{"id":67069,"date":"2025-05-03T09:14:42","date_gmt":"2025-05-03T01:14:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67069\/"},"modified":"2025-05-03T09:14:42","modified_gmt":"2025-05-03T01:14:42","slug":"%e8%a7%a3%e5%bc%80-lambda-%e8%a1%a8%e8%be%be%e5%bc%8f%ef%bc%9a%e5%ae%83%e4%bb%ac%e6%98%af%e4%bb%80%e4%b9%88%e4%bb%a5%e5%8f%8a%e5%ae%83%e4%bb%ac%e4%b8%ba%e4%bd%95%e9%87%8d%e8%a6%81-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67069\/","title":{"rendered":"\u89e3\u5f00 Lambda \u8868\u8fbe\u5f0f\uff1a\u5b83\u4eec\u662f\u4ec0\u4e48\u4ee5\u53ca\u5b83\u4eec\u4e3a\u4f55\u91cd\u8981"},"content":{"rendered":"

\"\u89e3\u5f00<\/p>\n

\u5982\u679c\u60a8\u4e00\u76f4\u5728\u6d4f\u89c8 java\u3001 \u6216 javascript \u4e2d\u7684\u73b0\u4ee3\u7f16\u7a0b\u6982\u5ff5\u6216\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u60a8\u53ef\u80fd\u9047\u5230\u8fc7 lambda \u8868\u8fbe\u5f0f<\/strong>\u3002\u8fd9\u4e9b\u5c0f\u5b9d\u77f3\u4f7f\u60a8\u7684\u4ee3\u7801\u7b80\u6d01\u3001\u5bcc\u6709\u8868\u73b0\u529b\u4e14\u9ad8\u6548 – \u4f46\u95ee\u9898\u662f\uff0c\u5b83\u4eec\u88ab\u79f0\u4e3a\u201clambda\u201d\uff1f\u8ba9\u6211\u4eec\u4e00\u6b65\u4e00\u6b65\u6765\u7406\u89e3\u8fd9\u4e2a\u3002<\/p>\n

lambda \u8868\u8fbe\u5f0f\u5230\u5e95\u662f\u4ec0\u4e48\uff1f <\/h3>\n

\u4ece\u672c\u8d28\u4e0a\u8bb2\uff0clambda \u8868\u8fbe\u5f0f<\/strong> \u53ea\u662f\u4e00\u79cd\u65e0\u9700\u540d\u79f0\u7684\u5185\u8054\u5b9a\u4e49\u51fd\u6570\u7684\u5947\u7279\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u50cf\u4efb\u4f55\u5176\u4ed6\u53d8\u91cf\u4e00\u6837\u4f20\u9012\u533f\u540d\u51fd\u6570<\/strong>\u3002\u8fd9\u662f java \u4e2d\u7684\u793a\u4f8b\uff1a<\/p>\n

function<integer, integer> doublevalue = x -> x * 2;\nint result = doublevalue.apply(5); \/\/ output: 10 \n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u91cc\uff0cx -> x * 2 \u662f lambda \u8868\u8fbe\u5f0f\u3002\u5b83\u63a5\u53d7\u6574\u6570 x \u4f5c\u4e3a\u8f93\u5165\u5e76\u8fd4\u56de x * 2\u3002 lambda \u65e0\u9700\u4e3a\u6b64\u521b\u5efa\u5355\u72ec\u7684\u65b9\u6cd5\uff0c\u800c\u662f\u5141\u8bb8\u60a8\u5728\u540c\u4e00\u8bed\u53e5\u4e2d\u5b9e\u73b0\u8be5\u884c\u4e3a\u3002<\/p>\n
\u4f46\u662f lambda \u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u7d27\u51d1\u7684\u8bed\u53e5\u6216\u8868\u8fbe\u5f0f\uff1b\u5b83\u8fd8\u6d89\u53ca\u4e00\u4e2a\u8868\u8fbe\u5f0f\u3002\u5b83\u4eec\u5f15\u51fa\u4e86\u51fd\u6570\u5f0f\u7f16\u7a0b<\/strong>\u9ad8\u9636\u51fd\u6570\u3001\u4e0d\u53d8\u6027\u548c\u58f0\u660e\u5f0f\u7f16\u7a0b\u7b49\u6982\u5ff5\u3002<\/p>\n
