{"id":44006,"date":"2024-01-20T03:25:31","date_gmt":"2023-08-13T11:13:19","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90go%e8%af%ad%e8%a8%80%e3%80%91-%e5%9f%ba%e7%a1%80\/"},"modified":"2024-05-04T19:11:08","modified_gmt":"2024-05-04T11:11:08","slug":"%e3%80%90go%e8%af%ad%e8%a8%80%e3%80%91-%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90go%e8%af%ad%e8%a8%80%e3%80%91-%e5%9f%ba%e7%a1%80\/","title":{"rendered":"\u3010Go\u8bed\u8a00\u3011 \u57fa\u7840"},"content":{"rendered":"<h2>\u53d8\u91cf\u7684\u7701\u7565\u5b9a\u4e49<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ \u578b\u306f\u81ea\u52d5\u3067\u63a8\u6e2c\u3055\u308c\u308b<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">\"John\"<\/span>\r\n\r\n<span class=\"c\">\/\/ \u4ee5\u4e0b\u3068\u540c\u3058<\/span>\r\n<span class=\"k\">var<\/span> <span class=\"n\">name<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"John\"<\/span>\r\n<\/code><\/pre>\n<h2>\u5177\u6709\u540d\u79f0\u7684\u8fd4\u56de\u503c<\/h2>\n<p>\u901a\u8fc7\u5c06\u8fd4\u56de\u503c\u5b9a\u4e49\u4e3a\u53d8\u91cf\uff0c\u53ef\u4ee5\u4ec5\u901a\u8fc7return\u8bed\u53e5\u6765\u8fd4\u56de\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">split<\/span><span class=\"p\">(<\/span><span class=\"n\">sum<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">x<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sum<\/span> <span class=\"o\">*<\/span> <span class=\"m\">4<\/span> <span class=\"o\">\/<\/span> <span class=\"m\">9<\/span>\r\n\t<span class=\"n\">y<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sum<\/span> <span class=\"o\">-<\/span> <span class=\"n\">x<\/span>\r\n\t<span class=\"k\">return<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">swap<\/span><span class=\"p\">(<\/span><span class=\"m\">10<\/span><span class=\"p\">,<\/span> <span class=\"m\">7<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u63a8\u8fdf<\/h2>\n<p>\u5c06\u4f20\u9012\u7ed9defer\u7684\u51fd\u6570\u7684\u6267\u884c\u5ef6\u8fdf\u5230\u8c03\u7528\u8005\u51fd\u6570\u7ed3\u675f\uff08\u8fd4\u56de\uff09\u3002<br \/>\n\u5982\u679c\u6709\u591a\u4e2a\u4f20\u9012\u7ed9defer\u7684\u51fd\u6570\uff0c\u5219\u8fd9\u4e9b\u8c03\u7528\u5c06\u4ee5\u5806\u6808\uff08stack\uff09\u65b9\u5f0f\u5b58\u50a8\u3002\u5f53\u8c03\u7528\u8005\u51fd\u6570\u8fd4\u56de\u65f6\uff0cdefer\u4f20\u9012\u7684\u51fd\u6570\u5c06\u6309\u7167LIFO\uff08\u540e\u8fdb\u5148\u51fa\uff09\u7684\u987a\u5e8f\u6267\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">defer<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"world\"<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"hello\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"c\">\/\/ \u7d50\u679c<\/span>\r\n<span class=\"c\">\/\/ hello<\/span>\r\n<span class=\"c\">\/\/ world<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"counting\"<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">0<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"m\">10<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"k\">defer<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"done\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"c\">\/\/ \u7d50\u679c<\/span>\r\n<span class=\"c\">\/\/ counting<\/span>\r\n<span class=\"c\">\/\/ done<\/span>\r\n<span class=\"c\">\/\/ 9```<\/span>\r\n<span class=\"c\">\/\/ 8<\/span>\r\n<span class=\"c\">\/\/ .<\/span>\r\n<span class=\"c\">\/\/ .