{"id":100602,"date":"2026-09-04T21:41:05","date_gmt":"2026-09-04T13:41:05","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100602.html"},"modified":"2026-09-04T21:41:05","modified_gmt":"2026-09-04T13:41:05","slug":"%e4%b8%87%e7%89%a9%e7%9a%86%e5%8f%af%e5%a4%9a%e7%ba%bf%e7%a8%8b%ef%bc%9f%e6%b7%b1%e5%85%a5%e8%a7%a3%e8%af%bb-rust-%e7%9a%84-send-%e5%92%8c-sync","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100602.html","title":{"rendered":"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260904134103-6a9aca6fdbab9.png\" alt=\"\" \/><\/p>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>1. \u6545\u4e8b\u59cb\u4e8e\u201c\u6570\u636e\u7ade\u4e89\u201d<\/li>\n<li>2. Sync \u5835\u4e0a\u4e86\u4e0d\u53ef\u53d8\u5f15\u7528\u7684\u6f0f\u6d1e<\/li>\n<li>3. Send \u5835\u4e0a\u4e86\u8de8\u7ebf\u7a0b move \u7684\u6f0f\u6d1e<\/li>\n<li>4. Send \/ Sync \u66f4\u6df1\u5c42\u6210\u56e0\u7684\u6d1e\u5bdf<\/li>\n<li>5. \u5728\u6253\u6807\u8bb0\u8fd9\u4ef6\u4e8b\u4e0a\u7f16\u8bd1\u5668\u505a\u4e86\u4ec0\u4e48&#xff1f;<\/li>\n<li>6. \u4e3a\u4ec0\u4e48\u5176\u4ed6\u8bed\u8a00\u91cc\u6ca1\u6709 Send \/ Sync<\/li>\n<\/ul>\n<p>\u5766\u7387\u5730\u8bf4&#xff0c;\u76ee\u524d\u5927\u591a\u6570\u4ecb\u7ecd Send \/ Sync \u7684\u6587\u7ae0\u90fd\u6709\u4e9b\u201c\u9694\u9774\u6414\u75d2\u201d\u7684\u611f\u89c9&#xff0c;\u5b83\u4eec\u786e\u5b9e\u4ecb\u7ecd\u4e86\u8fd9\u4e24\u4e2a Trait \u4f46\u8bfb\u5b8c\u4e4b\u540e\u53c8\u611f\u89c9\u597d\u50cf\u4ec0\u4e48\u4e5f\u6ca1\u8bf4\u3002Send \/ Sync \u53ea\u662f\u4e24\u4e2a\u6807\u8bb0\u7279\u8d28&#xff08;Marker Trait&#xff09;&#xff0c;\u6ca1\u6709\u4efb\u4f55\u5173\u8054\u65b9\u6cd5&#xff0c;\u5b83\u4eec\u552f\u4e00\u7684\u7528\u9014\u662f\u51fa\u73b0\u5728\u7ea6\u675f\u91cc&#xff0c;\u8ba9\u7f16\u8bd1\u5668\u505a\u7c7b\u578b\u68c0\u67e5\u3002\u53ea\u9700\u5be5\u5be5\u6570\u8bed&#xff0c;Send \/ Sync \u5c31\u89e3\u91ca\u5b8c\u4e86&#xff0c;\u4f46\u8fd9\u4e5f\u6b63\u662f\u5b83\u4eec\u6700\u96be\u7406\u89e3\u7684\u5730\u65b9&#xff0c;\u5f88\u591a\u4eba\u90fd\u5bf9\u8fd9\u4e24\u4e2a Trait \u7684\u7531\u6765\u548c\u4f5c\u7528\u611f\u5230\u56f0\u60d1&#xff0c;\u8981\u5b8c\u5168\u7406\u89e3\u5b83\u4eec\u65e2\u9700\u8981\u5bf9 Rust \u7684\u6240\u6709\u6743\u548c\u501f\u7528\u68c0\u67e5\u6709\u6df1\u523b\u7684\u8ba4\u8bc6&#xff0c;\u53c8\u9700\u8981\u4e00\u4e2a\u4e0e\u7ebf\u7a0b\u5b89\u5168\u76f8\u5173\u7684\u201c\u4e0a\u4e0b\u6587\u201d\u3002\u672c\u6587&#xff0c;\u6211\u4eec\u4f1a\u5e26\u9886\u5927\u5bb6\u628a Send \/ Sync \u8fd9\u4e24\u4e2a Trait \u5f7b\u5e95\u641e\u660e\u767d\u3002<\/p>\n<h2>1. \u6545\u4e8b\u59cb\u4e8e\u201c\u6570\u636e\u7ade\u4e89\u201d<\/h2>\n<p>\u6570\u636e\u7ade\u4e89\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u4e2d\u552f\u4e00\u7684\u95ee\u9898&#xff0c;\u4f46\u4e00\u5b9a\u662f\u53d1\u751f\u9891\u7387\u548c\u8ba8\u8bba\u5ea6\u6700\u9ad8\u7684\u3002\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b&#xff0c;\u5982\u679c\u6709\u4e24\u4e2a\u4ee5\u4e0a\u7684\u6307\u9488\u6216\u5f15\u7528\u6307\u5411\u540c\u4e00\u4e2a\u6570\u636e&#xff0c;\u4e14\u81f3\u5c11\u6709\u4e00\u4e2a\u6307\u9488\u6216\u5f15\u7528\u4f1a\u5199\u6570\u636e&#xff0c;\u5728\u6ca1\u6709\u540c\u6b65\u4fdd\u62a4&#xff08;\u4f8b\u5982\u52a0\u9501&#xff09;\u7684\u60c5\u51b5\u4e0b\u5c31\u4f1a\u51fa\u73b0\u201c\u6570\u636e\u7ade\u4e89\u201d\u95ee\u9898\u3002\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u201c\u8f6c\u8d26\u95ee\u9898\u201d\u5c31\u662f\u4e00\u4e2a\u975e\u5e38\u5178\u578b\u7684\u6848\u4f8b&#xff1a;\u6b63\u5e38\u60c5\u51b5\u4e0b&#xff0c;\u591a\u4e2a\u8d26\u6237\u4e4b\u95f4\u76f8\u4e92\u8f6c\u8d26&#xff0c;\u65e0\u8bba\u7ecf\u5386\u591a\u5c11\u8f6e\u64cd\u4f5c&#xff0c;\u6240\u6709\u8d26\u6237\u7684\u91d1\u989d\u603b\u548c\u662f\u4e0d\u4f1a\u53d8\u7684&#xff1b;\u4f46\u4e00\u65e6\u53d8\u6210\u591a\u7ebf\u7a0b\u5e76\u53d1\u64cd\u4f5c&#xff0c;\u5982\u679c\u4e0d\u5bf9\u201c\u8d26\u6237\u4f59\u989d\u201d\u65bd\u52a0\u540c\u6b65\u4fdd\u62a4&#xff0c;\u5219\u591a\u8f6e\u8f6c\u8d26\u8fc7\u540e&#xff0c;\u6240\u6709\u8d26\u6237\u7684\u91d1\u989d\u603b\u548c\u5c31\u53ef\u80fd\u4f1a\u53d1\u751f\u6539\u53d8&#xff0c;\u8fd9\u662f\u5f88\u4e25\u91cd\u7684 bug&#xff0c;\u4f46\u53ea\u4f1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u624d\u4f1a\u53d1\u751f&#xff0c;\u5e76\u4e14\u5f88\u96be\u8ffd\u8e2a&#xff0c;\u56e0\u4e3a\u8f6c\u8d26\u64cd\u4f5c\u672c\u8eab\u5e76\u6ca1\u6709\u903b\u8f91\u9519\u8bef\u3002\u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d&#xff0c;\u8d26\u6237\u603b\u91d1\u989d\u88ab\u6539\u53d8\u7684\u8fd9\u79cd\u73b0\u8c61\u53eb\u201c\u6570\u636e\u8150\u8680\u201d&#xff0c;\u8d26\u6237\u4f59\u989d\u5c31\u662f\u88ab\u201c\u7ade\u4e89\u201d\u7684\u6570\u636e&#xff0c;\u6570\u636e\u8150\u8680\u662f\u6570\u636e\u7ade\u4e89\u5bfc\u81f4\u7684\u4e00\u79cd\u5178\u578b\u9519\u8bef\u3002<\/p>\n<p>\u5728\u4e00\u822c\u7684\u7f16\u7a0b\u8bed\u8a00\u4e2d\u662f\u5982\u4f55\u907f\u514d\u6570\u636e\u7ade\u4e89\u7684\u5462&#xff1f;\u7b54\u6848\u662f&#xff1a;\u4e0d\u7ba1&#xff01;\u8fd9\u662f\u7a0b\u5e8f\u5458\u7684\u4e8b&#xff01;\u5e76\u975e\u662f\u8fd9\u4e9b\u8bed\u8a00\u201c\u50b2\u5a07\u201d&#xff0c;\u8ba9\u7f16\u8bd1\u5668\u53bb\u5206\u6790\u7a0b\u5e8f\u7684\u52a8\u6001\u6267\u884c\u8fc7\u7a0b\u5e76\u627e\u51fa\u6f5c\u5728\u7684\u5e76\u53d1\u95ee\u9898\u662f\u4e00\u79cd\u5f88\u201c\u5929\u771f\u201d\u7684\u60f3\u6cd5&#xff0c;\u8fd9\u8d85\u51fa\u4e86\u7f16\u8bd1\u5668\u7684\u80fd\u529b\u8303\u56f4\u3002\u90a3 Rust \u5462&#xff1f;\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a&#xff0c;Rust \u4e0d\u662f\u4e00\u95e8\u201c\u4e00\u822c\u201d\u7684\u8bed\u8a00&#xff0c;\u9488\u5bf9\u8fd9\u4e2a\u5176\u4ed6\u8bed\u8a00\u90fd\u4e0d\u7ba1\u7684\u95ee\u9898&#xff0c;Rust \u6709\u81ea\u5df1\u7684\u5e94\u5bf9\u4e4b\u9053&#xff0c;\u4f46\u5b83\u7684\u201c\u7ba1\u201d\u6cd5\u5e76\u4e0d\u662f\u843d\u811a\u5230\u7ebf\u7a0b\u673a\u5236\u4e0a&#xff0c;\u800c\u662f\u9760\u5b83\u7684\u6240\u6709\u6743\u548c\u501f\u7528\u89c4\u5219\u201c\u786c\u63a7\u201d\u4e86\u6570\u636e\u7ade\u4e89&#xff0c;\u5f88\u5947\u602a\u5bf9\u5417&#xff1f;\u8fd9\u662f\u600e\u4e48\u53d1\u751f\u7684\u5462&#xff1f;<\/p>\n<p>\u6700\u521d&#xff0c;\u4e3a\u4e86\u5e94\u5bf9\u5185\u5b58\u5b89\u5168\u95ee\u9898&#xff0c;Rust \u89c4\u5b9a&#xff1a;\u201c\u5bf9\u4e8e\u4e00\u4e2a\u503c\u800c\u8a00&#xff0c;\u5728\u4efb\u610f\u65f6\u523b&#xff0c;\u8981\u4e48\u6709\u4efb\u610f\u591a\u4e2a\u4e0d\u53ef\u53d8\u5f15\u7528 &amp;T&#xff08;\u5171\u4eab\u8bbf\u95ee&#xff0c;\u53ea\u8bfb&#xff09;&#xff0c;\u8981\u4e48\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u53ef\u53d8\u5f15\u7528 &amp;mut T&#xff08;\u72ec\u5360\u4f7f\u7528&#xff0c;\u53ef\u8bfb\u53ef\u5199&#xff09;\u201d\u3002\u540e\u6765&#xff0c;\u4eba\u4eec\u53d1\u73b0\u501f\u7528\u89c4\u5219\u540c\u6837\u9002\u7528\u4e8e\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u5b83\u660e\u786e\u963b\u6b62\u4e86\u4ea7\u751f\u6570\u636e\u7ade\u4e89\u7684\u4e24\u4e2a\u5fc5\u8981\u6761\u4ef6&#xff1a;Aliasing&#xff08;\u522b\u540d&#xff0c;\u5c31\u662f\u201c\u5171\u4eab\u8bfb\u53d6\u201d&#xff09;\u548c Mutation&#xff08;\u53ef\u53d8&#xff0c;\u5c31\u662f\u201c\u4fee\u6539\u201d&#xff09;\u88ab\u540c\u65f6\u6ee1\u8db3\u3002\u5c3d\u7ba1\u8fd9\u5df2\u7ecf\u89e3\u91ca\u5f97\u5f88\u76f4\u767d\u4e86&#xff0c;\u4f46\u4e3a\u4e86\u9632\u6b62\u90e8\u5206\u57fa\u7840\u8584\u5f31\u7684\u8bfb\u8005\u7406\u89e3\u4e0d\u4e86&#xff0c;\u6211\u518d\u89e3\u91ca\u4e00\u4e0b&#xff0c;\u8fd9\u4e5f\u662f\u6211\u4eec\u672c\u8282\u4ea7\u51fa\u7684\u6700\u5173\u952e\u7ed3\u8bba&#xff1a;<\/p>\n<p>\u7531\u4e8e\u501f\u7528\u89c4\u5219\u89c4\u5b9a&#xff1a;\u5bf9\u4e8e\u4e00\u4e2a\u503c\u800c\u8a00&#xff0c;\u5728\u4efb\u610f\u65f6\u523b&#xff0c;\u8981\u4e48\u6709\u4efb\u610f\u591a\u4e2a\u4e0d\u53ef\u53d8\u5f15\u7528 &amp;T&#xff08;\u5171\u4eab\u8bbf\u95ee&#xff0c;\u53ea\u8bfb&#xff09;&#xff0c;\u8981\u4e48\u6709\u4e14\u53ea\u6709\u4e00\u4e2a\u53ef\u53d8\u5f15\u7528 &amp;mut T&#xff08;\u72ec\u5360\u4f7f\u7528&#xff0c;\u53ef\u8bfb\u53ef\u5199&#xff09;&#xff0c;\u5219\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b&#xff0c;\u6c38\u8fdc\u4e0d\u4f1a\u51fa\u73b0&#xff1a;\u4e00\u4e2a\u7ebf\u7a0b\u6b63\u5728\u901a\u8fc7 &amp;T \u8bfb\u53d6\u503c\u7684\u65f6\u5019&#xff0c;\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u6b63\u5728\u901a\u8fc7 &amp;mut T \u6539\u5199\u503c\u7684\u60c5\u5f62&#xff0c;\u8fd9\u662f\u501f\u7528\u89c4\u5219\u53ef\u4ee5\u4ece\u6839\u672c\u4e0a\u6d88\u9664\u6570\u636e\u7ade\u4e89\u7684\u6838\u5fc3\u539f\u56e0\u3002<\/p>\n<p>\u5173\u4e8e\u4e3a\u4ec0\u4e48\u501f\u7528\u89c4\u5219\u80fd\u201c\u8de8\u754c\u201d\u4f5c\u7528\u5230\u7ebf\u7a0b\u5b89\u5168\u4e0a&#xff0c;\u8fd9\u662f\u4e00\u4e2a\u5f88\u201c\u8ff7\u201d\u7684\u8bdd\u9898&#xff0c;\u53ef\u4ee5\u786e\u5b9a\u7684\u662f&#xff1a;\u5728\u8bbe\u8ba1\u501f\u7528\u89c4\u5219\u4e4b\u521d&#xff0c;\u4eba\u4eec\u786e\u5b9e\u4e0d\u77e5\u9053\u5b83\u4e5f\u80fd\u7528\u4e8e\u6d88\u9664\u6570\u636e\u7ade\u4e89&#xff0c;\u8fd9\u662f\u540e\u6765\u624d\u53d1\u73b0\u7684\u201c\u7ea2\u5229\u201d\u3002Rust \u5b98\u65b9\u535a\u5ba2\u66fe\u4e8e 2015 \u5e74\u53d1\u8868\u8fc7\u4e00\u7bc7\u6587\u7ae0\u300aAaron Turon, Fearless Concurrency with Rust\u300b&#xff0c;\u4ecb\u7ecd\u4e86 Rust \u7684\u6240\u6709\u6743\u548c\u501f\u7528\u7cfb\u7edf\u6700\u521d\u5c31\u662f\u4e3a\u5185\u5b58\u5b89\u5168\u8bbe\u8ba1\u7684&#xff0c;\u53ea\u662f\u8fd9\u5957\u89c4\u5219\u6070\u597d\u4e5f\u80fd\u6d88\u9664\u6570\u636e\u7ade\u4e89&#xff0c;\u56e0\u6b64\u5e76\u53d1\u5b89\u5168\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u7b97\u662f Rust\u201c\u767d\u6361\u201d\u7684\u3002<\/p>\n<h2>2. Sync \u5835\u4e0a\u4e86\u4e0d\u53ef\u53d8\u5f15\u7528\u7684\u6f0f\u6d1e<\/h2>\n<p>\u5018\u82e5 &amp;T \u4e00\u76f4\u662f\u201c\u65e0\u61c8\u53ef\u51fb\u201d\u7684&#xff0c;\u90a3\u4e48\u6211\u4eec\u5173\u4e8e\u201c\u6570\u636e\u7ade\u4e89\u201d\u7684\u8ba8\u8bba\u5728\u4e0a\u4e00\u8282\u5c31\u201c\u5b8c\u7f8e\u6536\u5b98\u201d\u4e86&#xff0c;\u7136\u800c&#xff0c;\u4e0d\u51fa\u610f\u5916\u7684\u8bdd&#xff0c;\u4e00\u5b9a\u4f1a\u6709\u610f\u5916&#xff01;\u5728 Rust \u4e2d&#xff0c;\u6709\u4e2a UnsafeCell \u7c7b\u578b&#xff0c;\u5982\u679c\u4f60\u4e0d\u719f\u6089\u5b83&#xff0c;\u90a3\u81f3\u5c11\u5e94\u8be5\u77e5\u9053 Cell \u548c RefCell&#xff0c;\u5b83\u4eec\u90fd\u662f\u7528\u6765\u63d0\u4f9b\u201c\u5185\u90e8\u53ef\u53d8\u6027\u201d\u7684\u7279\u6b8a\u7c7b\u578b&#xff0c;UnsafeCell \u662f Rust \u6240\u6709\u201c\u5185\u90e8\u53ef\u53d8\u6027\u201d\u5e95\u5c42\u80fd\u529b\u7684\u63d0\u4f9b\u8005&#xff0c;Cell \u548c RefCell \u662f\u5efa\u7acb\u5728 UnsafeCell \u4e4b\u4e0a\u7684\u9ad8\u7ea7\u5c01\u88c5\u3002<\/p>\n<p>\u6211\u4eec\u90fd\u77e5\u9053 Cell \u548c RefCell \u7684\u80fd\u529b&#xff0c;\u5b83\u4eec\u53ef\u4ee5\u8ba9\u4e00\u4e2a\u539f\u672c\u4e0d\u53ef\u53d8\u7684\u5f15\u7528 &amp;T \u7ed5\u8fc7\u501f\u7528\u68c0\u67e5\u83b7\u5f97\u201c\u5c40\u90e8\u53ef\u53d8\u6027\u201d&#xff0c;\u8fd9\u6837&#xff0c;&amp;T \u5c31\u4e0d\u518d\u662f\u7edd\u5bf9\u610f\u4e49\u4e0a\u7684\u201c\u53ea\u8bfb\u201d\u4e86&#xff0c;\u8fd9\u4e2a\u201c\u540e\u95e8\u201d\u4e00\u65e6\u6253\u5f00&#xff0c;\u539f\u672c\u8bbe\u5b9a\u7684\u201c\u5171\u4eab\u8bfb\u53d6\u201d\u5c31\u53d8\u6210\u201c\u5171\u4eab\u4fee\u6539\u201d\u4e86&#xff0c;\u6570\u636e\u7ade\u4e89\u5c06\u4e0d\u53ef\u907f\u514d\u3002<\/p>\n<p>\u5f88\u5934\u75bc\u7684\u4e00\u4e2a\u95ee\u9898&#xff0c;\u5c40\u90e8\u53ef\u53d8\u6027\u662f\u6211\u4eec\u6240\u9700\u8981\u7684\u4e00\u79cd\u673a\u5236&#xff0c;Cell \u548c RefCell \u672c\u8eab\u6ca1\u9519&#xff0c;\u73b0\u5728\u6211\u4eec\u5f97\u60f3\u529e\u6cd5\u628a\u8fd9\u4e2a\u201c\u6f0f\u6d1e\u201d\u5835\u4e0a\u3002\u65e2\u7136\u4e00\u4e2a\u7c7b\u578b T \u7684\u4e0d\u53ef\u53d8\u5f15\u7528 &amp;T \u4e0d\u518d\u662f 100% \u7ebf\u7a0b\u5b89\u5168\u7684&#xff08;\u8fd9\u91cc\u662f\u6211\u4eec\u672c\u6587\u7b2c\u4e00\u6b21\u4f7f\u7528&#xff1a;\u201c\u4e00\u4e2a\u7c7b\u578b\u662f\u7ebf\u7a0b\u5b89\u5168\u201d\u7684\u8fd9\u79cd\u8868\u8ff0&#xff0c;\u8fd9\u79cd\u53eb\u6cd5\u4e0d\u4f1a\u51fa\u73b0\u5728\u5176\u4ed6\u8bed\u8a00\u91cc&#xff0c;\u5982\u524d\u6587\u89e3\u91ca\u7684\u90a3\u6837&#xff0c;\u5728\u5176\u4ed6\u8bed\u8a00\u91cc&#xff0c;\u7ebf\u7a0b\u5b89\u5168\u8ddf\u5177\u4f53\u7c7b\u578b\u65e0\u5173&#xff0c;\u53ea\u53d6\u51b3\u4e8e\u7ebf\u7a0b\u5bf9\u6570\u636e\u6709\u6ca1\u6709\u5e76\u53d1\u8bfb\u5199&#xff0c;\u4f46\u662f&#xff0c;\u5728 