{"id":18084,"date":"2023-02-22T17:20:41","date_gmt":"2023-02-22T09:20:41","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=18084"},"modified":"2023-07-30T22:57:49","modified_gmt":"2023-07-30T14:57:49","slug":"partial-application-%e5%92%8c-currying-%e5%9c%a8%e5%ae%9e%e9%99%85%e7%bc%96%e7%a8%8b%e4%b8%ad%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/18084.html","title":{"rendered":"Partial application \u548c currying \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7684\u533a\u522b\u662f\u4ec0\u4e48"},"content":{"rendered":"
\n

Partial application \u548c currying \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7684\u533a\u522b\u662f\uff1acurrying\u63cf\u8ff0\u7684\u662f\u51fd\u6570\u53d8\u6362\u7684\u8fc7\u7a0b\uff0c\u628a\u4e00\u4e2a\u53c2\u6570\u4e3aX\u00d7Y\u00d7Z\u800c\u7ed3\u679c\u4e3aN\u7c7b\u578b\u7684\u51fd\u6570f\u53d8\u6362\u6210\u4e86\u4e00\u4e2a\u53c2\u6570\u4e3aX\uff0c\u8fd4\u56de\u503c\u4e3aY->(Z->N)\u7c7b\u578b\u7684\u51fd\u6570\uff1b\u800cpartial application\u5219\u662f\u5728\u51fd\u6570\u8c03\u7528\u65f6\u624d\u8d77\u4f5c\u7528\u7684\u3002<\/p>\n<\/blockquote>\n

\n
\"\"<\/figure>\n<\/div>\n

\u4e00\u3001Partial application \u548c currying \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7684\u533a\u522b<\/strong><\/h2>\n

currying\u63cf\u8ff0\u7684\u662f\u51fd\u6570\u53d8\u6362\u7684\u8fc7\u7a0b\uff0c\u628a\u4e00\u4e2a\u53c2\u6570\u4e3aX\u00d7Y\u00d7Z\u800c\u7ed3\u679c\u4e3aN\u7c7b\u578b\u7684\u51fd\u6570f\u53d8\u6362\u6210\u4e86\u4e00\u4e2a\u53c2\u6570\u4e3aX\uff0c\u8fd4\u56de\u503c\u4e3aY->(Z->N)\u7c7b\u578b\u7684\u51fd\u6570\u3002currying\u4e0d\u8981\u6c42\u8fdb\u884c\u51fd\u6570\u8c03\u7528\uff0c\u53ea\u662f\u5bf9\u51fd\u6570\u672c\u8eab\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7406\u89e3\u6210\u5728\u51fd\u6570\u8fdb\u884c\u5b9a\u4e49\u65f6\u6240\u505a\u7684\u53d8\u6362\u3002<\/p>\n

\u800cpartial application\u5219\u662f\u5728\u51fd\u6570\u8c03\u7528\u65f6\u624d\u8d77\u4f5c\u7528\u7684\uff08\u5b83\u672c\u6765\u5c31\u53eb\u505apartial function application\uff0c\u90e8\u5206\uff0c\u51fd\u6570\uff0c\u5e94\u7528\uff09\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u8bed\u8a00\u4e3a\u51fd\u6570\u8c03\u7528\u673a\u5236\u52a0\u5165\u7684\u65b9\u4fbf\u529f\u80fd\u3002\u5c31\u7b97\u6ca1\u6709currying\uff0c\u4e5f\u53ef\u4ee5\u5728\u7f16\u7a0b\u8bed\u8a00\u4e2d\u505a\u5230partial application\uff08\u53ea\u8981\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u6784\u9020\u95ed\u5305\uff09\u3002<\/p>\n

1\u3001\u5b83\u4eec\u90fd\u662f\u9ad8\u9636\u51fd\u6570<\/p>\n

2\u3001\u5b83\u4eec\u90fd\u662f\u628a\u591a\u5143\u51fd\u6570\u8f6c\u6362\u6210\u66f4\u4f4e\u5143\u7684\u51fd\u6570<\/p>\n

3\u3001\u504f\u51fd\u6570\u53ea\u8fd4\u56de\u4e00\u6b21\u63a5\u53d7\u5269\u4f59\u53c2\u6570\u7684\u51fd\u6570\uff0c\u67ef\u7406\u5316\u4f1a\u8ffd\u8ff0\u5230\u6240\u6709\u53c2\u6570\u8865\u9f50\u624d\u4f1a\u771f\u6b63\u6267\u884c<\/p>\n