 \u4e3a\u4ec0\u4e48\u4ed6\u4eec\u88ab\u79f0\u4e3a\u201clambda\u201d\uff1f <\/h3>\n
\u672f\u8bed\u201clambda\u201d\u6765\u81ealambda calculus<\/strong>\uff0c\u8fd9\u662f alonzo church \u5728 20 \u4e16\u7eaa 30 \u5e74\u4ee3\u521b\u5efa\u7684\u6570\u5b66\u7cfb\u7edf\u3002 lambda \u6f14\u7b97\u5f15\u5165\u4e86\u901a\u8fc7\u533f\u540d\u51fd\u6570\u8868\u793a\u8ba1\u7b97\u7684\u6982\u5ff5\u3002\u50cf\u201cx \u52a0\u4e00\u201d\u8fd9\u6837\u7684\u7b80\u5355\u51fd\u6570\u5728 lambda \u6f14\u7b97\u4e2d\u770b\u8d77\u6765\u50cf\u8fd9\u6837\uff1a<\/p>\n
\u03bbx.x + 1\n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u91cc\uff1a<\/p>\n
    \n
  • \u03bb\uff08lambda\uff09\u8868\u793a\u51fd\u6570\u3002<\/li>\n
  •  x \u662f\u8f93\u5165\u3002<\/li>\n
  •  x 1 \u662f\u8f93\u51fa\u3002<\/li>\n<\/ul>\n
    \u5f53\u8bed\u8a00\u8bbe\u8ba1\u8005\u548c\u5f00\u53d1\u8005\u91c7\u7528\u8fd9\u4e2a\u60f3\u6cd5\u65f6\uff0c\u4ed6\u4eec\u4fdd\u7559\u4e86\u201clambda\u201d\u8fd9\u4e2a\u540d\u5b57\u6765\u53cd\u6620\u5b83\u7684\u6570\u5b66\u8d77\u6e90\u3002 <\/p>\n
     java \u4e2d\u7684 lambda \u51fd\u6570\u5982\u4f55\u5de5\u4f5c <\/h3>\n
    java \u5728 java 8 \u4e2d\u5f15\u5165\u4e86 lambda\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u7f16\u5199\u66f4\u7b80\u6d01\u3001\u66f4\u5b9e\u7528\u7684\u4ee3\u7801\u3002 java \u4e2d\u7684 lambda \u662f\u4f7f\u7528\u51fd\u6570\u63a5\u53e3<\/strong> \u5b9e\u73b0\u7684\uff0c\u5373\u5177\u6709\u5355\u4e2a\u62bd\u8c61\u65b9\u6cd5 (sam) \u7684\u63a5\u53e3\u3002 <\/p>\n
     \u4e3a\u4ec0\u4e48\u9700\u8981\u51fd\u6570\u5f0f\u63a5\u53e3\uff1f <\/h4>\n
      \n
    •  \u7c7b\u578b\u5b89\u5168<\/strong>\uff1a\u51fd\u6570\u5f0f\u63a5\u53e3\u4e3a lambda \u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u7c7b\u578b\u4e0a\u4e0b\u6587\u3002\u5b83\u4eec\u5b9a\u4e49\u4e86 lambda \u5fc5\u987b\u5b9e\u73b0\u7684\u65b9\u6cd5\u7b7e\u540d\uff0c\u786e\u4fdd\u53c2\u6570\u548c\u8fd4\u56de\u7c7b\u578b\u6b63\u786e\u3002<\/li>\n
    •  \u4e0e\u7c7b\u578b\u7cfb\u7edf\u96c6\u6210<\/strong>\uff1a\u901a\u8fc7\u5c06 lambda \u8868\u8fbe\u5f0f\u7ed1\u5b9a\u5230\u51fd\u6570\u5f0f\u63a5\u53e3\uff0cjava \u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u5229\u7528\u5176\u5f3a\u5927\u7684\u7c7b\u578b\u68c0\u67e5\u529f\u80fd\uff0c\u9632\u6b62\u53c2\u6570\u6216\u8fd4\u56de\u7c7b\u578b\u4e0d\u5339\u914d\u3002\u8fd9\u662f\u56e0\u4e3a java \u662f\u4e00\u79cd\u9759\u6001\u7c7b\u578b\u8bed\u8a00\u3002<\/li>\n