<\/span>\r\n<span class=\"c\">\/\/ 0<\/span>\r\n<\/code><\/pre>\n<h2>\u5207\u7247<\/h2>\n<p>\u5207\u7247\u7c7b\u4f3c\u4e8e\u5bf9\u6570\u7ec4\u7684\u5f15\u7528\u3002<br \/>\n\u5207\u7247\u4e0d\u5b58\u50a8\u4efb\u4f55\u6570\u636e\uff0c\u4ec5\u6307\u793a\u539f\u59cb\u6570\u7ec4\u7684\u5b50\u5e8f\u5217\u3002<br \/>\n\u5f53\u4fee\u6539\u5207\u7247\u7684\u5143\u7d20\u65f6\uff0c\u5bf9\u5e94\u7684\u539f\u59cb\u6570\u7ec4\u5143\u7d20\u4e5f\u4f1a\u88ab\u4fee\u6539\u3002<br \/>\n\u5171\u4eab\u540c\u4e00\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5176\u4ed6\u5207\u7247\u5c06\u53cd\u6620\u8fd9\u4e9b\u66f4\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">names<\/span> <span class=\"o\">:=<\/span> <span class=\"p\">[<\/span><span class=\"m\">4<\/span><span class=\"p\">]<\/span><span class=\"kt\">string<\/span><span class=\"p\">{<\/span>\r\n\t\t<span class=\"s\">\"John\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"s\">\"Paul\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"s\">\"George\"<\/span><span class=\"p\">,<\/span>\r\n\t\t<span class=\"s\">\"Ringo\"<\/span><span class=\"p\">,<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">names<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"n\">a<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">names<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"o\">:<\/span><span class=\"m\">2<\/span><span class=\"p\">]<\/span>\r\n\t<span class=\"n\">b<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">names<\/span><span class=\"p\">[<\/span><span class=\"m\">1<\/span><span class=\"o\">:<\/span><span class=\"m\">3<\/span><span class=\"p\">]<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">)<\/span>\r\n\r\n\t<span class=\"n\">b<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"XXX\"<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">names<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u7d50\u679c<\/span>\r\n<span class=\"c\">\/\/ [John Paul George Ringo]<\/span>\r\n<span class=\"c\">\/\/ [John Paul] [Paul George]<\/span>\r\n<span class=\"c\">\/\/ [John XXX] [XXX George]<\/span>\r\n<span class=\"c\">\/\/ [John XXX George Ringo]<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d563e37434c4406cd8bfa\/11-0.png\" alt=\"\u30a4\u30e1\u30fc\u30b8\" \/><\/div>\n<pre class=\"post-pre\"><code><span class=\"n\">s<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span><span class=\"kt\">int<\/span><span class=\"p\">{<\/span><span class=\"m\">10<\/span><span class=\"p\">,<\/span> <span class=\"m\">20<\/span><span class=\"p\">,<\/span> <span class=\"m\">30<\/span><span class=\"p\">,<\/span> <span class=\"m\">40<\/span><span class=\"p\">,<\/span> <span class=\"m\">50<\/span><span class=\"p\">,<\/span> <span class=\"m\">60<\/span><span class=\"p\">}<\/span>\r\n<span class=\"c\">\/\/ start_index &gt;= 2 \uff5e end_index &lt; 4 \u307e\u3067\u306e\u8981\u7d20<\/span>\r\n<span class=\"n\">s1<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">s<\/span><span class=\"p\">[<\/span><span class=\"m\">1<\/span><span class=\"o\">:<\/span><span class=\"m\">4<\/span><span class=\"p\">]<\/span>  <span class=\"c\">\/\/=&gt; [20, ]<\/span>\r\n<\/code><\/pre>\n<h4>\u521b\u5efa\u51fd\u6570<\/h4>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ Make\u95a2\u6570<\/span>\r\n<span class=\"c\">\/\/ \u7b2c1\u5f15\u6570:\u30b9\u30e9\u30a4\u30b9\u306e\u578b<\/span>\r\n<span class=\"c\">\/\/ \u7b2c2\u5f15\u6570:\u30b9\u30e9\u30a4\u30b9\u306e\u9577\u3055<\/span>\r\n<span class=\"c\">\/\/ \u7b2c3\u5f15\u6570:\u30b9\u30e9\u30a4\u30b9\u306e\u5bb9\u91cf<\/span>\r\n\r\n<span class=\"c\">\/\/ \u9577\u30555 \u8981\u7d20int\u578b\u306e\u30b9\u30e9\u30a4\u30b9\u4f5c\u6210<\/span>\r\n<span class=\"n\">a<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">([]<\/span><span class=\"kt\">int<\/span><span class=\"p\">,<\/span> <span class=\"m\">5<\/span><span class=\"p\">)<\/span>\r\n<span class=\"o\">==&gt;<\/span> <span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">]<\/span> <span