{"id":167032,"date":"2020-10-06T06:29:21","date_gmt":"2020-10-05T22:29:21","guid":{"rendered":"http:\/\/4563.org\/?p=167032"},"modified":"2020-10-06T06:29:21","modified_gmt":"2020-10-05T22:29:21","slug":"golang-%e7%bb%93%e6%9e%84%e4%bd%93%e5%88%87%e7%89%87%ef%bc%8c%e5%a4%a7%e5%ae%b6%e7%9a%84%e4%b9%a0%e6%83%af%e6%98%af%e5%88%87%e7%89%87%e5%85%83%e7%b4%a0%e6%98%af%e7%bb%93%e6%9e%84%e4%bd%93%e5%80%bc","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=167032","title":{"rendered":"Golang \u7ed3\u6784\u4f53\u5207\u7247\uff0c\u5927\u5bb6\u7684\u4e60\u60ef\u662f\u5207\u7247\u5143\u7d20\u662f\u7ed3\u6784\u4f53\u503c\u8fd8\u662f\u6307\u9488(\u4e0d\u8003\u8651\u6027\u80fd\uff0c\u4ec5\u8003\u8651\u4ee3\u7801\u4f18\u96c5)"},"content":{"rendered":"
\n
\n
\n

Golang \u7ed3\u6784\u4f53\u5207\u7247\uff0c\u5927\u5bb6\u7684\u4e60\u60ef\u662f\u5207\u7247\u5143\u7d20\u662f\u7ed3\u6784\u4f53\u503c\u8fd8\u662f\u6307\u9488(\u4e0d\u8003\u8651\u6027\u80fd\uff0c\u4ec5\u8003\u8651\u4ee3\u7801\u4f18\u96c5) <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : einsdisp <\/span> <\/i> 4<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n
type Foobar struct { } <\/code><\/pre>\n
\u5207\u7247\u5143\u7d20\u662f\u503c<\/p>\n
var s []Foobar <\/code><\/pre>\n
Or:<\/p>\n
\u5207\u7247\u5143\u7d20\u662f\u6307\u9488<\/p>\n
var s []*Foobar <\/code><\/pre>\n
\u4e0d\u8003\u8651\u6027\u80fd\uff0c\u4ec5\u8003\u8003\u4ee3\u7801\u4f18\u96c5\u6027\u3002<\/p>\n
\u524d\u4e00\u79cd\u5207\u7247\uff08\u5143\u7d20\u4e3a\u503c\uff09\u5728\u5faa\u73af\u8d4b\u503c\u65f6\u6709\u4e0d\u4fbf\u4e4b\u5904:<\/p>\n
for _, i := range s {  i.xxx = yyy } <\/code><\/pre>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u5b9e\u9645\u4e0a\u662f\u65e0\u6548\u7684\uff0c\u5fc5\u987b\u4f7f\u7528\u7d22\u5f15\uff0c\u4e8e\u662f\u4ee3\u7801\u5f88\u4e0d\u4f18\u96c5\uff1a<\/p>\n
for i, _ := range s {  s[i].xxx = yyy } <\/code><\/pre>\n
\u4f46\u540e\u4e00\u79cd\u5207\u7247\uff08\u5143\u7d20\u4e3a\u6307\u9488\uff09\uff0c\u5728\u5f88\u591a\u4f7f\u7528\u573a\u666f\u4e0b\u540c\u6837\u4e0d\u65b9\u4fbf<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (19<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : einsdisp <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u540e\u4e00\u79cd\u5207\u7247\uff08\u5143\u7d20\u4e3a\u6307\u9488\uff09\uff0c\u5728\u5f88\u591a\u4f7f\u7528\u573a\u666f\u4e0b\u540c\u6837\u4e0d\u65b9\u4fbf\u3002<\/p>\n
    \u5728\u4f7f\u7528\u5207\u7247\u4e2d\u7684\u67d0\u5143\u7d20\u65f6\uff0c\u5e38\u5e38\u8981\u5148\u89e3\u5f15\u7528(\u5c31\u662f\u8bf4\u9700\u8981\u5199\u6210\u7c7b\u4f3c `*s[i]` \u7684\u5f62\u5f0f\u800c\u975e `s[i]`)\uff0c\u611f\u89c9\u540c\u6837\u5f88\u4e0d\u4f18\u96c5                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : zarte <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 “`
    for _, i := range s {
     i.xxx = yyy
    }
    “`
    \u5176\u4ed6\u8bed\u8a00\u8fd9\u6837\u4e5f\u4e0d\u884c\u5440\u3002
    \u6211\u662f\u7528\u8fd9\u79cd\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : JeromeCui <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u6bd4\u8f83\u4e60\u60ef\u6307\u9488\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u6211\u4e4b\u524d\u5199\u4e86\u597d\u51e0\u5e74\u7684 C++\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : cmdOptionKana <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e00\u5f8b\u4f18\u5148\u7528\u6307\u9488\uff0c\u9047\u5230\u7279\u6b8a\u60c5\u51b5\u624d\u76f4\u63a5\u7528\u7ed3\u6784\u4f53\u3002<\/p>\n
    \u53e6\u5916\u5728 Go \u91cc\uff0c\u7ed9\u4e00\u4e2a\u7ed3\u6784\u4f53\u6dfb\u52a0\u65b9\u6cd5\uff0c\u5b98\u65b9\u4e5f\u662f\u63d0\u5021\u4f18\u5148\u5bf9\u5176\u6307\u9488\u6dfb\u52a0\u65b9\u6cd5\uff0c\u50cf\u8fd9\u6837 func (foobar *Foobar) Method(){}                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : richzhu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u662f\u7528\u4e0a\u9762\u90a3\u79cd                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : labulaka521 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 range \u662f\u590d\u5236\u5230\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u53bb\u4e86\uff0c\u4f60\u518d\u4fee\u6539\u4e5f\u6539\u4e0d\u5230\u539f\u59cb\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : simenet <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u522b\u95ee\uff0c\u95ee\u5c31\u662f\u6307\u9488                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : dodoa <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u559c\u6b22\u7528\u503c\u7c7b\u578b\uff0c\u867d\u7136\u6307\u9488\u548c\u503c\u7c7b\u578b\u5728\u4f20\u503c\u4fee\u6539\u7684\u5f71\u54cd\u5b8c\u5168\u4e0d\u4e00\u6837\uff0c\u6839\u636e\u4f7f\u7528\u573a\u666f\u7684\u4e0d\u540c\uff0c\u5404\u81ea\u6709\u5404\u81ea\u7684\u4f18\u52bf\u6216\u8005\u8bf4\u5f0a\u7aef\u5427\u3002\u503c\u7c7b\u578b\u5b8c\u5168\u4e0d\u7528\u8003\u8651\u5185\u5b58\u7ba1\u7406\u7684\u95ee\u9898                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : coderxy <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u7528\u6307\u9488\uff0c\u6027\u80fd\u5373\u4f18\u96c5\u3002 \u5c31\u50cf\u6211\u58f0\u660e\u5207\u7247\u7684\u65f6\u5019\u5c3d\u91cf\u6307\u5b9a\u5bb9\u91cf\uff0c\u770b\u7740\u66f4\u8212\u670d\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : keepeye <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6307\u9488                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : damngood <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6307\u9488\u6027\u80fd\u672a\u5fc5\u66f4\u597d. \u8981\u8003\u8651 gc \u548c\u5185\u5b58\u5206\u914d\u8fd9\u4e9b\u95ee\u9898.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Sasasu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5728\u6709 gc \u7684\u8bed\u8a00\u4e2d\u4e00\u5207\u5e38\u8bc6\u90fd\u8981\u91cd\u65b0\u8003\u8651\u3002<\/p>\n
    \u4e00\u4e2a\u6307\u9488\u6570\u7ec4\u586b\u5145\u65f6\u9700\u8981 N \u6b21\u5185\u5b58\u5206\u914d\uff0c\u521b\u5efa N + 1 \u4e2a\u5bf9\u8c61\u3002<\/p>\n
    \u5199\u8d77\u6765\u5954\u653e\u7684\u8bdd gc \u5bfc\u81f4\u7684 cpu \u4f7f\u7528\u4f1a\u6bd4\u7a0b\u5e8f\u771f\u6b63\u7528\u5230\u7684\u8fd8\u8981\u591a\u3002<\/p>\n
    STW \u5ef6\u8fdf\u8fd8\u597d\uff0c\u4f46\u662f\u541e\u5410\u91cf\u5c31\u6ca1\u6709\u4e86\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : vvmint233 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6240\u4ee5\u4e3a\u5565\u8981\u52a0\u4e2a_, for i := range s {s[i].xxx = yyyy} \u4e5f\u633a\u597d\u770b\u7684\u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : index90 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u540c\u6837\u7684\u95ee\u9898\uff1a https:\/\/v2ex.com\/t\/664610                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : snowwalf <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 for i := range s {
     s[i].xxx = yyy
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : useben <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u60c5\u51b5, \u5c0f\u5bf9\u8c61\u76f4\u63a5\u5b58\u503c; \u5927\u5bf9\u8c61\u4e00\u822c\u5b58\u6307\u9488; \u82e5\u5927\u5bf9\u8c61\u4e14\u9891\u7e41\u521b\u5efa\u9500\u6bc1\u770b\u60c5\u51b5, \u82e5\u5185\u5b58\u8db3\u591f\u76f4\u63a5\u5b58\u503c, \u82e5\u5185\u5b58\u7d27\u5f20\u5b58\u6307\u9488, \u603b\u4e4b\u5c31\u662f trade-off<\/p>\n
    \u56e0\u4e3a\u5207\u7247\u5e95\u5c42\u7684\u6269\u5bb9\u662f\u6839\u636e\u5207\u7247\u5143\u7d20\u5206\u60c5\u51b5\u7684, \u503c or \u6307\u9488. \u82e5\u662f\u503c\u76f4\u63a5\u6269\u5bb9\u8ffd\u52a0\u5230\u65e7\u5185\u5b58; \u82e5\u662f\u6307\u9488, \u9700\u8981\u5224\u65ad\u662f\u5426\u5199\u5c4f\u969c, \u8fd8\u6709 gc \u5224\u65ad\u5565\u7684, \u56e0\u6b64\u5bf9\u589e\u52a0\u5f00\u9500.                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : lewinlan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u65e0\u8111\u6307\u9488\u5373\u53ef                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : mengzhuo <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 99%\u6307\u9488
    1%\u4e3a\u4e86\u6027\u80fd\u624d\u7528 struct                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : gamexg <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5c3d\u91cf\u6307\u9488\uff0c
    \u6781\u4e2a\u522b\u4e3a\u4e86\u6027\u80fd\u8003\u8651\u4fdd\u5b58\u4e3a\u503c\uff0c\u4f46\u662f\u4f7f\u7528\u65f6\u4e5f\u5c3d\u91cf\u4f7f\u7528\u6307\u9488\uff1a<\/p>\n
    “`
     list1 := make([]Struct1, 1)<\/p>\n
     for i, _ := range list1 {
     v := &list1[i]<\/p>\n
     v.A = “11”
     }
    “`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Golang \u7ed3\u6784\u4f53\u5207\u7247\uff0c\u5927\u5bb6\u7684\u4e60…<\/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\/167032"}],"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=167032"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/167032\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=167032"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=167032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}