    •  \u4e0e\u73b0\u6709\u4ee3\u7801\u65e0\u7f1d\u96c6\u6210<\/strong>\uff1a\u50cf runnable \u548c comparator \u8fd9\u6837\u7684\u51fd\u6570\u5f0f\u63a5\u53e3\u5728 lambda \u4e4b\u524d\u5c31\u5df2\u5b58\u5728\u3002 java \u5c06 lambda \u4e0e\u8fd9\u4e9b\u63a5\u53e3\u8054\u7cfb\u8d77\u6765\u7684\u51b3\u5b9a\u786e\u4fdd\u4e86\u5411\u540e\u517c\u5bb9\u6027\u3002\u5bf9\u4e8e\u8f83\u65b0\u7248\u672c\u7684 java\uff0c\u8fd9\u4e9b\u63a5\u53e3\u662f\u51fd\u6570\u5f0f\u63a5\u53e3\u3002<\/li>\n<\/ul>\n
      \u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n
      @functionalinterface\ninterface stringprocessor {\n    string process(string input);\n}\n\nstringprocessor touppercase = input -> input.touppercase();\nsystem.out.println(touppercase.process(\"hello\")); \/\/ output: hello\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570\u63a5\u53e3 stringprocessor \u786e\u4fdd lambda \u4e0e process \u65b9\u6cd5\u7684\u7b7e\u540d\u5339\u914d\uff08\u5c06 string \u4f5c\u4e3a\u8f93\u5165\u5e76\u8fd4\u56de string\uff09\u3002<\/p>\n
       lambda \u5df2\u4f20\u9012\u5e76\u8fd4\u56de <\/h3>\n
      lambda \u8868\u8fbe\u5f0f\u5728\u4f5c\u4e3a\u53c2\u6570<\/strong>\u4f20\u9012\u6216\u4ece\u65b9\u6cd5<\/strong>\u8fd4\u56de\u65f6\u8868\u73b0\u51fa\u8272\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u9636\u7f16\u7a0b\u3002\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\uff1a<\/p>\n
       \u5c06 lambda \u4f5c\u4e3a\u53c2\u6570\u4f20\u9012 <\/h4>\n
      lambda \u53ef\u4ee5\u4f20\u9012\u7ed9\u9700\u8981\u51fd\u6570\u63a5\u53e3\u7684\u65b9\u6cd5\uff0c\u5141\u8bb8\u60a8\u52a8\u6001\u5b9a\u4e49\u81ea\u5b9a\u4e49\u884c\u4e3a\uff1a<\/p>\n
      import java.util.function.function;\n\npublic class lambdaexample {\n    public static void main(string[] args) {\n        function<string, string> touppercase = input -> input.touppercase();\n        printprocessed(\"hello\", touppercase); \/\/ output: hello\n    }\n\n    static void printprocessed(string input, function<string, string> processor) {\n        system.out.println(processor.apply(input));\n    }\n}\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u6b64\u793a\u4f8b\u4e2d\uff0ctouppercase lambda \u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 printprocessed\u3002\u8be5\u65b9\u6cd5\u52a8\u6001\u6267\u884c lambda \u7684\u903b\u8f91\u3002<\/p>\n
       \u4ece\u65b9\u6cd5\u8fd4\u56de lambda <\/h4>\n
      lambda \u4e5f\u53ef\u4ee5\u901a\u8fc7\u65b9\u6cd5\u8fd4\u56de\uff0c\u4ece\u800c\u53ef\u4ee5\u8f7b\u677e\u751f\u6210\u81ea\u5b9a\u4e49\u884c\u4e3a\uff1a<\/p>\n