class=\"c\">\/\/\u7d50\u679c \u8981\u7d20\u306f\u5168\u3066\u30bc\u30ed\u5024\uff08int\u578b\u306e\u5834\u5408\u306f0\uff09\u3067\u521d\u671f\u5316\u3055\u308c\u308b<\/span>\r\n\r\n<span class=\"c\">\/\/ \u9577\u30550 \u5bb9\u91cf5 \u8981\u7d20int\u578b\u306e\u30b9\u30e9\u30a4\u30b9\u4f5c\u6210<\/span>\r\n<span class=\"c\">\/\/ \u5c06\u6765\u7684\u306b\u6700\u5927\u30675\u3064\u306e\u8981\u7d20\u3092\u683c\u7d0d\u3067\u304d\u308b<\/span>\r\n<span class=\"n\">b<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">([]<\/span><span class=\"kt\">int<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"m\">5<\/span><span class=\"p\">)<\/span>\r\n<span class=\"o\">==&gt;<\/span> <span class=\"p\">[]<\/span> <span class=\"c\">\/\/\u9577\u30550\u306a\u306e\u3067\u8981\u7d20\u306a\u3057<\/span>\r\n<\/code><\/pre>\n<h2>\u5faa\u73af<\/h2>\n<p>\u5f53\u4f7f\u7528range\u5728\u5207\u7247\u4e0a\u8fdb\u884c\u5faa\u73af\u65f6\uff0crange\u4f1a\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u8fd4\u56de\u4e24\u4e2a\u53d8\u91cf\u3002\u7b2c\u4e00\u4e2a\u53d8\u91cf\u662f\u7d22\u5f15\uff08index\uff09\uff0c\u7b2c\u4e8c\u4e2a\u53d8\u91cf\u662f\u7d22\u5f15\u4f4d\u7f6e\u4e0a\u5143\u7d20\u7684\u526f\u672c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"k\">for<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">v<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">pow<\/span> <span class=\"p\">{<\/span>\r\n\t\t<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2**%d = %d<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">i<\/span><span class=\"p\">,<\/span> <span class=\"n\">v<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5730\u56fe<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ key:int value:\u6587\u5b57\u5217 \u3068\u3059\u308b\u30de\u30c3\u30d7\u3092\u4f5c\u6210<\/span>\r\n<span class=\"n\">e<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">(<\/span><span class=\"k\">map<\/span><span class=\"p\">[<\/span><span class=\"kt\">int<\/span><span class=\"p\">]<\/span><span class=\"kt\">string<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">e<\/span><span class=\"p\">[<\/span><span class=\"m\">1<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"1st\"<\/span>  <span class=\"c\">\/\/ \u8ffd\u52a0<\/span>\r\n<span class=\"n\">e<\/span><span class=\"p\">[<\/span><span class=\"m\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"2nd\"<\/span>\r\n<span class=\"n\">e<\/span><span class=\"p\">[<\/span><span class=\"m\">3<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"3rd\"<\/span>\r\n<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">e<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nb\">delete<\/span><span class=\"p\">(<\/span><span class=\"n\">e<\/span><span class=\"p\">,<\/span> <span class=\"m\">2<\/span><span class=\"p\">)<\/span>  <span class=\"c\">\/\/ \u524a\u9664<\/span>\r\n<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">e<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c\">\/\/ \u5b58\u5728\u78ba\u8a8d<\/span>\r\n<span class=\"n\">elem<\/span><span class=\"p\">,<\/span> <span class=\"n\">ok<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">e<\/span><span class=\"p\">[<\/span><span class=\"m\">1<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"The value:\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">elem<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Present?