to generate 10 pseudo-random numbers with math\/rand: 32.5\u00b5s 101 188 250 45 208 Time to generate 10 pseudo-random numbers with crypto\/rand: 42.667\u00b5s<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u306e\u5b9f\u884c\u3067\u306f\u3001math\/rand\u30d1\u30c3\u30b1\u30fc\u30b8\u306fcrypto\/rand\u3088\u308a\u3082\u5c11\u3057\u901f\u304b\u3063\u305f\u3067\u3059\u3002compare.go\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc10\u3067\u6570\u56de\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u304b\u3089\u30011000\u500b\u307e\u305f\u306f100\u4e07\u500b\u306e\u6574\u6570\u3092\u751f\u6210\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3069\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u4e00\u8cab\u3057\u3066\u901f\u3044\u3067\u3059\u304b\uff1f<\/p>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u540c\u3058\u540d\u524d\u3067\u4f3c\u305f\u76ee\u7684\u3092\u6301\u30642\u3064\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u3001\u540c\u3058\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\u304b\u3092\u793a\u3059\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u3053\u308c\u3089\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e00\u65b9\u3092\u4ed6\u65b9\u3088\u308a\u3082\u512a\u5148\u3059\u308b\u63a8\u5968\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002compare.go\u3092\u62e1\u5f35\u3057\u305f\u3044\u5834\u5408\u3001\u5404\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u751f\u6210\u3059\u308b\u30d0\u30a4\u30c8\u306e\u30e9\u30f3\u30c0\u30e0\u6027\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306bmath\/stats\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u66f8\u3044\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u3063\u3066\u306f\u3001\u7570\u306a\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u8a55\u4fa1\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u3082\u306e\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001goimports\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066import\u5ba3\u8a00\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d74 \u2014 Goimports\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30d5\u30ed\u30fc\u306b\u6ca1\u982d\u3057\u3066\u3044\u308b\u3068\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u306e\u3092\u5fd8\u308c\u305f\u308a\u3001\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u524a\u9664\u3059\u308b\u306e\u3092\u5fd8\u308c\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002goimports\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306f\u3001import\u5ba3\u8a00\uff08\u3068\u305d\u306e\u4ed6\u306e\u30b3\u30fc\u30c9\uff09\u3092\u6574\u5f62\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001gofmt\u306e\u3088\u308a\u591a\u6a5f\u80fd\u306a\u4ee3\u66ff\u3068\u3057\u3066\u3001\u30b3\u30fc\u30c9\u304c\u53c2\u7167\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e0d\u8db3\u3057\u3066\u3044\u308b\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3082\u884c\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u3053\u306e\u30c4\u30fc\u30eb\u306fGo\u3068\u4e00\u7dd2\u306b\u914d\u9001\u3055\u308c\u307e\u305b\u3093\u306e\u3067\u3001\u4eca\u3059\u3050 go install \u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">go <span class=\"token function\">install<\/span> golang.org\/x\/tools\/cmd\/goimports@latest<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3046\u3068\u3001goimports\u30d0\u30a4\u30ca\u30ea\u304c$GOPATH\/bin\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002\u3082\u3057\u3082\u3042\u306a\u305f\u304cmacOS\u7528\u306eGo\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30ed\u30fc\u30ab\u30eb\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\uff08\u307e\u305f\u306f\u3042\u306a\u305f\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u5bfe\u5fdc\u3057\u305f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\uff09\u3092\u3059\u3067\u306b\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u65e2\u306b$PATH\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">goimports <span class=\"token parameter variable\">&#8211;help<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057\u3082\u30c4\u30fc\u30eb\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u3001$GOPATH\/bin\u304c$PATH\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u304a\u4f7f\u3044\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u3057\u305fGo\u74b0\u5883\u306e\u8a2d\u5b9a\u30ac\u30a4\u30c9\u3092\u8aad\u3093\u3067\u3001\u305d\u308c\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>goimports\u3092$PATH\u306b\u8a2d\u5b9a\u3057\u305f\u3089\u3001random.go\u304b\u3089import\u30d6\u30ed\u30c3\u30af\u3092\u3059\u3079\u3066\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001goimports\u3092-d\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3068\u3082\u306b\u5b9f\u884c\u3057\u3066\u8ffd\u52a0\u3059\u308b\u5185\u5bb9\u306e\u5dee\u5206\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">goimports <span class=\"token parameter variable\">-d<\/span> random.