      import java.util.function.function;\n\npublic class lambdaexample {\n    public static void main(string[] args) {\n        function<string, string> exclamationadder = createexclamationadder();\n        system.out.println(exclamationadder.apply(\"hello\")); \/\/ output: hello!\n    }\n\n    static function<string, string> createexclamationadder() {\n        return input -> input + \"!\";\n    }\n}\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u6b64\u793a\u4f8b\u4e2d\uff0ccreateexclamationadder \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5c06\u611f\u53f9\u53f7\u9644\u52a0\u5230\u5b57\u7b26\u4e32\u7684 lambda\u3002\u8fd9\u5c55\u793a\u4e86 lambda \u5982\u4f55\u5c01\u88c5\u884c\u4e3a\u4ee5\u4f9b\u91cd\u7528\u3002<\/p>\n
      @functionalinterface\ninterface calculator {\n    int calculate(int a, int b);\n\n    default void printcalculation(int a, int b) {\n        system.out.println(\"calculating with inputs: \" + a + \", \" + b);\n    }\n\n    static void showinfo() {\n        system.out.println(\"this is a calculator functional interface.\");\n    }\n}\n\ncalculator addition = (a, b) -> a + b;\naddition.printcalculation(10, 20); \/\/ prints: calculating with inputs: 10, 20\nsystem.out.println(\"result: \" + addition.calculate(10, 20)); \/\/ prints: result: 30\ncalculator.showinfo(); \/\/ prints: this is a calculator functional interface.\n<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
       \u4e3a\u4ec0\u4e48\u9ed8\u8ba4\u548c\u9759\u6001\u65b9\u6cd5\u662f\u51fd\u6570\u5f0f\u63a5\u53e3\u7684\u4e00\u90e8\u5206\uff1f <\/h4>\n
        \n
      1. \n
        \u5411\u540e\u517c\u5bb9\u6027<\/strong>\uff1a\u5f53 java \u5f15\u5165 lambda \u65f6\uff0c\u9ed8\u8ba4\u65b9\u6cd5\u5141\u8bb8\u5411\u73b0\u6709\u63a5\u53e3\uff08\u5982 list \u6216 comparator\uff09\u6dfb\u52a0\u65b0\u529f\u80fd\uff0c\u800c\u4e0d\u4f1a\u7834\u574f\u65e7\u7684\u5b9e\u73b0\u3002<\/p>\n<\/li>\n
      2. \n
        \u5b9e\u7528\u6027\u548c\u53ef\u91cd\u7528\u6027<\/strong>\uff1a\u9759\u6001\u65b9\u6cd5\u63d0\u4f9b\u4e86\u65e0\u9700\u63a5\u53e3\u5b9e\u4f8b\u5373\u53ef\u4f7f\u7528\u7684\u5b9e\u7528\u51fd\u6570\uff0c\u4f8b\u5982\u793a\u4f8b\u4e2d\u7684 showinfo() \u65b9\u6cd5\u3002<\/p>\n<\/li>\n
      3. \n
        \u589e\u5f3a\u7684\u7075\u6d3b\u6027<\/strong>\uff1a\u9ed8\u8ba4\u65b9\u6cd5\u5141\u8bb8\u60a8\u4e3a\u5e38\u89c1\u64cd\u4f5c\u63d0\u4f9b\u57fa\u672c\u5b9e\u73b0\uff0c\u51cf\u5c11\u5728\u591a\u4e2a\u5730\u65b9\u91cd\u590d\u4ee3\u7801\u7684\u9700\u8981\u3002<\/p>\n<\/li>\n<\/ol>\n
        \u9759\u6001\u548c\u9ed8\u8ba4\u65b9\u6cd5\u901a\u8fc7\u5411\u51fd\u6570\u5f0f\u63a5\u53e3\u6dfb\u52a0\u5b9e\u7528\u7a0b\u5e8f\u548c\u53ef\u9009\u5171\u4eab\u884c\u4e3a\u6765\u8865\u5145 lambda\uff0c\u800c\u4e0d\u504f\u79bb\u51fd\u6570\u5f0f\u7f16\u7a0b\u8303\u4f8b\u3002<\/p>\n
