{"id":461,"date":"2023-05-13T19:09:27","date_gmt":"2023-05-13T11:09:27","guid":{"rendered":"http:\/\/120.55.184.7\/?p=461"},"modified":"2025-04-16T00:44:23","modified_gmt":"2025-04-15T16:44:23","slug":"go-%e6%b3%9b%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/beijian99.top\/?p=461","title":{"rendered":"Go \u6cdb\u578b"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u4e00\u3001\u6cdb\u578b\u7684\u57fa\u672c\u6982\u5ff5\u4e0e\u8bed\u6cd5<\/h3>\n\n\n\n<p>Go \u8bed\u8a00\u81ea <strong>1.18 \u7248\u672c<\/strong>\u5f15\u5165\u6cdb\u578b\uff0c\u5141\u8bb8\u7f16\u5199\u9002\u7528\u4e8e\u591a\u79cd\u6570\u636e\u7c7b\u578b\u7684\u901a\u7528\u4ee3\u7801\uff0c\u89e3\u51b3\u91cd\u590d\u7f16\u5199\u76f8\u4f3c\u903b\u8f91\u7684\u95ee\u9898\uff0c\u540c\u65f6\u63d0\u5347\u7c7b\u578b\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>\u57fa\u672c\u8bed\u6cd5<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7c7b\u578b\u53c2\u6570<\/strong>\uff1a\u4f7f\u7528\u65b9\u62ec\u53f7 <code>[]<\/code> \u5b9a\u4e49\u7c7b\u578b\u53c2\u6570\uff0c\u4f8b\u5982 <code>[T any]<\/code> \u8868\u793a <code>T<\/code> \u53ef\u4ee5\u662f\u4efb\u610f\u7c7b\u578b\u3002<\/li>\n\n\n\n<li><strong>\u7c7b\u578b\u7ea6\u675f<\/strong>\uff1a\u901a\u8fc7\u63a5\u53e3\u9650\u5236\u7c7b\u578b\u53c2\u6570\u7684\u8303\u56f4\uff0c\u4f8b\u5982 <code>[T Number]<\/code> \u7ea6\u675f <code>T<\/code> \u4e3a\u6570\u503c\u7c7b\u578b\uff08\u5982 <code>int<\/code>\u3001<code>float64<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u793a\u4f8b\u4ee3\u7801<\/strong>\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\n\/\/ \u6cdb\u578b\u51fd\u6570\uff1a\u4ea4\u6362\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\nfunc Swap&#x5B;T any](a, b *T) {\n    tmp := *a\n    *a = *b\n    *b = tmp\n}\n\n\/\/ \u6cdb\u578b\u7c7b\u578b\uff1a\u6808\u6570\u636e\u7ed3\u6784\ntype Stack&#x5B;T any] &#x5B;]T\n\nfunc (s *Stack&#x5B;T]) Push(v T) {\n    *s = append(*s, v)\n}\n<\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">2. <strong>\u7c7b\u578b\u7ea6\u675f\u7684\u5b9e\u73b0<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5185\u7f6e\u7ea6\u675f<\/strong>\uff1a<code>any<\/code>\uff08\u4efb\u610f\u7c7b\u578b\uff09\u3001<code>comparable<\/code>\uff08\u53ef\u6bd4\u8f83\u7c7b\u578b\uff09\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u5b9a\u4e49\u7ea6\u675f<\/strong>\uff1a\u901a\u8fc7\u63a5\u53e3\u5b9a\u4e49\u7c7b\u578b\u96c6\u5408\uff0c\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\n  type Number interface {\n      int | float64  \/\/ \u7c7b\u578b\u96c6\u7ea6\u675f\n  }\n  func Add&#x5B;T Number](a, b T) T {\n      return a + b\n  }\n<\/pre><\/div>\n\n\n<p>\u8c03\u7528 <code>Add(3, 5)<\/code> \u6216 <code>Add(3.14, 2.71)<\/code> \u5747\u5408\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u3001\u6cdb\u578b\u7684\u4e3b\u8981\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>\u96c6\u5408\u64cd\u4f5c<\/strong><\/h4>\n\n\n\n<p>\u6cdb\u578b\u7b80\u5316\u4e86\u9488\u5bf9\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u96c6\u5408\u64cd\u4f5c\uff0c\u4f8b\u5982\u8fc7\u6ee4\u3001\u6620\u5c04\u7b49\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\n\/\/ \u8fc7\u6ee4\u5207\u7247\u4e2d\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\nfunc Filter&#x5B;T any](s &#x5B;]T, f func(T) bool) &#x5B;]T {\n    var result &#x5B;]T\n    for _, v := range s {\n        if f(v) { result = append(result, v) }\n    }\n    return