Rust \u91cc\u8fd9\u79cd\u8868\u8ff0\u5c31\u53d8\u6210\u6709\u610f\u4e49\u7684\u4e86&#xff0c;\u56e0\u4e3a\u53d7\u5230\u6240\u6709\u6743\u548c\u501f\u7528\u89c4\u5219\u7684\u7ea6\u675f&#xff0c;\u4e00\u4e2a\u7c7b\u578b\u7684\u503c\u6216\u5f15\u7528\u7684\u6570\u91cf\u548c\u51fa\u73b0\u7684\u4f4d\u7f6e\u90fd\u662f\u4e25\u683c\u53d7\u63a7\u7684&#xff0c;\u7531\u4e8e\u8fd9\u4e9b\u89c4\u5219\u7684\u9650\u5236&#xff0c;\u7edd\u5927\u591a\u6570\u7c7b\u578b\u4e0d\u53ef\u80fd\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u51fa\u73b0\u65e2\u8bfb\u53c8\u5199\u7684\u60c5\u5f62<sup class=\"footnote-ref\">1<\/sup>&#xff0c;\u6240\u4ee5\u8bf4\u5b83\u4eec\u662f\u201c\u7ebf\u7a0b\u5b89\u5168\u201d\u7684&#xff0c;\u800c\u53e6\u5916\u4e00\u4e9b\u6781\u5c11\u6570\u7684\u7c7b\u578b\u5219\u901a\u8fc7\u5404\u79cd\u201c\u540e\u95e8\u201d\u7ed5\u8fc7\u8fd9\u4e9b\u9650\u5236&#xff0c;\u90a3\u5b83\u4eec\u5c31\u662f\u201c\u7ebf\u7a0b\u4e0d\u5b89\u5168\u201d\u7684&#xff0c;\u5728\u540e\u9762\u6211\u4eec\u90fd\u4f1a\u8be6\u7ec6\u89e3\u91ca&#xff0c;\u603b\u4e4b&#xff0c;\u5728\u672c\u6587&#xff0c;\u6211\u4eec\u8bf4\u201c\u4e00\u4e2a\u7c7b\u578b\u662f\u7ebf\u7a0b\u5b89\u5168\u201d\u7684\u610f\u601d\u5c31\u662f\u8bf4\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4e0d\u4f1a\u51fa\u73b0\u4e00\u4e2a\u7ebf\u7a0b\u5728\u8bfb\u5b83&#xff0c;\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u5728\u5199\u5b83\u7684\u60c5\u5f62&#xff09;&#xff0c;\u90a3\u4e48&#xff0c;\u6211\u4eec\u5c31\u5355\u72ec\u5f15\u5165\u4e00\u4e2a\u6807\u7b7e\u6765\u6807\u8bb0\u8fd9\u4e2a\u7c7b\u578b\u7684\u4e0d\u53ef\u53d8\u5f15\u7528\u662f\u4e0d\u662f\u7edd\u5bf9\u7684\u7ebf\u7a0b\u5b89\u5168&#xff08;\u786e\u4fdd\u53ea\u8bfb&#xff0c;\u65e0\u4fee\u6539\u90e8\u5206\u6570\u636e\u7684\u80fd\u529b&#xff09;&#xff0c;\u8fd9\u5c31\u662f Sync&#xff1a;<\/p>\n<p>Sync&#xff1a;\u6807\u8bb0\u8fd9\u4e2a\u7c7b\u578b\u7684\u503c\u53ef\u4ee5\u5b89\u5168\u5730\u88ab\u591a\u4e2a\u7ebf\u7a0b\u5e76\u53d1\u8bbf\u95ee&#xff0c;\u4e5f\u5c31\u662f\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u4f7f\u7528\u5b83\u7684\u4e0d\u53ef\u53d8\u5f15\u7528 &amp;T\u662f\u5b89\u5168\u7684<\/p>\n<p>\u540c\u6837\u7684&#xff0c;\u5982\u679c\u4e00\u4e2a\u7c7b\u578b\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4f7f\u7528\u5b83\u7684\u4e0d\u53ef\u53d8\u5f15\u7528 &amp;T \u662f\u4e0d\u5b89\u5168\u7684&#xff0c;\u5c31\u8981\u4f7f\u7528 !Sync \u6807\u8bb0\u3002<\/p>\n<h2>3. Send \u5835\u4e0a\u4e86\u8de8\u7ebf\u7a0b move \u7684\u6f0f\u6d1e<\/h2>\n<p>\u9664\u4e86\u4e0d\u53ef\u53d8\u5f15\u7528\u7684\u6f0f\u6d1e\u5916&#xff0c;\u8fd8\u6709\u4e00\u4e2a\u66f4\u9690\u79d8\u7684\u6f0f\u6d1e&#xff0c;\u90a3\u5c31\u662f&#xff1a;\u7c7b\u578b\u7684\u503c\u8de8\u7ebf\u7a0b move \u540e\u4e5f\u53ef\u80fd\u4f1a\u51fa\u73b0\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u8fd9\u4e5f\u662f\u501f\u7528\u89c4\u5219\u7ba1\u7406\u4e0d\u5230\u7684\u201c\u6b7b\u89d2\u201d&#xff0c;\u9700\u8981\u4eba\u5de5\u8fdb\u884c\u6807\u8bb0\u3002\u8fd9\u4e2a\u95ee\u9898\u7406\u89e3\u8d77\u6765\u6bd4 Sync \u56f0\u96be\u8bb8\u591a&#xff0c;\u9700\u8981\u5927\u5bb6\u5bf9\u6240\u6709\u6743\u6709\u4e00\u4e2a\u6e05\u6670\u900f\u5f7b\u7684\u7406\u89e3\u3002<\/p>\n<p>\u9996\u5148&#xff0c;\u6211\u4eec\u8981\u5f04\u660e\u767d&#xff1a;\u5728\u7ebf\u7a0b\u95f4 move \u4e00\u4e2a\u503c\u4e3a\u4ec0\u4e48\u4f1a\u6709\u6f5c\u5728\u7684\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff1f;\u770b\u95ee\u9898\u8981\u5230\u6839\u4e0a\u53bb\u627e\u539f\u56e0&#xff0c;\u6211\u4eec\u8bf4\u4e00\u4e2a\u503c\u8de8\u7ebf\u7a0b move \u4e4b\u6240\u4ee5\u4f1a\u6709\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff08;\u672c\u6587\u6211\u4eec\u7279\u6307\u6570\u636e\u7ade\u4e89\u95ee\u9898&#xff09;\u4e00\u5b9a\u662f\u6709\u4ec0\u4e48\u6570\u636e\u5728 move \u540e\u4f1a\u51fa\u73b0\u4e86\u65e2\u88ab\u8bfb\u53c8\u88ab\u5199\u7684\u60c5\u51b5&#xff0c;\u6216\u8005\u8bf4\u672c\u6765\u8fd9\u79cd\u6570\u636e\u5c31\u662f\u65e2\u88ab\u8bfb\u53c8\u88ab\u5199\u7684&#xff0c;\u53ea\u662f\u5728\u5355\u7ebf\u7a0b\u73af\u5883\u4e0b\u88ab\u4eba\u4eec\u5ffd\u7565\u4e86&#xff0c;\u90a3\u4f1a\u662f\u4ec0\u4e48\u6570\u636e\u5462&#xff1f;\u6211\u4eec\u9996\u5148\u6000\u7591\u7684\u5bf9\u8c61\u5c31\u662f\u503c\u672c\u8eab&#xff0c;\u4f46\u662f&#xff0c;\u8fd9\u4e2a\u6000\u7591\u5176\u5b9e\u5f88\u5bb9\u6613\u6392\u9664&#xff0c;\u95ee\u9898\u63cf\u8ff0\u7684\u662f\u503c\u7684 move&#xff0c;move \u53ea\u4f1a\u6539\u53d8\u6240\u6709\u6743&#xff08;\u7531\u7f16\u8bd1\u5668\u8bb0\u5f55\u4e0b\u8c01&#xff08;\u54ea\u4e2a\u53d8\u91cf&#xff08;\u7ed1\u5b9a&#xff09;&#xff09;\u5c06\u8d1f\u8d23\u6700\u540e\u9500\u6bc1\u503c&#xff09;&#xff0c;\u4e0d\u4f1a\u4fee\u6539\u4efb\u4f55\u6570\u636e\u3002\u8fd9\u91cc\u53ef\u80fd\u6709\u4eba\u4f1a\u62c5\u5fc3&#xff1a;\u4e5f\u8bb8\u662f move \u540e&#xff0c;\u5728\u65b0\u7ebf\u7a0b\u4e2d\u53c8\u521b\u5efa\u4e86\u4e0d\u53ef\u53d8\u6216\u53ef\u53d8\u5f15\u7528\u5462&#xff0c;\u7136\u540e\u548c\u518d\u539f\u7ebf\u7a0b\u4e2d\u7684\u5f15\u7528\u4e00\u8d77\u6765\u7ade\u4e89\u503c\u5462&#xff1f;\u8fd9\u53ef\u80fd\u662f\u5f88\u591a\u4eba\u62c5\u5fc3\u8fc7&#xff0c;\u4f46\u53c8\u672a\u5fc5\u80fd\u6e05\u6670\u63cf\u8ff0\u51fa\u6765\u7684\u573a\u666f&#xff0c;\u8fd9\u91cc\u5176\u5b9e\u6709\u597d\u591a\u81c6\u60f3\u51fa\u6765\u7684\u5047\u8bbe&#xff0c;\u4f46\u5b9e\u9645\u4e0a\u5b83\u4eec\u6839\u672c\u6ca1\u6cd5\u7f16\u8bd1\u901a\u8fc7\u3002\u9488\u5bf9\u8fd9\u4e00\u79cd\u6000\u7591&#xff0c;\u6211\u4eec\u5728\u53e6\u4e00\u7bc7\u6587\u7ae0\u300a\u4e00\u4e2a Rust \u591a\u7ebf\u7a0b\u7684\u7b3c\u7edf\u95ee\u9898&#xff1a;\u4e00\u4e2a\u503c\u548c\u5b83\u7684\u5f15\u7528\u4ea4\u53c9\u5206\u5e03\u4e8e\u4e0d\u540c\u7ebf\u7a0b\u4e2d\u53ef\u4ee5\u6709\u591a\u5c11\u79cd\u60c5\u51b5&#xff1f;\u54ea\u4e9b\u662f\u5408\u6cd5\u7684&#xff1f;\u300b\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u89e3\u91ca&#xff0c;\u7b80\u5355\u6982\u62ec\u4e00\u4e0b\u7ed3\u8bba\u5c31\u662f&#xff1a;\u6211\u4eec\u9884\u60f3\u7684\u51e0\u4e4e\u6240\u6709\u975e\u6cd5\u7684\u503c\u4e0e\u5f15\u7528\u4ea4\u53c9\u5206\u5e03\u4e8e\u4e0d\u540c\u7ebf\u7a0b\u4e2d\u7684\u60c5\u5f62&#xff0c;\u90fd\u5728\u7f16\u8bd1\u671f\u88ab\u6240\u6709\u6743\u548c\u501f\u7528\u68c0\u67e5 &#043; spawn \u5f3a\u5236\u4f7f\u7528 move \u95ed\u5305&#xff08; &#039;static \u7ea6\u675f&#xff09;\u201c\u6bd9\u201d\u6389\u4e86\u3002\u603b\u4e4b&#xff0c;\u53ef\u4ee5\u786e\u5b9a\u7684\u662f&#xff1a;\u4e00\u4e2a\u503c\u8de8\u7ebf\u7a0b move \u5982\u679c\u6709\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u4e0d\u4f1a\u662f\u503c\u672c\u8eab\u6709\u65e2\u8bfb\u53c8\u5199\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u5982\u662f\u4e0d\u662f\u503c&#xff0c;\u90a3\u8fd8\u80fd\u662f\u4ec0\u4e48\u5462&#xff1f;\u63a5\u4e0b\u6765&#xff0c;\u6211\u4eec\u5c31\u4e0d\u80fd\u518d\u8fdb\u884c\u65e0\u5b9e\u7269\u63a8\u8bba\u4e86&#xff0c;\u5f97\u7ed3\u5408\u5b9e\u9645\u7c7b\u578b Rc \u6765\u5206\u6790\u4e86&#xff0c;\u56e0\u4e3a Rc \u662f\u4e00\u4e2a\u5927\u5bb6\u719f\u77e5\u7684 !Send \u7c7b\u578b&#xff0c;\u4e5f\u5c31\u662f\u8de8\u7ebf\u7a0b move \u6709\u5b89\u5168\u95ee\u9898\u7684\u7c7b\u578b\u3002\u5728\u5f00\u59cb\u5206\u6790\u524d&#xff0c;\u5148\u8bf4\u660e\u4e00\u4e0b&#xff0c;\u5b9e\u9645\u4e0a&#xff0c;\u5f88\u591a\u4eba\u5bf9\u201cRc \u7c7b\u578b\u8de8\u7ebf\u7a0b move \u4e0d\u5b89\u5168\u201d\u8fd9\u4e2a\u95ee\u9898\u7684\u56f0\u60d1\u5e76\u6765\u81ea\u4e8e\u591a\u7ebf\u7a0b&#xff0c;\u800c\u662f\u5bf9 Rc \u7684\u5185\u90e8\u5b9e\u73b0\u548c\u6240\u6709\u6743\u7684\u7406\u89e3\u4e0a\u6709\u6b20\u7f3a&#xff0c;\u5982\u679c\u60f3\u8981\u900f\u5f7b\u7406\u89e3\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u5f3a\u70c8\u5efa\u8bae\u9605\u8bfb\u4e00\u4e0b\u300aRust \u6240\u6709\u6743\u8fdb\u9636\u5fc5\u8bfb&#xff1a;\u4e3a\u4ec0\u4e48 Rc \u5171\u4eab\u6240\u6709\u6743\u662f\u4e2a\u4f2a\u6982\u5ff5&#xff1f;\u300b&#xff0c;\u5b9e\u9645\u4e0a&#xff0c;\u8fd9\u7bc7\u6587\u7ae0\u6b63\u662f\u5728\u7814\u7a76\u8fd9\u4e2a\u95ee\u9898\u7684\u8fc7\u7a0b\u4e2d\u884d\u751f\u51fa\u6765\u7684\u3002<\/p>\n<p>\u6211\u4eec\u77e5\u9053&#xff1a;Rc \u5bf9\u5305\u88f9\u7684\u201c\u6570\u636e\u201d\u8d4b\u4e88\u4e86\u201c\u5171\u4eab\u6240\u6709\u6743\u201d\u7684\u80fd\u529b&#xff0c;\u4f46\u6b63\u5982\u6211\u4eec\u5728\u300aRust \u6240\u6709\u6743\u8fdb\u9636\u5fc5\u8bfb&#xff1a;\u4e3a\u4ec0\u4e48 Rc \u5171\u4eab\u6240\u6709\u6743\u662f\u4e2a\u4f2a\u6982\u5ff5&#xff1f;\u300b\u4e2d\u89e3\u91ca\u7684\u90a3\u6837&#xff0c;\u8fd9\u662f\u4e00\u4e2a\u4f2a\u6982\u5ff5&#xff0c;\u662f\u591a\u91cd\u6982\u5ff5\u9519\u4f4d\u53e0\u52a0\u51fa\u6765\u7684\u4e00\u4e2a\u7cdf\u7cd5\u672f\u8bed&#xff0c;\u5b9e\u9645\u7684\u60c5\u5f62\u662f&#xff1a;Rc \u901a\u8fc7 clone \u521b\u5efa\u51fa\u7684\u591a\u4e2a\u503c&#xff08;\u5b9e\u4f8b&#xff09;&#xff0c;\u6bcf\u4e2a\u503c\u90fd\u6709\u81ea\u5df1\u552f\u4e00\u7684\u6240\u6709\u8005&#xff0c;\u4e0d\u5b58\u5728\u201c\u5171\u4eab\u6240\u6709\u6743\u201d\u8fd9\u79cd\u8bf4\u6cd5&#xff0c;\u800c\u591a\u4e2a\u503c\u5171\u540c\u7ba1\u7406\u5806\u4e0a\u7684\u201c\u8d44\u6e90\u201d&#xff0c;\u4e5f\u5c31\u662f Rc \u5305\u88f9\u7684\u6570\u636e\u3002\u4e0b\u56fe\u4e3a Rc \u7684\u8bed\u4e49\u6a21\u578b&#xff08;\u5f15\u7528\u81ea\u300aRust \u6240\u6709\u6743\u8fdb\u9636\u5fc5\u8bfb&#xff1a;\u4e3a\u4ec0\u4e48 Rc \u5171\u4eab\u6240\u6709\u6743\u662f\u4e2a\u4f2a\u6982\u5ff5&#xff1f;\u300b&#xff09;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260904134104-6a9aca70a8a24.png\" alt=\"\" \/><\/p>\n<p>\u6211\u4eec\u524d\u9762\u5206\u6790\u8fc7&#xff1a;\u4e00\u4e2a\u503c\u8de8\u7ebf\u7a0b move \u5982\u679c\u6709\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u4e0d\u4f1a\u662f\u503c\u672c\u8eab\u6709\u65e2\u8bfb\u53c8\u5199\u7684\u60c5\u51b5&#xff0c;\u90a3\u8fd8\u6709\u4ec0\u4e48\u5176\u4ed6\u6570\u636e\u5462&#xff1f;Rc \u7ed9\u6211\u4eec\u63d0\u4f9b\u4e86\u66f4\u5bbd\u6cdb\u7684\u89c6\u91ce&#xff0c;\u5982\u679c\u4e0d\u662f\u503c&#xff0c;\u90a3\u5c31\u53ea\u80fd\u662f\u8d44\u6e90\u4e86&#xff01;\u5f53\u4e00\u79cd\u7c7b\u578b\u5b83\u80fd\u6784\u9020\u51fa\u591a\u4e2a\u76f8\u540c\u7684\u503c\u6307\u5411\u540c\u4e00\u4efd\u8d44\u6e90\u7684\u5c40\u9762\u65f6&#xff0c;\u82e5\u503c\u5bf9\u8d44\u6e90\u65e2\u53ef\u8bfb\u53c8\u53ef\u5199&#xff0c;\u90a3\u5f53\u8fd9\u4e9b\u503c\u5206\u6563\u4e8e\u4e0d\u540c\u7684\u7ebf\u7a0b\u4e2d\u65f6&#xff0c;\u5c31\u5fc5\u7136\u4f1a\u51fa\u73b0\u6570\u636e\u7ade\u4e89\u4e86&#xff01;\u5b83\u4eec\u7ade\u4e89\u7684\u662f\u8d44\u6e90\u4e2d\u7684\u6570\u636e&#xff01;\u8fd9\u662f Rc \u8de8\u7ebf\u7a0b move \u4e0d\u5b89\u5168\u7684\u6839\u672c\u539f\u56e0&#xff01;<\/p>\n<p>\u4f46\u662f&#xff0c;\u4ee5\u4e0a\u53ea\u662f\u7b2c\u4e00\u5c42\u89e3\u8bfb&#xff0c;\u6211\u4eec\u8981\u786e\u8ba4\u662f\u8d44\u6e90\u91cc\u7684\u4ec0\u4e48\u6570\u636e\u4f1a\u88ab\u503c\u6539\u5199&#xff0c;\u5305\u88f9\u5728 Rc \u91cc\u7684\u7528\u6237\u6570\u636e\u5417&#xff1f;\u4e0d\u662f\u3002\u56e0\u4e3a&#xff1a;\u6211\u4eec\u53ea\u80fd\u901a\u8fc7 Rc&lt;T&gt; \u62ff\u5230 &amp;T&#xff0c;\u62ff\u4e0d\u5230 &amp;mut T<sup class=\"footnote-ref\">2<\/sup>&#xff0c;\u56e0\u4e3a Rc \u6ca1\u6709\u5b9e\u73b0 DerefMut&#xff0c;\u663e\u7136&#xff0c;\u8fd9\u662f\u523b\u610f\u4e3a\u4e4b\u7684&#xff0c;\u5982\u679c\u5141\u8bb8\u901a\u8fc7 Rc \u5b9e\u4f8b\u83b7\u5f97\u53ef\u53d8\u5f15\u7528&#xff0c;\u90a3\u591a\u4e2a Rc \u503c\u5c31\u610f\u5473\u7740\u591a\u4e2a\u53ef\u53d8\u5f15\u7528&#xff0c;\u8fd9\u662f\u7edd\u5bf9\u4e0d\u5141\u8bb8\u7684&#xff0c;Rc \u8bbe\u8ba1\u8005\u5c31\u662f\u5728\u201c\u9632\u7740\u8fd9\u4e00\u624b\u201d\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u662f Rc \u5305\u88f9\u7684\u7528\u6237\u6570\u636e&#xff0c;Rc \u503c\u7ba1\u7406\u7684\u201c\u8d44\u6e90\u201d\u91cc\u8fd8\u6709\u4ec0\u4e48\u6570\u636e\u5462&#xff1f;\u90a3\u5c31\u53ea\u5269\u4e0b\u201c\u5f15\u7528\u8ba1\u6570\u201d\u4e86&#xff0c;\u867d\u7136\u5b83\u4e0d\u7531\u7528\u6237\u76f4\u63a5\u8bfb\u5199&#xff0c;\u76f8\u5f53\u4e8e Rc \u7684\u5143\u6570\u636e&#xff0c;\u4f46\u5b83\u786e\u5b9e\u662f\u548c\u7528\u6237\u6570\u636e\u4e00\u8d77\u5b58\u653e\u5728\u5806\u4e0a\u7684 