{"id":48,"date":"2025-11-25T17:49:17","date_gmt":"2025-11-25T09:49:17","guid":{"rendered":"https:\/\/www.bandifee.com\/?p=48"},"modified":"2025-12-10T21:40:34","modified_gmt":"2025-12-10T13:40:34","slug":"%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/blog.bandifee.com\/index.php\/2025\/11\/25\/%e5%87%bd%e6%95%b0%e5%bc%8f%e7%bc%96%e7%a8%8b\/","title":{"rendered":"\u51fd\u6570\u5f0f\u7f16\u7a0b"},"content":{"rendered":"\n

\u51fd\u6570\u5f0f\u7f16\u7a0b\uff08Functional Programming\uff0cFP\uff09\u662f\u4e00\u79cd\u628a\u201c\u8ba1\u7b97\u201d\u770b\u6210\u662f\u5bf9\u51fd\u6570\u7684\u6c42\u503c<\/strong>\u3001\u5e76\u4e14\u5c3d\u91cf\u907f\u514d\u6539\u53d8\u6570\u636e\u7684\u7f16\u7a0b\u8303\u5f0f\u3002\u5b83\u4e0e\u6211\u4eec\u5e38\u89c1\u7684\u547d\u4ee4\u5f0f\u7f16\u7a0b\uff08Java\u3001Python \u5927\u90e8\u5206\u5199\u6cd5\uff09\u6709\u5f88\u5927\u4e0d\u540c\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u7528\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u4ecb\u7ecd\u5b83\u7684\u6838\u5fc3\u601d\u60f3\uff1a<\/p>\n\n\n\n

\n\n\n\n

\u2b50 \u6838\u5fc3\u7406\u5ff5<\/h2>\n\n\n\n

1. \u51fd\u6570\u662f\u201c\u7b2c\u4e00\u7b49\u516c\u6c11\u201d<\/strong><\/h3>\n\n\n\n

\u51fd\u6570\u53ef\u4ee5\u50cf\u666e\u901a\u53d8\u91cf\u4e00\u6837\uff1a<\/p>\n\n\n\n

    \n
  • \u4f20\u5165\u53e6\u4e00\u4e2a\u51fd\u6570<\/li>\n\n\n\n
  • \u4ece\u51fd\u6570\u8fd4\u56de<\/li>\n\n\n\n
  • \u5b58\u5728\u6570\u636e\u7ed3\u6784\u91cc<\/li>\n<\/ul>\n\n\n\n

    \u4f8b\u5982 Haskell\u3001JavaScript \u7684 map\/filter \u5c31\u662f\u8fd9\u79cd\u601d\u60f3\u3002<\/p>\n\n\n\n