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Outputs\">Outputs<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>diff -u random.go.orig random.go &#8212; random.go.orig 2023-01-25 16:29:38 +++ random.go 2023-01-25 16:29:38 @@ -1,5 +1,10 @@ package main +import ( + &#8220;math\/rand&#8221; + &#8220;time&#8221; +) + func main() { now := time.Now() rand.Seed(now.UnixNano())<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3059\u3054\u3044\u3067\u3059\u306d\u3001\u3057\u304b\u3057goimports\u306f\u30ed\u30fc\u30ab\u30eb\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u30d1\u30c3\u30b1\u30fc\u30b8\u3082\u8a8d\u8b58\u3057\u3066\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002uuid.go\u304b\u3089import\u3092\u524a\u9664\u3057\u3001\u305d\u308c\u306b\u5bfe\u3057\u3066goimports\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">goimports <span class=\"token parameter variable\">-d<\/span> uuid.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>diff -u uuid.go.orig uuid.go &#8212; uuid.go.orig 2023-01-25 16:32:56 +++ uuid.go 2023-01-25 16:32:56 @@ -1,8 +1,9 @@ package main +import &#8220;github.com\/google\/uuid&#8221; + func main() { for i := 0; i &lt; 5; i++ { println(uuid.New().String()) } }<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>uuid.go\u3092\u7de8\u96c6\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u4f5c\u696d\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>import\u6587\u306bmath\/rand\u3092\u8ffd\u52a0\u3057\u3001\u30b3\u30fc\u30c9\u306f\u4f7f\u7528\u3057\u306a\u3044\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u7d44\u307f\u8fbc\u307f\u306eprintln()\u95a2\u6570\u3092fmt.Println()\u306b\u5909\u66f4\u3057\u307e\u3059\u304c\u3001import &#8220;fmt&#8221;\u3092\u8ffd\u52a0\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/ol>\n<div>\n<p>uuid.go\u306e\u4ee5\u4e0b\u306e\u90e8\u5206\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>uuid.go\u306e\u30d5\u30a1\u30a4\u30eb<\/p>\n<\/div>\n<pre class=\"post-pre\"><code>package main\r\n\r\n<mark>import \"math\/rand\"<\/mark>\r\n\r\nfunc main() {\r\n\tfor i := 0; i &lt; 5; i++ {\r\n\t\t<mark>fmt.Println<\/mark>(uuid.New().String())\r\n\t}\r\n}\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3001\u518d\u5ea6goimports\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">goimports <span class=\"token parameter variable\">-d<\/span> uuid.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>diff -u uuid.go.orig uuid.go &#8212; uuid.go.orig 2023-01-25 16:36:28 +++ uuid.go 2023-01-25 16:36:28 @@ -1,10 +1,13 @@ package main -import &#8220;math\/rand&#8221; +import ( + &#8220;fmt&#8221; + &#8220;github.com\/google\/uuid&#8221; +) + func main() { for i := 0; i &lt; 5; i++ { fmt.Println(uuid.New().String()) } }<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u4e0d\u8db3\u3057\u3066\u3044\u308b\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4e0d\u8981\u306a\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u524a\u9664\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u5404\u884c\u306bimport\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u304b\u3063\u3053\u5185\u306e\u30d6\u30ed\u30c3\u30af\u306b\u7f6e\u304f\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>uuid.go\uff08\u307e\u305f\u306f\u4efb\u610f\u306e\u30d5\u30a1\u30a4\u30eb\uff09\u3078\u306e\u5909\u66f4\u3092\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u51fa\u529b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001goimports\u30b3\u30de\u30f3\u30c9\u3092-w\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3068\u3082\u306b\u4f7f\u7528\u3057\u3066uuid.go\u306b\u5909\u66f4\u3092\u66f8\u304d\u8fbc\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\">goimports <span class=\"token parameter variable\">-w<\/span> uuid.go<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>*.go 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