         \u4e3a\u4ec0\u4e48\u8981\u5173\u5fc3 lambda\uff1f <\/h3>\n
        lambda \u8868\u8fbe\u5f0f\u4e0d\u4ec5\u4ec5\u4f7f\u4ee3\u7801\u53d8\u5f97\u7d27\u51d1\uff1b\u4ed6\u4eec\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5f00\u542f\u4e86\u4e00\u79cd\u65b0\u7684\u7f16\u7a0b\u601d\u7ef4\u65b9\u5f0f\uff1a<\/p>\n
          \n
        •  \u51cf\u5c11\u6837\u677f<\/strong>\uff1a\u901a\u8fc7\u66ff\u6362\u5197\u957f\u7684\u533f\u540d\u5185\u90e8\u7c7b\u6765\u7b80\u5316\u4ee3\u7801\u3002<\/li>\n
        •  \u542f\u7528\u51fd\u6570\u5f0f\u7f16\u7a0b<\/strong>\uff1a\u5728\u6d41\u6216\u96c6\u5408\u4e2d\u65e0\u7f1d\u5730\u4f7f\u7528\u6620\u5c04\u3001\u8fc7\u6ee4\u5668\u548c\u5f52\u7ea6\u7b49\u6982\u5ff5\u3002<\/li>\n
        •  \u63d0\u9ad8<\/strong>\uff1a\u5173\u6ce8\u884c\u4e3a\u800c\u4e0d\u662f\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n<\/ul>\n
          \u8fd9\u662f java streams \u4e2d lambda \u7684\u793a\u4f8b\uff1a<\/p>\n
          list<integer> numbers = list.of(1, 2, 3, 4, 5);\nlist<integer> evennumbers = numbers.stream()\n                                   .filter(n -> n % 2 == 0)\n                                   .tolist();\nsystem.out.println(evennumbers); \/\/ output: [2, 4]\n<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          lambda n -> n % 2 == 0 \u76f4\u63a5\u8868\u8fbe\u8fc7\u6ee4\u903b\u8f91\uff0c\u4f7f\u4ee3\u7801\u58f0\u660e\u5f0f\u4e14\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n
           \u7ed3\u675f\u8bed <\/h3>\n
          lambda \u7f16\u7a0b\u662f\u901a\u8fc7\u5c06\u51fd\u6570\u89c6\u4e3a\u4e00\u7b49\u516c\u6c11\u6765\u7f16\u5199\u66f4\u7b80\u6d01\u3001\u66f4\u5177\u8868\u73b0\u529b\u7684\u4ee3\u7801\uff08\u5b83\u4eec\u53ef\u4ee5\uff1a\u5206\u914d\u7ed9\u53d8\u91cf\u3001\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\u3001\u4ece\u5176\u4ed6\u51fd\u6570\u8fd4\u56de\uff09\u3002\u65e0\u8bba\u60a8\u4f7f\u7528 java\u3001python \u8fd8\u662f javascript\uff0c\u7406\u89e3 lambda \u90fd\u53ef\u4ee5\u5e2e\u52a9\u60a8\u7f16\u5199\u66f4\u597d\u7684\u4ee3\u7801\u3001\u89e3\u9501\u51fd\u6570\u5f0f\u7f16\u7a0b\u6982\u5ff5\u5e76\u66f4\u4f18\u96c5\u5730\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n
          \u6240\u4ee5\uff0c\u4e0b\u6b21\u4f60\u770b\u5230\u8fd9\u6837\u7684\u884c\u65f6\uff1a<\/p>\n
          StringProcessor toUpperCase = input -> input.toUpperCase();\n<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \u8bf7\u8bb0\u4f4f\uff0c\u60a8\u4e0d\u4ec5\u4ec5\u662f\u5728\u7f16\u5199\u533f\u540d\u51fd\u6570\uff0c\u60a8\u6b63\u5728\u5229\u7528\u690d\u6839\u4e8e\u6570\u5341\u5e74\u8ba1\u7b97\u673a\u79d1\u5b66\u548c\u6570\u5b66\u7684\u5f3a\u5927\u8303\u4f8b\u3002\u5feb\u4e50\u7f16\u7801\uff01<\/p>\n