RcBox \u91cc&#xff0c;\u662f\u540d\u526f\u5176\u5b9e\u7684\u201c\u8d44\u6e90\u201d&#xff0c;\u662f\u7684&#xff0c;\u8fd9\u4e2a\u5f15\u7528\u8ba1\u6570\u5c31\u662f\u6700\u540e\u7684\u201c\u6f0f\u6d1e\u201d&#xff0c;\u662f\u591a\u4e2a Rc \u503c\u53ef\u80fd\u4f1a\u8de8\u7ebf\u7a0b\u5e76\u53d1\u8bfb\u5199\u7684\u6570\u636e&#xff01;\u5b83\u6ca1\u6709\u88ab\u65bd\u52a0\u540c\u6b65\u4fdd\u62a4&#xff0c;\u6240\u4ee5\u6210\u4e86\u201cRc \u8de8\u7ebf\u7a0b move \u4f1a\u4e0d\u5b89\u5168\u201d\u7684\u6839\u672c\u539f\u56e0&#xff01;<\/p>\n<h2>4. Send \/ Sync \u66f4\u6df1\u5c42\u6210\u56e0\u7684\u6d1e\u5bdf<\/h2>\n<p>\u76f8\u4fe1\u4ece\u524d\u9762\u4e24\u8282\u7684\u5206\u6790\u4e2d\u4f60\u4e5f\u5e94\u8be5\u80fd\u611f\u53d7\u5230&#xff1a;\u5c3d\u7ba1 Sync \u548c Send \u9488\u5bf9\u7684\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u573a\u666f&#xff0c;\u4f46\u5176\u5b9e\u5b83\u4eec\u6807\u8bb0\u7684\u95ee\u9898\u6027\u8d28\u662f\u4e00\u6837\u7684&#xff1a;\u5b83\u4eec\u5c31\u662f\u6807\u8bb0\u4e00\u79cd\u7c7b\u578b\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4f1a\u4e0d\u4f1a\u51fa\u73b0\u5bf9\u5185\u90e8\u6570\u636e\u65e2\u8bfb\u53c8\u5199\u7684\u60c5\u51b5&#xff0c;\u5b83\u4eec\u7684\u533a\u522b\u53ea\u662f\u65e2\u8bfb\u53c8\u5199\u7684\u6570\u636e\u4e0d\u540c&#xff0c;\u524d\u8005\u662f\u503c\u672c\u8eab&#xff0c;\u540e\u8005\u662f\u591a\u4e2a\u76f8\u540c\u503c\u5171\u4eab\u7684\u8d44\u6e90\u3002<\/p>\n<p>\u4f5c\u4e3a\u6700\u7ec8\u7684\u89e3\u60d1&#xff0c;\u6211\u4eec\u60f3\u77e5\u9053&#xff1a;\u65e2\u7136\u5b83\u4eec\u7684\u533a\u522b\u662f\u65e2\u8bfb\u53c8\u5199\u7684\u6570\u636e\u4e0d\u540c&#xff0c;\u90a3\u5b83\u4eec\u83b7\u5f97\u5bf9\u6570\u636e\u201c\u65e2\u8bfb\u53c8\u5199\u201d\u80fd\u529b\u7684\u9014\u5f84\u662f\u4ec0\u4e48&#xff1f;\u662f\u540c\u4e00\u79cd\u673a\u5236\u8fd8\u662f\u4e0d\u540c\u7684\u673a\u5236&#xff1f;\u5173\u4e8e\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u5f88\u591a\u4eba\u53ef\u80fd\u4f1a\u7b3c\u7edf\u7684\u8ba4\u4e3a\u662f\u4e00\u4e2a\u7c7b\u578b\u4f7f\u7528 unsafe \u7f16\u5199\u4e86\u4e00\u4e9b\u4e0d\u5b89\u5168\u7684\u4ee3\u7801\u5bfc\u81f4\u7684&#xff0c;\u6240\u4ee5\u4f1a\u5c06 !Sync \/ !Send \u548c unsafe \u8054\u7cfb\u5728\u4e00\u8d77&#xff0c;\u8fd9\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u8bef\u89e3&#xff0c;unsafe \u4ee3\u7801\u4e0d\u662f\u5bfc\u81f4 !Sync \u548c !Send \u7684\u539f\u56e0&#xff0c;\u53cd\u800c\u662f\u4e3a\u4e86\u4fee\u590d\u5b83\u4eec\u624d\u4f1a\u51fa\u73b0\u7684\u3002<\/p>\n<p>\u771f\u5b9e\u60c5\u51b5\u662f&#xff1a;\u4ee5 Cell\/RefCell \u4e3a\u4ee3\u8868\u7684\u5c40\u90e8\u53ef\u53d8\u6027\u548c\u4ee5 Rc \u4e3a\u4ee3\u8868\u7684\u6784\u9020\u591a\u4e2a\u76f8\u540c\u503c\u5bf9\u5171\u4eab\u8d44\u6e90&#xff08;\u5f15\u7528\u8ba1\u6570&#xff09;\u8fdb\u884c\u8bfb\u5199\u8fd9\u4e24\u79cd\u60c5\u5f62&#xff0c;\u5b9e\u73b0\u5b83\u4eec\u7528\u5230\u4e86\u4e24\u79cd\u4ee3\u8868\u6027\u7684\u7279\u6b8a\u8bed\u8a00\u673a\u5236&#xff0c;\u8fd9\u662f\u5bfc\u81f4\u5b83\u4eec\u5206\u522b\u6210\u4e3a !Sync \u548c !Send \u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n<p>\u9996\u5148&#xff0c;\u5c40\u90e8\u53ef\u53d8\u6027\u80fd\u529b\u5b8c\u5168\u662f\u901a\u8fc7 UnsafeCell \u83b7\u5f97\u7684&#xff0c;\u800c\u8fd9\u4e2a UnsafeCell \u7edd\u4e0d\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7c7b\u578b&#xff0c;\u5b83\u4e0d\u662f\u90a3\u79cd\u9760\u5199\u4ee3\u7801\u5c31\u80fd\u5b9e\u73b0\u51fa\u6765\u7684\u7c7b\u578b&#xff0c;\u800c\u7531\u7f16\u8bd1\u5668\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7279\u6b8a\u652f\u6301&#xff08;\u5c31\u50cf\u7f16\u8bd1\u5668\u5bf9 Fn trait \u63d0\u4f9b\u4e86\u7279\u6b8a\u652f\u6301\u90a3\u6837&#xff0c;\u5b83\u4eec\u90fd\u7528 #[lang &#061; \u201c\u2026\u201d] \u8fdb\u884c\u4e86\u6807\u8bb0&#xff09;\u3002\u4e5f\u5c31\u662f\u8bf4&#xff1a;\u7528\u6237\u6839\u672c\u9020\u4e0d\u51fa\u7b2c\u4e8c\u4e2a UnsafeCell&#xff0c;\u6574\u4e2a Rust \u8bed\u8a00\u91cc&#xff0c;\u80fd\u7834\u574f Sync \u7684\u53ea\u6709 UnsafeCell \u8fd9\u4e00\u5904\u201c\u540e\u95e8\u201d&#xff0c;\u6b63\u56e0\u4e3a\u5982\u6b64&#xff0c;\u7f16\u8bd1\u5668\u624d\u80fd\u8fdb\u884c auto trait&#xff0c;\u4e5f\u5c31\u662f\u901a\u8fc7\u9012\u5f52\u68c0\u67e5\u7c7b\u578b\u7684\u5b57\u6bb5\u4e2d\u662f\u5426\u542b\u6709 UnsafeCell \u7c7b\u578b\u6765\u5224\u65ad\u7c7b\u578b\u662f\u5426\u662f Sync \u7684&#xff01;<\/p>\n<p>\u7136\u540e&#xff0c;\u6211\u4eec\u518d\u770b\u4e00\u4e0b\u4ee5 Rc \u4e3a\u4ee3\u8868\u7684\u6784\u9020\u591a\u4e2a\u76f8\u540c\u503c\u5bf9\u5171\u4eab\u8d44\u6e90\u8fdb\u884c\u8bfb\u5199&#xff0c;\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u6211\u4eec\u5f97\u5206\u6210\u4e24\u90e8\u5206\u6765\u770b&#xff0c;Rc \u7684\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u9996\u5148\u662f\u56e0\u4e3a\u5b83\u80fd\u521b\u9020\u51fa\u591a\u4e2a\u76f8\u540c\u7684\u503c&#xff0c;\u6ca1\u6709\u8fd9\u4e2a\u80fd\u529b&#xff0c;\u5c31\u4e0d\u4f1a \u5f62\u6210\u201c\u591a\u4e2a\u503c\u201d\u8de8\u7ebf\u7a0b\u8bfb\u5199\u8d44\u6e90\u7684\u5c40\u9762&#xff0c;\u7136\u540e\u624d\u662f\u5bf9\u5f15\u7528\u6570\u636e\u6ca1\u6709\u8fdb\u884c\u540c\u6b65\u4fdd\u62a4\u3002\u6240\u4ee5 Arc \u7684\u8865\u6551\u63aa\u65bd\u5c31\u662f\u7ed9\u5f15\u7528\u8ba1\u6570\u6dfb\u52a0\u4e0a\u540c\u6b65\u4fdd\u62a4&#xff08;\u4e0d\u662f\u7528\u7684\u9501\u673a\u5236\u5b9e\u73b0\u7684&#xff0c;\u800c\u662f\u901a\u8fc7\u539f\u5b50\u7c7b\u578b AtomicUsize \u5b9e\u73b0\u7684&#xff09;\u3002<\/p>\n<p>\u9488\u5bf9\u7b2c\u4e00\u4e2a\u6210\u56e0&#xff0c;\u5b83\u4e4b\u6240\u4ee5\u80fd\u591f\u505a\u5230\u8ba9\u591a\u4e2a\u503c\u6307\u5411\u540c\u4e00\u4e2a\u8d44\u6e90&#xff0c;\u4e3b\u8981\u662f\u9760\u88f8\u6307\u9488&#xff0c;\u88f8\u6307\u9488\u65e2\u65e0\u503c\u7684\u6240\u6709\u6743\u6982\u5ff5\u4e5f\u4e0d\u53d7\u5236\u4e8e\u501f\u7528\u68c0\u67e5&#xff08;\u501f\u7528\u68c0\u67e5\u53ea\u9488\u5bf9\u5f15\u7528\u7c7b\u578b&#xff09;&#xff0c;\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u201c\u81ea\u7531\u201d&#xff0c;\u6ca1\u6709\u62d8\u675f&#xff08;\u5f53\u7136&#xff0c;\u4e00\u65e6\u7528\u4e86\u5b83\u5c31\u5f97\u9760\u7a0b\u5e8f\u5458\u81ea\u5df1\u6765\u628a\u63a7\u5185\u5b58\u5b89\u5168\u4e86&#xff09;&#xff0c;\u4e00\u65b9\u9762&#xff0c;\u5b83\u8fd1\u4f3c\u4e8e