4\u3001\u67ef\u7406\u5316\u5c31\u662f\u81ea\u52a8\u5316\u7684\u504f\u51fd\u6570\u5e94\u7528<\/p>\n

\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n

\u4e8c\u3001\u504f\u51fd\u6570(Partial Application)\u7684\u5b9e\u73b0\u8fc7\u7a0b<\/strong><\/h2>\n

\u4e00\u8d77\u5206\u6790\u4e00\u4e0b\u504f\u51fd\u6570(Partial Application)\u7684\u5b9e\u73b0\u8fc7\u7a0b\u3002<\/p>\n

\u9996\u5148\uff0c\u504f\u51fd\u6570\u4e5f\u662f\u4e00\u4e2a\u9ad8\u9636\u51fd\u6570\uff0c\u5176\u5b9e\u73b0\u7b26\u5408\u9ad8\u9636\u51fd\u6570\u7684\u6a21\u578b\uff1a<\/p>\n

    \n
  • \u63a5\u53d7\u4e00\u4e2a\u6216\u591a\u4e2a\u51fd\u6570\u4f5c\u4e3a\u8f93\u5165<\/li>\n
  • \u8f93\u51fa\u4e00\u4e2a\u51fd\u6570<\/li>\n<\/ul>\n

    \u5b83\u9700\u8981\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u540d\u5217\u524d\u8305\u4e2a\u53c2\u6570\uff0c\u5e76\u4e14\u8fd4\u56de\u503c\u4e5f\u662f\u4e00\u4e2a\u51fd\u6570<\/p>\n

    function<\/strong> partial(fn){<\/p>\n

    \u00a0\u00a0\u00a0 return<\/strong> function<\/strong> restFn(){<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ \u2026<\/em><\/p>\n

    \u00a0\u00a0\u00a0 }<\/p>\n

    }<\/p>\n

    \u5176\u6b21\uff0c\u504f\u51fd\u6570\u521b\u5efa\u65f6\u53ef\u4ee5\u56fa\u5b9a\u90e8\u5206\u53c2\u6570\uff0c\u4e5f\u5373\u9664\u540d\u5217\u524d\u8305\u4e2a\u53c2\u6570fn\u4ee5\u5916\u7684\u53c2\u6570\uff0c\u90fd\u662f\u9884\u7f6e\u53c2\u6570\u3002<\/p>\n

    function<\/strong> partial(fn){<\/p>\n

    \u00a0\u00a0\u00a0 var<\/strong> args =<\/strong> [].slice.call(arguments,1)<\/p>\n

    \u00a0\u00a0\u00a0 return<\/strong> function<\/strong> restFn(){<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ \u2026<\/em><\/p>\n

    \u00a0\u00a0\u00a0 }<\/p>\n

    }<\/p>\n

    \u6700\u540e\uff0c\u63a5\u53d7\u5269\u4f59\u53c2\u6570\uff0c\u5e76\u548c\u9884\u7f6e\u53c2\u6570\u6574\u5408\uff0c\u4f5c\u4e3afn\u7684\u53c2\u6570\u6267\u884c\u5e94\u7528\u3002<\/p>\n

    function<\/strong> partial(fn){<\/p>\n

    \u00a0\u00a0\u00a0 var<\/strong> args =<\/strong> [].slice.call(arguments,1)<\/p>\n

    \u00a0\u00a0\u00a0 return<\/strong> function<\/strong>(){<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 var<\/strong> rest =<\/strong> [].slice.call(arguments)<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return<\/strong> fn.apply(null<\/strong>, args.concat(rest))<\/p>\n

    \u00a0\u00a0\u00a0 }<\/p>\n

    }<\/p>\n

    \u5bf9\u5e94\u7684es6\u5b9e\u73b0\u4ee3\u7801<\/p>\n

    const<\/strong> partial =<\/strong> (fn,\u2026args)=>(\u2026rest)=>fn.apply(null<\/strong>, args.concat(rest))<\/p>\n","protected":false},"excerpt":{"rendered":"Partial application \u548c currying \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7684\u533a\u522b\u662f\uff1acurrying\u63cf\u8ff0\u7684\u662f\u51fd […]","protected":false},"author":1,"featured_media":18085,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/18084"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=18084"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/18084\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/18085"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=18084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=18084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=18084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}