{"id":74556,"date":"2026-02-10T01:17:15","date_gmt":"2026-02-09T17:17:15","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/74556.html"},"modified":"2026-02-10T01:17:15","modified_gmt":"2026-02-09T17:17:15","slug":"%e6%8f%ad%e7%a7%98haskell%e4%b8%ad%e7%9a%84%e7%b1%bb%e5%9e%8b%e5%ba%94%e7%94%a8%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/74556.html","title":{"rendered":"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7"},"content":{"rendered":"<p>\u5728Haskell\u7f16\u7a0b\u4e2d\uff0c\u7c7b\u578b\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u6027\u5e38\u5e38\u8ba9\u521d\u5b66\u8005\u611f\u5230\u56f0\u60d1\u3002\u4eca\u5929\u6211\u4eec\u6765\u6df1\u5165\u63a2\u8ba8\u4e00\u79cd\u6709\u8da3\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7\uff0c\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u7406\u89e3\u5982\u4f55\u66f4\u4f18\u96c5\u5730\u5904\u7406\u7c7b\u578b\u53c2\u6570\u3002<\/p>\n<h3>\u80cc\u666f<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7c7b\u578bDynamicF\\&#8217;\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u51fd\u6570\uff1a<\/p>\n<p><span class=\"token keyword\">type<\/span> <span class=\"token constant\">DynamicF\\&#8217;<\/span> <span class=\"token operator\">::<\/span> <span class=\"token hvariable\">k<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token hvariable\">k<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token constant\">Type<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token constant\">Type<\/span><br \/>\n<span class=\"token keyword\">data<\/span> <span class=\"token constant\">DynamicF\\&#8217;<\/span> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Haskell\u7f16\u7a0b\u4e2d\uff0c\u7c7b\u578b\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u6027\u5e38\u5e38\u8ba9\u521d\u5b66\u8005\u611f\u5230\u56f0\u60d1\u3002\u4eca\u5929\u6211\u4eec\u6765\u6df1\u5165\u63a2\u8ba8\u4e00\u79cd\u6709\u8da3\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7\uff0c\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u7406\u89e3\u5982\u4f55\u66f4\u4f18\u96c5\u5730\u5904\u7406\u7c7b\u578b\u53c2\u6570\u3002<br \/>\n\u80cc\u666f<br \/>\n\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7c7b\u578bDynamicF\\&#8217;\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u51fd\u6570\uff1a<br \/>\ntype DynamicF\\&#8217; :: k -&gt; (k -&gt; Type) -&gt; Type<br \/>\ndata DynamicF\\&#8217; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,569,43,78],"topic":[],"class_list":["post-74556","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-569","tag-43","tag-78"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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.wsisp.com\/helps\/74556.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u5728Haskell\u7f16\u7a0b\u4e2d\uff0c\u7c7b\u578b\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u6027\u5e38\u5e38\u8ba9\u521d\u5b66\u8005\u611f\u5230\u56f0\u60d1\u3002\u4eca\u5929\u6211\u4eec\u6765\u6df1\u5165\u63a2\u8ba8\u4e00\u79cd\u6709\u8da3\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7\uff0c\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u7406\u89e3\u5982\u4f55\u66f4\u4f18\u96c5\u5730\u5904\u7406\u7c7b\u578b\u53c2\u6570\u3002 \u80cc\u666f \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7c7b\u578bDynamicF&#039;\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u51fd\u6570\uff1a type DynamicF&#039; :: k -&gt; (k -&gt; Type) -&gt; Type data DynamicF&#039;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/74556.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-09T17:17:15+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/74556.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/74556.html\",\"name\":\"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-02-09T17:17:15+00:00\",\"dateModified\":\"2026-02-09T17:17:15+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/74556.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/74556.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/74556.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/74556.html","og_locale":"zh_CN","og_type":"article","og_title":"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u5728Haskell\u7f16\u7a0b\u4e2d\uff0c\u7c7b\u578b\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u548c\u5f3a\u5927\u6027\u5e38\u5e38\u8ba9\u521d\u5b66\u8005\u611f\u5230\u56f0\u60d1\u3002\u4eca\u5929\u6211\u4eec\u6765\u6df1\u5165\u63a2\u8ba8\u4e00\u79cd\u6709\u8da3\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7\uff0c\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u7406\u89e3\u5982\u4f55\u66f4\u4f18\u96c5\u5730\u5904\u7406\u7c7b\u578b\u53c2\u6570\u3002 \u80cc\u666f \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7c7b\u578bDynamicF'\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u51fd\u6570\uff1a type DynamicF' :: k -&gt; (k -&gt; Type) -&gt; Type data DynamicF'","og_url":"https:\/\/www.wsisp.com\/helps\/74556.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-02-09T17:17:15+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/74556.html","url":"https:\/\/www.wsisp.com\/helps\/74556.html","name":"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-02-09T17:17:15+00:00","dateModified":"2026-02-09T17:17:15+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/74556.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/74556.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/74556.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u63ed\u79d8Haskell\u4e2d\u7684\u7c7b\u578b\u5e94\u7528\u6280\u5de7"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/74556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=74556"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/74556\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=74556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=74556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=74556"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=74556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}