    map (+1) [1,2,3]   -- \u7ed3\u679c: [2,3,4]\n<\/code><\/pre>\n\n\n\n
    2. \u6ca1\u6709\u201c\u53ef\u53d8\u53d8\u91cf\u201d<\/strong><\/h3>\n\n\n\n
    FP \u5c3d\u91cf\u907f\u514d\uff1a<\/p>\n\n\n\n
      \n
    • \u4fee\u6539\u53d8\u91cf\uff08\u6ca1\u6709 i++\uff09<\/li>\n\n\n\n
    • \u4fee\u6539\u5bf9\u8c61\u5185\u90e8\u72b6\u6001<\/li>\n<\/ul>\n\n\n\n
      \u4e00\u65e6\u6570\u636e\u88ab\u521b\u5efa\uff0c\u5c31\u4e0d\u4f1a\u88ab\u6539\u53d8\uff08immutable\uff09\u3002
      \u8fd9\u8ba9\u4ee3\u7801\u66f4\u53ef\u9884\u6d4b\uff0c\u4e5f\u66f4\u5bb9\u6613\u5e76\u884c\u5316\u3002<\/p>\n\n\n\n
      3. \u5f3a\u8c03\u201c\u8868\u8fbe\u5f0f\u201d\u800c\u4e0d\u662f\u201c\u6b65\u9aa4\u201d<\/strong><\/h3>\n\n\n\n
      \u547d\u4ee4\u5f0f\u4ee3\u7801\u5173\u6ce8\u6b65\u9aa4\uff1a<\/p>\n\n\n\n
      sum = 0\nfor x in arr:\n    sum += x\n<\/code><\/pre>\n\n\n\n
      \u51fd\u6570\u5f0f\u5f3a\u8c03\u7684\u662f\u8868\u8fbe\u5f0f\u7ed3\u679c\uff1a<\/p>\n\n\n\n
      sum arr\n<\/code><\/pre>\n\n\n\n
      4. \u7eaf\u51fd\u6570\uff08Pure Function\uff09<\/strong><\/h3>\n\n\n\n
      \u7eaf\u51fd\u6570\u7684\u7279\u70b9\uff1a<\/p>\n\n\n\n
        \n
      • \u76f8\u540c\u8f93\u5165\u6c38\u8fdc\u5f97\u5230\u76f8\u540c\u8f93\u51fa<\/strong><\/li>\n\n\n\n
      • \u4e0d\u4f1a\u4ea7\u751f\u526f\u4f5c\u7528<\/strong>\uff08\u4e0d\u4f1a\u6253\u5370\u3001\u4e0d\u4f1a\u4fee\u6539\u5168\u5c40\u53d8\u91cf\u3001\u4e0d\u4f1a\u5199\u6587\u4ef6\uff09<\/li>\n<\/ul>\n\n\n\n
        \u7eaf\u51fd\u6570\u5e26\u6765\u7684\u597d\u5904\uff1a<\/p>\n\n\n\n
          \n
        • \u66f4\u5bb9\u6613\u6d4b\u8bd5<\/li>\n\n\n\n
        • \u66f4\u5bb9\u6613\u63a8\u7406<\/li>\n\n\n\n
        • \u53ef\u4ee5\u5e76\u884c\u6267\u884c<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          \u2b50 \u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4f18\u52bf<\/h2>\n\n\n\n
            \n
          • \u4ee3\u7801\u66f4\u77ed\u3001\u66f4\u7b80\u6d01\u3001\u66f4\u6570\u5b66\u5316<\/strong><\/li>\n\n\n\n
          • \u53ef\u5e76\u884c\u6027\u5f3a<\/strong>\uff08\u56e0\u4e3a\u6ca1\u6709\u5171\u4eab\u53ef\u53d8\u72b6\u6001\uff09<\/li>\n\n\n\n
          • bug \u66f4\u5c11\uff0c\u66f4\u5bb9\u6613\u6d4b\u8bd5\u548c\u63a8\u7406<\/strong><\/li>\n<\/ul>\n\n\n\n
            \n\n\n\n
            \u2b50 \u5e38\u89c1\u8bed\u8a00\u4e2d\u7684\u4f8b\u5b50<\/h2>\n\n\n\n
            Haskell\uff08\u7eaf\u51fd\u6570\u5f0f\uff09<\/strong><\/h3>\n\n\n\n
            square x = x * x\nmap square [1,2,3]    -- [1,4,9]\n<\/code><\/pre>\n\n\n\n
            JavaScript\uff08\u652f\u6301\u51fd\u6570\u5f0f\u7279\u6027\uff09<\/strong><\/h3>\n\n\n\n
            [1,2,3].map(x => x * 2)\n<\/code><\/pre>\n\n\n\n
            Python<\/strong><\/h3>\n\n\n\n
            list(map(lambda x: x+1, [1,2,3]))\n<\/code><\/pre>\n\n\n\n
            \n\n\n\n
            \u2b50 \u4e00\u53e5\u8bdd\u603b\u7ed3<\/h2>\n\n\n\n
            \n
            \u51fd\u6570\u5f0f\u7f16\u7a0b = \u7eaf\u51fd\u6570 + \u4e0d\u53ef\u53d8\u6570\u636e + \u7528\u8868\u8fbe\u5f0f\u63cf\u8ff0\u8ba1\u7b97\uff0c\u800c\u4e0d\u662f\u7528\u6b65\u9aa4\u63cf\u8ff0\u8ba1\u7b97\u3002<\/strong><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
            \u51fd\u6570\u5f0f\u7f16\u7a0b\uff08Functional Programming\uff0cFP\uff09\u662f\u4e00\u79cd\u628a\u201c\u8ba1\u7b97\u201d\u770b\u6210\u662f\u5bf9\u51fd\u6570\u7684\u6c42\u503c\u3001\u5e76\u4e14\u5c3d\u91cf\u907f\u514d\u6539\u53d8\u6570\u636e\u7684\u7f16\u7a0b\u8303\u5f0f …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[1],"tags":[9],"class_list":["post-48","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-9"],"_links":{"self":[{"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/posts\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":1,"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/posts\/48\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.bandifee.com\/index.php\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}