{"id":381604,"date":"2021-03-11T20:10:29","date_gmt":"2021-03-11T12:10:29","guid":{"rendered":"http:\/\/4563.org\/?p=381604"},"modified":"2021-03-11T20:10:29","modified_gmt":"2021-03-11T12:10:29","slug":"%e8%ae%a9-go-%e5%a0%b5%e5%a1%9e%e6%96%b9%e5%bc%8f%e7%9a%84%e7%96%91%e9%97%ae","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=381604","title":{"rendered":"\u8ba9 go \u5835\u585e\u65b9\u5f0f\u7684\u7591\u95ee"},"content":{"rendered":"
\n
\n
\n

\u8ba9 go \u5835\u585e\u65b9\u5f0f\u7684\u7591\u95ee <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : hwdef <\/span> <\/i> 0<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6211\u60f3\u8ba9\u4e00\u4e2a go \u51fd\u6570\u6c38\u8fdc\u633a\u4f4f\uff0c\u76ee\u524d\u60f3\u5230\u4e09\u79cd\u65b9\u6cd5<\/p>\n

for{} <\/code><\/pre>\n
select{} <\/code><\/pre>\n
done := make(chan bool) <-done <\/code><\/pre>\n
\u8fd9\u4e09\u79cd\u65b9\u5f0f\u6709\u4ec0\u4e48\u533a\u522b\u5417\uff1f\u5728 cpu \u548c\u5185\u5b58\u7684\u4f7f\u7528\u4e0a\u5462\uff1f<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (11<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : emSaVya <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 2 3 \u4f1a yield 1 \u4e0d\u4f1a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : bianzhifu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f18\u5148\u4f7f\u7528 2 \u7b80\u5355\uff0c\u4ee3\u7801\u6700\u5c11\uff0c\u5176\u6b21\u662f 3\uff0c\u5982\u679c\u4f7f\u7528 1\uff0c\u53ef\u4ee5\u5728 for \u91cc\u9762\u5199\u4e00\u4e2a time.Sleep(time.Hour)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : hwdef <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @bianzhifu \u8fd9\u4e09\u4e2a\u5728\u6027\u80fd\u4e0a\u5dee\u522b\u5927\u5417                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : hwdef <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @bianzhifu \u4e3a\u4ec0\u4e48 3 \u91cc\u9762\u8981\u653e\u4e00\u4e2a sleep \u5462                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ToPoGE <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @hwdef for \u80af\u5b9a\u662f\u4e0d\u80fd\u7528\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : baiyi <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @hwdef #4 \u901a\u9053\u963b\u585e\u6ca1\u6709\u4eba\u5524\u9192\u662f\u4e0d\u4f1a\u91cd\u65b0\u8fd0\u884c\u7684\uff0cfor \u88ab\u62a2\u5360\u540e\u8fd8\u662f\u4f1a\u88ab\u5207\u6362\u56de\u6765\u7684\u3002select \u6709 case \u624d\u9700\u8981 return\uff0c\u6ca1\u6709 case \u4f1a\u963b\u585e\uff0c\u6240\u4ee5\u4e0d\u7528 return\uff0c\u7f16\u8bd1\u5668\u7684\u4f18\u5316                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : hwdef <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @baiyi \u5927\u6982\u4e86\u89e3\u4e86\uff0c\u611f\u8c22\u3002\u90a3\u6211\u8fd8\u662f\u7528 select \u5427\uff0c\u6ca1\u6709\u5524\u9192\u7684\u9700\u6c42\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : boboliu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u76f4\u63a5\u8fd9\u6837\u5199 for \u6b7b\u5faa\u73af\u4f1a\u5728 gc \u65f6\u4f1a\u56e0\u4e3a for \u6240\u5728 goroutine \u65e0\u6cd5\u88ab gc \u7ed9\u62a2\u5360\uff0c\u4ece\u800c\u5361\u6b7b\u6574\u4e2a\u5e94\u7528<\/p>\n
    \u5982\u679c\u4f60\u7684 for \u5185\u6709 call \u4e00\u4e9b\u5927\u51fd\u6570\u6216\u8005\u7528 time.Sleep \u7684\u8bdd\u53ef\u4ee5\u907f\u5f00\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f46\u662f\u4ecd\u7136\u8981\u5c0f\u5fc3\u9632\u6b62\u65e0\u610f\u4e2d\u5199\u9519\uff0c\u6240\u4ee5\u4e0d\u5982\u7528 chan \u6216\u8005 sync \u5305                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : sunny352787 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f60\u8be5\u4e0d\u4f1a\u662f\u5728 main \u91cc\u9762\u505c\u4e0d\u4e0b\u6765\u5427\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : hwdef <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @boboliu \u660e\u767d\u4e86\uff0c\u611f\u8c22                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : hwdef <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @sunny352787 \u4e0d\u662f main\uff0c\u4e00\u4e2a\u76d1\u542c\u6587\u4ef6\u53d8\u52a8\u7684\u51fd\u6570\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u8ba9 go \u5835\u585e\u65b9\u5f0f\u7684\u7591\u95ee \u8cc7\u6df1\u5927\u4f6c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/381604"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=381604"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/381604\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=381604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=381604"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=381604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}