          \u4ee5\u4e0a\u5c31\u662f\u89e3\u5f00 Lambda \u8868\u8fbe\u5f0f\uff1a\u5b83\u4eec\u662f\u4ec0\u4e48\u4ee5\u53ca\u5b83\u4eec\u4e3a\u4f55\u91cd\u8981\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u5982\u679c\u60a8\u4e00\u76f4\u5728\u6d4f\u89c8 java\u3001 \u6216 javascript \u4e2d\u7684\u73b0\u4ee3\u7f16\u7a0b\u6982\u5ff5\u6216\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u60a8\u53ef\u80fd\u9047\u5230\u8fc7 lambda \u8868\u8fbe\u5f0f\u3002\u8fd9\u4e9b\u5c0f\u5b9d\u77f3\u4f7f\u60a8\u7684\u4ee3\u7801\u7b80\u6d01\u3001\u5bcc\u6709\u8868\u73b0\u529b\u4e14\u9ad8\u6548 – \u4f46\u95ee\u9898\u662f\uff0c\u5b83\u4eec\u88ab\u79f0\u4e3a\u201clambda\u201d\uff1f\u8ba9\u6211\u4eec\u4e00\u6b65\u4e00\u6b65\u6765\u7406\u89e3\u8fd9\u4e2a\u3002 lambda \u8868\u8fbe\u5f0f\u5230\u5e95\u662f\u4ec0\u4e48\uff1f \u4ece\u672c\u8d28\u4e0a\u8bb2\uff0clambda \u8868\u8fbe\u5f0f \u53ea\u662f\u4e00\u79cd\u65e0\u9700\u540d\u79f0\u7684\u5185\u8054\u5b9a\u4e49\u51fd\u6570\u7684\u5947\u7279\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u50cf\u4efb\u4f55\u5176\u4ed6\u53d8\u91cf\u4e00\u6837\u4f20\u9012\u533f\u540d\u51fd\u6570\u3002\u8fd9\u662f java \u4e2d\u7684\u793a\u4f8b\uff1a function<integer, integer> doublevalue = x -> x * 2; int result = doublevalue.apply(5); \/\/ output: 10 \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u91cc\uff0cx -> x * 2 \u662f lambda \u8868\u8fbe\u5f0f\u3002\u5b83\u63a5\u53d7\u6574\u6570 x \u4f5c\u4e3a\u8f93\u5165\u5e76\u8fd4\u56de x * 2\u3002 lambda \u65e0\u9700\u4e3a\u6b64\u521b\u5efa\u5355\u72ec\u7684\u65b9\u6cd5\uff0c\u800c\u662f\u5141\u8bb8\u60a8\u5728\u540c\u4e00\u8bed\u53e5\u4e2d\u5b9e\u73b0\u8be5\u884c\u4e3a\u3002 \u4f46\u662f lambda \u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u7d27\u51d1\u7684\u8bed\u53e5\u6216\u8868\u8fbe\u5f0f\uff1b\u5b83\u8fd8\u6d89\u53ca\u4e00\u4e2a\u8868\u8fbe\u5f0f\u3002\u5b83\u4eec\u5f15\u51fa\u4e86\u51fd\u6570\u5f0f\u7f16\u7a0b\u9ad8\u9636\u51fd\u6570\u3001\u4e0d\u53d8\u6027\u548c\u58f0\u660e\u5f0f\u7f16\u7a0b\u7b49\u6982\u5ff5\u3002 \u4e3a\u4ec0\u4e48\u4ed6\u4eec\u88ab\u79f0\u4e3a\u201clambda\u201d\uff1f \u672f\u8bed\u201clambda\u201d\u6765\u81ealambda calculus\uff0c\u8fd9\u662f alonzo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-67069","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=67069"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67069\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}