result\n}\n<\/pre><\/div>\n\n\n<p><strong>\u8c03\u7528\u793a\u4f8b<\/strong>\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nnums := &#x5B;]int{1, 2, 3, 4, 5}\neven := Filter(nums, func(n int) bool { return n%2 == 0 })  \/\/ \u8f93\u51fa &#x5B;2, 4]\n<\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">2. <strong>\u901a\u7528\u6570\u636e\u7ed3\u6784<\/strong><\/h4>\n\n\n\n<p>\u6cdb\u578b\u53ef\u7528\u4e8e\u521b\u5efa\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u94fe\u8868\u3001\u961f\u5217\u3001\u7f13\u5b58\u7b49\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\n\/\/ \u901a\u7528\u94fe\u8868\u7ed3\u6784\ntype List&#x5B;T any] struct {\n    head *element&#x5B;T]\n}\n\ntype element&#x5B;T any] struct {\n    next *element&#x5B;T]\n    val  T\n}\n\nfunc (lst *List&#x5B;T]) Push(v T) {\n    \/\/ \u63d2\u5165\u903b\u8f91\n}\n<\/pre><\/div>\n\n\n<p><strong>\u4f18\u52bf<\/strong>\uff1a\u540c\u4e00\u94fe\u8868\u53ef\u5b58\u50a8\u6574\u6570\u3001\u5b57\u7b26\u4e32\u6216\u81ea\u5b9a\u4e49\u7ed3\u6784\u4f53\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>\u7b97\u6cd5\u5b9e\u73b0<\/strong><\/h4>\n\n\n\n<p>\u6cdb\u578b\u652f\u6301\u7f16\u5199\u901a\u7528\u7b97\u6cd5\uff0c\u5982\u6392\u5e8f\u3001\u641c\u7d22\u7b49\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\n\/\/ \u5feb\u901f\u6392\u5e8f\u7b97\u6cd5\uff08\u652f\u6301\u4efb\u610f\u53ef\u6bd4\u8f83\u7c7b\u578b\uff09\nfunc QuickSort&#x5B;T comparable](s &#x5B;]T) {\n    if len(s) &lt; 2 { return }\n    pivot := s&#x5B;len(s)\/2]\n    i, j := 0, len(s)-1\n    \/\/ \u5206\u533a\u903b\u8f91\n    QuickSort(s&#x5B;:i])\n    QuickSort(s&#x5B;i:])\n}\n<\/pre><\/div>\n\n\n<p><strong>\u8c03\u7528\u793a\u4f8b<\/strong>\uff1a<code>QuickSort([]int{3, 1, 4})<\/code> \u6216 <code>QuickSort([]string{\"b\", \"a\"})<\/code>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. <strong>\u7c7b\u578b\u5b89\u5168\u7684\u901a\u7528\u5e93<\/strong><\/h4>\n\n\n\n<p>\u6cdb\u578b\u66ff\u4ee3\u4e86\u57fa\u4e8e <code>interface{}<\/code> \u548c\u53cd\u5c04\u7684\u5b9e\u73b0\uff0c\u63d0\u5347\u6027\u80fd\u548c\u53ef\u8bfb\u6027\uff1a<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\n\/\/ \u4f20\u7edf\u65b9\u5f0f\uff1a\u4f7f\u7528\u7a7a\u63a5\u53e3\u548c\u7c7b\u578b\u65ad\u8a00\nfunc PrintAll(vals &#x5B;]interface{}) { \/* ... *\/ }\n\n\/\/ \u6cdb\u578b\u65b9\u5f0f\uff1a\u7c7b\u578b\u5b89\u5168\u4e14\u9ad8\u6548\nfunc PrintAll&#x5B;T any](vals &#x5B;]T) { \/* ... *\/ }\n<\/pre><\/div>\n\n\n<p><strong>\u4f18\u52bf<\/strong>\uff1a\u7f16\u8bd1\u65f6\u7c7b\u578b\u68c0\u67e5\uff0c\u65e0\u9700\u8fd0\u884c\u65f6\u53cd\u5c04\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u3001\u6cdb\u578b\u7684\u6ce8\u610f\u4e8b\u9879\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9002\u7528\u573a\u666f<\/strong><br>\u2022 <strong>\u4f18\u5148\u4f7f\u7528<\/strong>\uff1a\u5904\u7406\u591a\u7c7b\u578b\u5bb9\u5668\uff08\u5982\u5207\u7247\u3001\u6620\u5c04\uff09\u3001\u901a\u7528\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\u3002<br>\u2022 <strong>\u907f\u514d\u6ee5\u7528<\/strong>\uff1a\u7b80\u5355\u51fd\u6570\u6216\u5355\u4e00\u7c7b\u578b\u573a\u666f\u65e0\u9700\u6cdb\u578b\uff0c\u4ee5\u514d\u589e\u52a0\u590d\u6742\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u6027\u80fd\u4e0e\u7f16\u8bd1<\/strong><br>\u2022 <strong>\u7f16\u8bd1\u65f6\u95f4<\/strong>\uff1a\u6cdb\u578b\u53ef\u80fd\u5bfc\u81f4\u7f16\u8bd1\u65f6\u95f4\u7565\u5fae\u589e\u52a0\uff08\u7ea6 15-18%\uff09\u3002<br>\u2022 <strong>\u8fd0\u884c\u65f6\u5f00\u9500<\/strong>\uff1a\u6cdb\u578b\u901a\u8fc7\u7f16\u8bd1\u5668\u751f\u6210\u5177\u4f53\u7c7b\u578b\u4ee3\u7801\uff0c\u6027\u80fd\u63a5\u8fd1\u624b\u5199\u7c7b\u578b\u7279\u5316\u4ee3\u7801\u3002<\/li>\n\n\n\n<li><strong>\u5de5\u5177\u652f\u6301<\/strong><br>\u2022 <strong>IDE \u517c\u5bb9\u6027<\/strong>\uff1a\u786e\u4fdd\u4f7f\u7528\u652f\u6301\u6cdb\u578b\u7684 Go \u7248\u672c\uff08\u22651.18\uff09\u53ca IDE\uff08\u5982 GoLand \u22652022.1\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u9645\u6848\u4f8b\u4e0e\u4ee3\u7801\u7247\u6bb5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>\u6cdb\u578b Map \u51fd\u6570<\/strong><\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\nfunc Map&#x5B;T, U any](s &#x5B;]T, f func(T) U) &#x5B;]U {\n    result := make(&#x5B;]U, len(s))\n    for i, v := range s { result&#x5B;i] = f(v) }\n    return result\n}\n\n\/\/ \u8c03\u7528\u793a\u4f8b\nsquares := Map(&#x5B;]int{1, 2, 3}, func(n int) int { return n*n })  \/\/ &#x5B;1, 4, 9]\n<\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">2. <strong>\u6cdb\u578b\u7f13\u5b58\u7ed3\u6784<\/strong><\/h4>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: go; title: ; notranslate\" title=\"\">\ntype Cache&#x5B;K comparable, V any] struct {\n    data map&#x5B;K]V\n}\n\nfunc (c *Cache&#x5B;K, V]) Get(key K) (V, bool) {\n    val, ok := c.data&#x5B;key]\n    return val, ok\n}\n<\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e94\u3001\u603b\u7ed3<\/h3>\n\n\n\n<p>Go \u8bed\u8a00\u7684\u6cdb\u578b\u901a\u8fc7\u7c7b\u578b\u53c2\u6570\u548c\u7ea6\u675f\u673a\u5236\uff0c\u663e\u8457\u63d0\u5347\u4e86\u4ee3\u7801\u590d\u7528\u6027\u548c\u7c7b\u578b\u5b89\u5168\u6027\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u96c6\u5408\u64cd\u4f5c\u3001\u901a\u7528\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u3002\u5c3d\u7ba1\u5f15\u5165\u4e86\u4e00\u5b9a\u7684\u590d\u6742\u6027\uff0c\u4f46\u5728\u9700\u8981\u7075\u6d3b\u5904\u7406\u591a\u7c7b\u578b\u6570\u636e\u7684\u573a\u666f\u4e2d\uff0c\u6cdb\u578b\u662f\u4e0d\u53ef\u66ff\u4ee3\u7684\u5de5\u5177\u3002\u672a\u6765\u968f\u7740\u5de5\u5177\u94fe\u4f18\u5316\uff08\u5982 Go 1.23 \u5bf9\u7f16\u8bd1\u901f\u5ea6\u7684\u6539\u8fdb\uff09\uff0c\u6cdb\u578b\u7684\u4f7f\u7528\u5c06\u66f4\u52a0\u5e7f\u6cdb\u3002<\/p>\n\n\n\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/go.dev\/doc\/tutorial\/generics\">Go \u5b98\u65b9\u6cdb\u578b\u6559\u7a0b<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6cdb\u578b\u7684\u57fa\u672c\u6982\u5ff5\u4e0e\u8bed\u6cd5 Go \u8bed\u8a00\u81ea 1.18 \u7248\u672c\u5f15\u5165\u6cdb\u578b\uff0c\u5141\u8bb8\u7f16\u5199\u9002\u7528\u4e8e\u591a\u79cd\u6570\u636e\u7c7b\u578b\u7684\u901a\u7528\u4ee3\u7801\uff0c\u89e3\u51b3\u91cd\u590d [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[121],"tags":[],"class_list":["post-461","post","type-post","status-publish","format-standard","hentry","category-golang"],"_links":{"self":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts\/461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=461"}],"version-history":[{"count":2,"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts\/461\/revisions"}],"predecessor-version":[{"id":464,"href":"https:\/\/beijian99.top\/index.php?rest_route=\/wp\/v2\/posts\/461\/revisions\/464"}],"wp:attachment":[{"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beijian99.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}