Copy \u7c7b\u578b&#xff0c;\u53ef\u4ee5\u968f\u610f\u6309\u4f4d\u590d\u5236&#xff0c;\u6240\u4ee5\u5b83\u53ef\u4ee5\u521b\u5efa\u51fa\u591a\u4e2a\u6307\u5411\u540c\u4e00\u4f4d\u7f6e\u7684\u503c&#xff0c;Rc \u503c&#xff08;\u4e00\u4e2a\u6307\u9488&#xff09;\u5c31\u662f\u9760\u88f8\u6307\u9488\u7684\u8fd9\u4e2a\u7279\u70b9\u5b9e\u73b0\u7684 clone&#xff1b;\u53e6\u4e00\u65b9\u9762&#xff0c;\u56e0\u4e3a\u88f8\u6307\u9488\u4e0d\u53d7\u501f\u7528\u68c0\u67e5\u7684\u7ea6\u675f&#xff0c;\u6240\u4ee5\u88f8\u6307\u9488\u4e5f\u6ca1\u6709\u751f\u547d\u5468\u671f\u7684\u6982\u5ff5&#xff0c;\u4e0d\u5b58\u5728\u5f15\u7528\u624d\u4f1a\u6709\u7684\u90a3\u4e9b\u4e0d\u80fd\u6d3b\u5f97\u6bd4\u5b83\u7684\u503c\u8fd8\u8981\u4e45\u4e4b\u7c7b\u7684\u7ea6\u675f\u3002\u6700\u540e&#xff0c;\u6211\u4eec\u518d\u96c6\u4e2d\u68b3\u7406\u4e00\u4e0b\u80fd\u8ba9\u4e00\u4e2a\u7c7b\u578b\u88ab auto trait \u81ea\u52a8\u5224\u5b9a\u4e3a !Send \u548c !Sync \u7684\u8bed\u8a00\u673a\u5236\u90fd\u6709\u54ea\u4e9b&#xff1a;<\/p>\n<table>\n<tr>\u673a\u5236\u7834\u574f\u4e86\u4ec0\u4e48\u8c01\u5b9a\u7684<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">*const T \/ *mut T<\/td>\n<td align=\"left\">Send &#043; Sync<\/td>\n<td align=\"left\">\u8bed\u8a00\u5185\u5efa\u7684\u8d1f\u5b9e\u73b0<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">UnsafeCell<\/td>\n<td align=\"left\">Sync<\/td>\n<td align=\"left\">lang item<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">std \u91cc\u51e0\u4e2a\u663e\u5f0f\u8d1f\u5b9e\u73b0(Rc\u3001MutexGuard \u7b49)<\/td>\n<td align=\"left\">\u5404\u81ea<\/td>\n<td align=\"left\">\u6807\u51c6\u5e93\u4f5c\u8005\u624b\u52a8\u6253\u4e0a\u7684\u6807\u7b7e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6ce8\u610f&#xff0c;\u4ee5\u4e0a\u8bbe\u7f6e\u7684\u524d\u63d0\u662f auto trait&#xff0c;\u4e5f\u5c31\u662f\u4f60\u7684\u81ea\u5b9a\u4e49\u7c7b\u578b\u542b\u6709\u4e86\u4ee5\u4e0a\u7c7b\u578b\u7684\u5b57\u6bb5&#xff0c;\u800c\u4f60\u6ca1\u6709\u901a\u8fc7\u7f16\u5199\u201c\u8865\u6551\u201d\u4ee3\u7801\u633d\u56de\u5b83\u4eec\u7684\u201c\u7ebf\u7a0b\u5b89\u5168\u6027\u201d\u7684\u524d\u63d0\u4e0b&#xff0c;\u81ea\u52a8\u5224\u5b9a\u7684\u7ed3\u679c\u3002<\/p>\n<h2>5. \u5728\u6253\u6807\u8bb0\u8fd9\u4ef6\u4e8b\u4e0a\u7f16\u8bd1\u5668\u505a\u4e86\u4ec0\u4e48&#xff1f;<\/h2>\n<p>\u5982\u679c\u6ca1\u6709\u4ee5\u4e0a\u4ecb\u7ecd\u7684\u8fd9\u4e9b\u7279\u6b8a\u673a\u5236\u6253\u5f00\u7684\u201c\u540e\u95e8\u201d&#xff0c;\u51ed\u501f\u6240\u6709\u6743\u548c\u501f\u7528\u68c0\u67e5&#xff0c;\u6211\u4eec\u53ef\u4ee5\u8bf4\u5728 Rust \u4e2d\u6240\u6709\u7684\u7c7b\u578b\u90fd\u662f\u7ebf\u7a0b\u5b89\u5168\u7684&#xff08;\u4ec5\u9488\u5bf9\u6570\u636e\u7ade\u4e89\u800c\u8a00&#xff09;&#xff0c;\u4f46\u7531\u4e8e\u8fd9\u4e9b\u7279\u6b8a\u673a\u5236\u7684\u5b58\u5728&#xff0c;Rust \u5c31\u4e0d\u80fd\u518d\u9ed8\u8ba4\u6240\u6709\u7684\u7c7b\u578b\u90fd\u662f\u7ebf\u7a0b\u5b89\u5168\u7684&#xff0c;\u6240\u4ee5\u624d\u5f15\u5165\u4e86 Send \u548c Sync \u5355\u72ec\u8fdb\u884c\u6807\u8bb0&#xff0c;\u4f46\u662f&#xff0c;\u5982\u679c\u6bcf\u4e00\u79cd\u7c7b\u578b\u90fd\u8981\u624b\u52a8\u6807\u8bb0\u7684\u8bdd\u53c8\u4f1a\u5f88\u7e41\u7410&#xff0c;\u4e8e\u662f&#xff0c;Rust \u63d0\u4f9b\u4e86 auto trait \u673a\u5236&#xff0c;\u4e5f\u5c31\u662f\u7531\u7f16\u8bd1\u5668\u81ea\u52a8\u4e3a\u7c7b\u578b\u5b9e\u73b0 Send \u6216 Sync\u3002<\/p>\n<p>\u4e0d\u8fc7&#xff0c;\u7f16\u8bd1\u5668\u7684 auto trait \u53ea\u8d1f\u8d23\u5224\u5b9a\u4e00\u4e2a\u7c7b\u578b\u662f\u5426\u5e94\u8be5\u6807\u8bb0\u4e3a Send \/ Sync&#xff0c;\u4e0d\u8d1f\u8d23\u5224\u5b9a !Send \/ !Sync\u3002\u644a\u5f00\u770b\u7684\u8bdd&#xff0c;\u4e00\u4e2a\u7c7b\u578b\u5176\u5b9e\u6709\u4e09\u79cd\u72b6\u6001&#xff1a;\u6b63\u6807\u8bb0&#xff08;Send \/ Sync&#xff09;\u3001\u65e0\u6807\u8bb0\u3001\u8d1f\u6807\u8bb0&#xff08;!Send \/ !Sync&#xff09;&#xff0c;\u65e0\u6807\u8bb0\u548c\u8d1f\u6807\u8bb0\u8fd8\u662f\u6709\u533a\u522b\u7684&#xff0c;\u8d1f\u6807\u8bb0\u5fc5\u987b\u662f\u624b\u52a8\u4e14\u4e3b\u52a8\u6dfb\u52a0\u4e0a\u7684&#xff0c;\u7528\u4e8e\u660e\u786e\u6807\u8bb0&#xff1a;\u8fd9\u4e2a\u7c7b\u578b\u662f\u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684&#xff0c;\u800c\u65e0\u6807\u8bb0\u8868\u793a&#xff1a;\u8fd9\u4e2a\u7c7b\u578b\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u4e0d\u660e\u6216\u8005\u8bf4\u6ca1\u6709\u8003\u8651\u8fc7\u5b83\u5728\u591a\u7ebf\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>auto trait \u5728\u5224\u5b9a\u4e00\u4e2a\u7c7b\u578b\u662f\u5426\u662f Send \/ Sync \u65f6&#xff0c;\u4f1a\u81ea\u52a8\u9012\u5f52\u68c0\u67e5\u7c7b\u578b\u7684\u6240\u6709\u5b57\u6bb5&#xff0c;\u5982\u679c\u5b57\u6bb5&#xff08;\u5305\u62ec\u5d4c\u5957\u5b57\u6bb5&#xff09;\u4e0d\u542b\u6709\u4efb\u4f55\u7684 !Send \/ !Sync \u7c7b\u578b&#xff0c;\u5219\u6574\u4e2a\u7c7b\u578b\u5c31\u88ab\u81ea\u52a8\u63a8\u65ad\u4e3a Send \/ Sync&#xff0c;\u53ea\u51fa\u73b0\u8fc7\u4efb\u4f55\u4e00\u4e2a !Send \/ !Sync \u5b57\u6bb5&#xff0c;auto trait \u5c31\u4e0d\u4f1a\u81ea\u52a8\u6807\u8bb0\u4e86\u3002\u4ee5\u4e0b\u5217\u4e3e\u4e86\u6211\u4eec\u65e5\u5e38\u7f16\u7a0b\u4e2d\u4f1a\u9047\u5230\u7684\u4e00\u4e9b\u5178\u578b\u7c7b\u578b\u7684 Send \/ Sync \u6807\u8bb0\u60c5\u51b5&#xff0c;\u4f60\u7684\u5b9a\u4e49\u7c7b\u578b\u7684 Send \/ Sync \u6807\u8bb0\u57fa\u672c\u4e0a\u5c31\u53d6\u51b3\u4e8e\u4f60\u7684\u7c7b\u578b\u4e2d\u6709\u6ca1\u6709\u7528\u5230\u8fd9\u4e9b\u7c7b\u578b\u7684\u5b57\u6bb5\u4e86&#xff1a;<\/p>\n<table>\n<tr>\u7c7b\u578bSendSync\u539f\u56e0<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">i32, String, Vec(T \u6ee1\u8db3)<\/td>\n<td align=\"left\">\u662f<\/td>\n<td align=\"left\">\u662f<\/td>\n<td align=\"left\">\u7eaf\u6570\u636e&#xff0c;\u65e0\u5185\u90e8\u53ef\u53d8\u6027\/\u5171\u4eab<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">*const T \/ *mut