\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">ok<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c\">\/\/ \u7d50\u679c<\/span>\r\n<span class=\"c\">\/\/ map[1:1st 2:2nd 3:3rd]<\/span>\r\n<span class=\"c\">\/\/ map[1:1st 3:3rd]<\/span>\r\n<span class=\"c\">\/\/ The value:  Present? false<\/span>\r\n<\/code><\/pre>\n<h2>\u95ed\u5305<\/h2>\n<p>\u95ed\u5305\u662f\u5f15\u7528\u5916\u90e8\u4f5c\u7528\u57df\u4e2d\u53d8\u91cf\uff0c\u5e76\u4fdd\u6301\u548c\u5229\u7528\u8be5\u53d8\u91cf\u7684\u51fd\u6570\u3002\u5728Golang\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u533f\u540d\u51fd\u6570\uff08\u51fd\u6570\u5b57\u9762\u91cf\uff09\u6765\u521b\u5efa\u95ed\u5305\u3002\u533f\u540d\u51fd\u6570\u4ee5 `func() &#8230;` \u7684\u5f62\u5f0f\u8868\u793a\uff0c\u5e76\u901a\u8fc7\u5c06\u5176\u4f5c\u4e3a\u51fd\u6570\u7c7b\u578b\u7684\u8fd4\u56de\u503c\u6765\u5b9e\u73b0\u95ed\u5305\u529f\u80fd\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"s\">\"fmt\"<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30af\u30ed\u30fc\u30b8\u30e3\u3092\u8fd4\u3059\u95a2\u6570<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">counter<\/span><span class=\"p\">()<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">count<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">count<\/span><span class=\"o\">++<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">count<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ count\u5909\u6570\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">getCount<\/span><span class=\"p\">()<\/span> <span class=\"kt\">int<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">counter<\/span><span class=\"p\">()()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">increment<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">counter<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">increment<\/span><span class=\"p\">())<\/span> <span class=\"c\">\/\/ \u30af\u30ed\u30fc\u30b8\u30e3\u3092\u547c\u3073\u51fa\u3057\u3066 count\u306e\u5024\u3092\u66f4\u65b0\u30021\u304c\u51fa\u529b\u3055\u308c\u308b<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">increment<\/span><span class=\"p\">())<\/span> <span class=\"c\">\/\/ \u30af\u30ed\u30fc\u30b8\u30e3\u3092\u547c\u3073\u51fa\u3057\u3066\u3001count\u306e\u5024\u3092\u66f4\u65b0\u30022\u304c\u51fa\u529b\u3055\u308c\u308b<\/span>\r\n\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"n\">getCount<\/span><span class=\"p\">())<\/span>  <span class=\"c\">\/\/ count\u306e\u73fe\u5728\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\uff08\u30af\u30ed\u30fc\u30b8\u30e3\u306e\u518d\u751f\u6210\u306f\u3057\u306a\u3044\uff092\u304c\u51fa\u529b\u3055\u308c\u308b<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0ccounter()\u51fd\u6570\u8fd4\u56de\u4e86\u4e00\u4e2a\u95ed\u5305\u3002counter()\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u4e86\u4e00\u4e2acount\u53d8\u91cf\uff0c\u5e76\u4e14\u8fd9\u4e2a\u53d8\u91cf\u88ab\u5305\u542b\u5728\u95ed\u5305\u4e2d\u3002\u95ed\u5305\u53ef\u4ee5\u8bbf\u95eecount\u53d8\u91cf\u5e76\u66f4\u65b0\u5176\u503c\u3002<\/p>\n<p>increment\u53d8\u91cf\u6301\u6709\u8c03\u7528counter()\u51fd\u6570\u5e76\u8fd4\u56de\u7ed3\u679c\u7684\u95ed\u5305\u3002\u6bcf\u6b21\u8c03\u7528\u95ed\u5305\u65f6\uff0ccount\u53d8\u91cf\u4f1a\u66f4\u65b0\u5e76\u8fd4\u56de\u65b0\u7684\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53d8\u91cf\u7684\u7701\u7565\u5b9a\u4e49 \/\/ \u578b\u306f\u81ea\u52d5\u3067\u63a8\u6e2c\u3055\u308c\u308b name := &#8220;John&#8221; \/\/ \u4ee5\u4e0b\u3068\u540c\u3058 var name  [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44006","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Go\u8bed\u8a00\u3011 \u57fa\u7840 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010go\u8bed\u8a00\u3011-\u57fa\u7840\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Go\u8bed\u8a00\u3011 \u57fa\u7840\" \/>\n<meta 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