T<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">\u88f8\u6307\u9488\u65e0\u4efb\u4f55\u4fdd\u8bc1&#xff0c;\u4fdd\u5b88\u62d2\u7edd<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">UnsafeCell<\/td>\n<td align=\"left\">\u662f<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">\u5185\u90e8\u53ef\u53d8\u6027\u7684\u552f\u4e00\u6765\u6e90&#xff1a;\u5171\u4eab\u5f15\u7528\u4e5f\u80fd\u6539\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Cell \/ RefCell<\/td>\n<td align=\"left\">\u662f<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">\u5185\u90e8\u542b UnsafeCell<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Rc<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">\u5f15\u7528\u8ba1\u6570\u975e\u539f\u5b50&#xff0c;\u8de8\u7ebf\u7a0b\u4f1a\u8ba1\u6570\u9519\u4e71<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Arc<\/td>\n<td align=\"left\">T: Send&#043;Sync<\/td>\n<td align=\"left\">\u540c\u5de6<\/td>\n<td align=\"left\">\u8ba1\u6570\u539f\u5b50&#xff0c;\u4f46\u5185\u5bb9\u53ef\u88ab\u591a\u7ebf\u7a0b\u5171\u4eab\u4e5f\u53ef\u88ab\u6790\u6784\u7ebf\u7a0b\u79fb\u52a8<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Mutex<\/td>\n<td align=\"left\">T: Send<\/td>\n<td align=\"left\">T: Send<\/td>\n<td align=\"left\">\u9501\u628a !Sync \u63d0\u5347\u4e3a Sync<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">MutexGuard&lt;&#039;_, T&gt;<\/td>\n<td align=\"left\">\u5426<\/td>\n<td align=\"left\">T: Sync<\/td>\n<td align=\"left\">\u67d0\u4e9b\u5e73\u53f0\u8981\u6c42\u52a0\u9501\/\u89e3\u9501\u5728\u540c\u4e00\u7ebf\u7a0b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6b64\u5916&#xff0c;\u8fd8\u6709\u4e00\u79cd\u7279\u6b8a\u60c5\u666f&#xff0c;\u5c31\u662f\u4f60\u7684\u7c7b\u578b\u88ab auto trait \u81ea\u52a8\u5224\u5b9a\u4e3a\u4e86 Send &#043; Sync&#xff0c;\u4f46\u662f\u51fa\u4e8e\u67d0\u79cd\u539f\u56e0&#xff0c;\u4f60\u4e0d\u5e0c\u671b\u8fd9\u4e2a\u7c7b\u578b\u5e94\u7528\u5230\u591a\u7ebf\u7a0b\u4e2d&#xff0c;\u4f60\u5c31\u53ef\u4ee5\u4f7f\u7528 PhantomData \u53bb\u5305\u88f9\u4e00\u4e2a\u88f8\u6307\u9488\u4f5c\u4e3a\u4f60\u7684\u7c7b\u578b\u4e2d\u7684\u4e00\u4e2a\u5b57\u6bb5&#xff0c;\u5c31\u50cf\u4e0b\u9762\u8fd9\u6837&#xff1a;<\/p>\n<p><span class=\"token keyword\">use<\/span> <span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>marker<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">PhantomData<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token type-definition class-name\">NotSend<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    _marker<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">PhantomData<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">*<\/span><span class=\"token keyword\">mut<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u96f6\u5927\u5c0f&#xff0c;\u6ca1\u6709\u8fd0\u884c\u65f6\u5b58\u50a8<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/ NotSend: !Send &#043; !Sync&#xff0c;\u867d\u7136\u6ca1\u6709\u5b9e\u9645\u88f8\u6307\u9488\u6210\u5458<\/span><\/p>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u7684\u601d\u8def\u662f&#xff1a;\u56e0\u4e3a\u4f60\u5305\u88f9\u4e86 *mut() \u8fd9\u6837\u4e00\u4e2a\u88f8\u6307\u9488&#xff0c;auto trait \u5c31\u4f1a\u81ea\u52a8\u628a\u8fd9\u4e2a\u7c7b\u578b\u6807\u8bb0\u4e3a !Send &#043; !Sync&#xff0c;\u4f7f\u7528 PhantomData \u5305\u88f9\u7684\u76ee\u7684\u662f\u628a\u8fd9\u4e2a\u5b57\u6bb5\u7684\u5f00\u9500\u964d\u4e3a 0&#xff0c;\u4e0d\u5360\u7528\u4efb\u4f55\u5185\u5b58\u3002<\/p>\n<h2>6. \u4e3a\u4ec0\u4e48\u5176\u4ed6\u8bed\u8a00\u91cc\u6ca1\u6709 Send \/ Sync<\/h2>\n<p>\u6700\u540e\u8fd9\u6211\u4eec\u56de\u7b54\u4e00\u4e2a\u5f88\u591a\u4eba\u53ef\u80fd\u5728\u63a5\u89e6 Send \u548c Sync \u4e4b\u521d\u5c31\u601d\u8003\u8fc7\u7684\u95ee\u9898&#xff1a;\u4e3a\u4ec0\u4e48\u5176\u4ed6\u8bed\u8a00\u91cc\u6ca1\u6709 Send \u548c Sync&#xff1f;\u5728\u7406\u89e3\u4e86\u4ee5\u4e0a\u7684\u5185\u5bb9\u4e4b\u540e&#xff0c;\u8fd9\u4e2a\u95ee\u9898\u5df2\u7ecf\u5f88\u597d\u89e3\u91ca\u4e86\u3002\u6211\u4eec\u8bf4&#xff0c;\u9488\u5bf9\u6570\u636e\u7ade\u4e89\u8fd9\u4e2a\u95ee\u9898\u6765\u8bf4&#xff0c;Rust \u51ed\u501f\u5b83\u7684\u6240\u6709\u6743\u548c\u501f\u7528\u68c0\u67e5\u673a\u5236\u201c\u51e0\u4e4e\u201d\u53ef\u4ee5\u76f4\u63a5\u89c4\u907f\u6389\u4e86&#xff0c;\u4f46\u662f&#xff0c;\u7531\u4e8e\u88f8\u6307\u9488\u3001UnsafeCell \u7b49\u4e00\u4e9b\u7279\u6b8a\u673a\u5236\u53ef\u4ee5\u6253\u5f00\u201c\u540e\u95e8\u201d&#xff0c;\u8ba9\u4e00\u4e9b\u7c7b\u578b\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u53d8\u5f97\u4e0d\u5b89\u5168\u4e86&#xff0c;\u6240\u4ee5 Rust \u624d\u5f15\u5165\u4e86 Send \u548c Sync \u5bf9\u7c7b\u578b\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u8fdb\u884c\u6807\u8bb0\u3002\u800c\u5728\u5176\u4ed6\u8bed\u8a00\u91cc&#xff0c;\u4e00\u4e2a\u7c7b\u578b\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u662f\u5426\u4f1a\u6210\u4e3a\u201c\u88ab\u7ade\u4e89\u7684\u6570\u636e\u201d\u5e76\u4e0d\u53d6\u51b3\u4e8e\u7c7b\u578b\u81ea\u8eab&#xff0c;\u56e0\u4e3a\u6ca1\u6709\u6240\u6709\u6743\u548c\u501f\u7528\u68c0\u67e5\u673a\u5236\u7684\u52a0\u6301&#xff0c;\u7c7b\u578b\u81ea\u5df1\u6839\u672c\u5de6\u53f3\u4e0d\u4e86\u8fd9\u4ef6\u4e8b&#xff0c;\u53ea\u80fd\u9760\u5199\u7a0b\u5e8f\u7684\u4eba\u6765\u4fdd\u8bc1&#xff1a;\u8981\u4e48\u4e0d\u4f1a\u5199\u51fa\u5728\u591a\u7ebf\u7a0b\u4e0b\u65e2\u8bfb\u53c8\u5199\u7684\u4ee3\u7801&#xff0c;\u8981\u4e48\u7ed9\u53d8\u91cf\u6dfb\u52a0\u540c\u6b65\u4fdd\u62a4\u3002<\/p>\n<hr class=\"footnotes-sep\" \/>\n<li id=\"fn1\" class=\"footnote-item\">\n<p>\u5982\u679c\u4f60\u5bf9\u6b64\u8868\u793a\u6000\u7591&#xff0c;\u53ef\u4ee5\u53c2\u8003\u300a\u4e00\u4e2a Rust \u591a\u7ebf\u7a0b\u7684\u7b3c\u7edf\u95ee\u9898&#xff1a;\u4e00\u4e2a\u503c\u548c\u5b83\u7684\u5f15\u7528\u4ea4\u53c9\u5206\u5e03\u4e8e\u4e0d\u540c\u7ebf\u7a0b\u4e2d\u53ef\u4ee5\u6709\u591a\u5c11\u79cd\u60c5\u51b5&#xff1f;\u54ea\u4e9b\u662f\u5408\u6cd5\u7684&#xff1f;\u300b \u21a9\ufe0e<\/p>\n<\/li>\n<li id=\"fn2\" class=\"footnote-item\">\n<p>\u901a\u8fc7 Rc::get_mut \u53ef\u4ee5\u62ff\u5230 Option&lt;&amp;mut T&gt;&#xff0c;\u4f46\u662f\u5b83\u4f1a\u68c0\u67e5 strong &#061;&#061; 1 &amp;&amp; weak &#061;&#061; 1&#xff1b;\u901a\u8fc7 Rc::try_unwrap \u53ef\u4ee5\u62ff\u5230 Result&lt;T, Rc&lt;T&gt;&gt;&#xff0c;\u4f46\u662f\u5b83\u4f1a\u68c0\u67e5 strong &#061;&#061; 1&#xff0c;\u8fd9\u4e9b\u64cd\u4f5c\u90fd\u662f\u8981\u6c42\u53ea\u5269\u4e00\u4e2a Rc \u5b9e\u4f8b\u65f6\u624d\u53ef\u4ee5\u64cd\u4f5c&#xff0c;\u4ee5\u5728\u591a\u4e2a Rc \u5e76\u5b58\u7684\u573a\u666f\u4e0b,\u6bcf\u4e2a\u7ebf\u7a0b\u80fd\u62ff\u5230\u7684\u53ea\u6709 &amp;T\u3002 \u21a9\ufe0e<\/p>\n<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f551. \u6545\u4e8b\u59cb\u4e8e\u201c\u6570\u636e\u7ade\u4e89\u201d2. Sync \u5835\u4e0a\u4e86\u4e0d\u53ef\u53d8\u5f15\u7528\u7684\u6f0f\u6d1e3. Send \u5835\u4e0a\u4e86\u8de8\u7ebf\u7a0b move \u7684\u6f0f\u6d1e4. Send \/ Sync \u66f4\u6df1\u5c42\u6210\u56e0\u7684\u6d1e\u5bdf5. \u5728\u6253\u6807\u8bb0\u8fd9\u4ef6\u4e8b\u4e0a\u7f16\u8bd1\u5668\u505a\u4e86\u4ec0\u4e48&#xff1f;6. \u4e3a\u4ec0\u4e48\u5176\u4ed6\u8bed\u8a00\u91cc\u6ca1\u6709 Send \/ Sync\u5766\u7387\u5730\u8bf4&#xff0c;\u76ee\u524d\u5927\u591a\u6570\u4ecb\u7ecd Send \/ Sync \u7684\u6587\u7ae0\u90fd\u6709\u4e9b\u201c\u9694\u9774\u6414\u75d2\u201d\u7684\u611f\u89c9&#xff0c;\u5b83\u4eec\u786e\u5b9e\u4ecb\u7ecd\u4e86\u8fd9\u4e24\u4e2a Trait \u4f46\u8bfb\u5b8c\u4e4b\u540e\u53c8\u611f\u89c9\u597d\u50cf\u4ec0\u4e48\u4e5f\u6ca1\u8bf4\u3002Send \/ Sync \u53ea\u662f\u4e24\u4e2a\u6807\u8bb0\u7279<\/p>\n","protected":false},"author":2,"featured_media":100600,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[11497,11498,11499,206,586],"topic":[],"class_list":["post-100602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-send","tag-sync","tag-11499","tag-rust","tag-586"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync - \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\/100602.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u76ee\u5f551. \u6545\u4e8b\u59cb\u4e8e\u201c\u6570\u636e\u7ade\u4e89\u201d2. Sync \u5835\u4e0a\u4e86\u4e0d\u53ef\u53d8\u5f15\u7528\u7684\u6f0f\u6d1e3. Send \u5835\u4e0a\u4e86\u8de8\u7ebf\u7a0b move \u7684\u6f0f\u6d1e4. Send \/ Sync \u66f4\u6df1\u5c42\u6210\u56e0\u7684\u6d1e\u5bdf5. \u5728\u6253\u6807\u8bb0\u8fd9\u4ef6\u4e8b\u4e0a\u7f16\u8bd1\u5668\u505a\u4e86\u4ec0\u4e48&#xff1f;6. \u4e3a\u4ec0\u4e48\u5176\u4ed6\u8bed\u8a00\u91cc\u6ca1\u6709 Send \/ Sync\u5766\u7387\u5730\u8bf4&#xff0c;\u76ee\u524d\u5927\u591a\u6570\u4ecb\u7ecd Send \/ Sync \u7684\u6587\u7ae0\u90fd\u6709\u4e9b\u201c\u9694\u9774\u6414\u75d2\u201d\u7684\u611f\u89c9&#xff0c;\u5b83\u4eec\u786e\u5b9e\u4ecb\u7ecd\u4e86\u8fd9\u4e24\u4e2a Trait \u4f46\u8bfb\u5b8c\u4e4b\u540e\u53c8\u611f\u89c9\u597d\u50cf\u4ec0\u4e48\u4e5f\u6ca1\u8bf4\u3002Send \/ Sync \u53ea\u662f\u4e24\u4e2a\u6807\u8bb0\u7279\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/100602.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-04T13:41:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260904134103-6a9aca6fdbab9.png\" \/>\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\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100602.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/100602.html\",\"name\":\"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-09-04T13:41:05+00:00\",\"dateModified\":\"2026-09-04T13:41:05+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/100602.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/100602.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100602.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync\"}]},{\"@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":"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync - \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\/100602.html","og_locale":"zh_CN","og_type":"article","og_title":"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u76ee\u5f551. \u6545\u4e8b\u59cb\u4e8e\u201c\u6570\u636e\u7ade\u4e89\u201d2. Sync \u5835\u4e0a\u4e86\u4e0d\u53ef\u53d8\u5f15\u7528\u7684\u6f0f\u6d1e3. Send \u5835\u4e0a\u4e86\u8de8\u7ebf\u7a0b move \u7684\u6f0f\u6d1e4. Send \/ Sync \u66f4\u6df1\u5c42\u6210\u56e0\u7684\u6d1e\u5bdf5. \u5728\u6253\u6807\u8bb0\u8fd9\u4ef6\u4e8b\u4e0a\u7f16\u8bd1\u5668\u505a\u4e86\u4ec0\u4e48&#xff1f;6. \u4e3a\u4ec0\u4e48\u5176\u4ed6\u8bed\u8a00\u91cc\u6ca1\u6709 Send \/ Sync\u5766\u7387\u5730\u8bf4&#xff0c;\u76ee\u524d\u5927\u591a\u6570\u4ecb\u7ecd Send \/ Sync \u7684\u6587\u7ae0\u90fd\u6709\u4e9b\u201c\u9694\u9774\u6414\u75d2\u201d\u7684\u611f\u89c9&#xff0c;\u5b83\u4eec\u786e\u5b9e\u4ecb\u7ecd\u4e86\u8fd9\u4e24\u4e2a Trait \u4f46\u8bfb\u5b8c\u4e4b\u540e\u53c8\u611f\u89c9\u597d\u50cf\u4ec0\u4e48\u4e5f\u6ca1\u8bf4\u3002Send \/ Sync \u53ea\u662f\u4e24\u4e2a\u6807\u8bb0\u7279","og_url":"https:\/\/www.wsisp.com\/helps\/100602.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-09-04T13:41:05+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260904134103-6a9aca6fdbab9.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"5 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/100602.html","url":"https:\/\/www.wsisp.com\/helps\/100602.html","name":"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-09-04T13:41:05+00:00","dateModified":"2026-09-04T13:41:05+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/100602.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/100602.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/100602.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u4e07\u7269\u7686\u53ef\u591a\u7ebf\u7a0b\uff1f\u6df1\u5165\u89e3\u8bfb Rust \u7684 Send \u548c Sync"}]},{"@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\/100602","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=100602"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100602\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/100600"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=100602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=100602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=100602"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=100602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}