{"id":1314,"date":"2023-10-01T12:49:09","date_gmt":"2023-10-01T04:49:09","guid":{"rendered":"https:\/\/summid.icu\/?p=1314"},"modified":"2023-10-01T15:35:26","modified_gmt":"2023-10-01T07:35:26","slug":"stasktutorials1","status":"publish","type":"post","link":"https:\/\/summid.icu\/index.php\/2023\/10\/01\/stasktutorials1\/","title":{"rendered":"Unity\u5f02\u6b65\u6269\u5c55\u5b9e\u8df5\uff08\u4e00\uff09\u2014\u2014\u4ee5UniTask\u5e93\u4e3a\u53c2\u8003"},"content":{"rendered":"\n<p><a href=\"https:\/\/github.com\/Summid\/STask\" target=\"_blank\" rel=\"noreferrer noopener\">STask GitHub\u4ed3\u5e93\u94fe\u63a5<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u80cc\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What?<\/h3>\n\n\n\n<p>\u5f02\u6b65\u65b9\u6cd5\u8bde\u751f\u4e8eC# 5\u65f6\u4ee3\uff0c\u5b83\u57fa\u4e8e <code>Task<\/code> \u548c <code>Task&lt;T&gt;<\/code> \u7c7b\u578b\uff0c\u8ba9C#\u5728\u5f02\u6b65\u7f16\u7a0b\u9886\u57df\u7684\u601d\u60f3\u4ea7\u751f\u4e86\u5de8\u5927\u8f6c\u53d8\u3002\u4ee5\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5185\u5bb9\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>static async Task Main(string&#91;] args)\n{\n    string fileName = \"d:\/1.txt\";\n    string s = await File.ReadAllTextAsync(fileName);\n    Console.WriteLine(s);\n}<\/code><\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u5c06<strong>\u7b49\u5f85<\/strong>\u8bfb\u53d6\u5b8c\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u540e\uff0c\u5c06\u5176\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u7a97\u53e3\u4e2d\u3002C#\u4e2d\u5bf9\u4e8e\u6587\u4ef6\u64cd\u4f5c\u7684\u65b9\u6cd5\u51e0\u4e4e\u90fd\u6709\u4e0e\u4e4b\u5bf9\u5e94\u7684\u5f02\u6b65\u7248\u672c\u3002\u5728\u5f02\u6b65\u65b9\u6cd5\u51fa\u73b0\u4e4b\u524d\uff0c\u8981\u5b9e\u73b0\u5f02\u6b65\u64cd\u4f5c\u7684\u529f\u80fd\uff0c\u9700\u8981\u7a0b\u5e8f\u5458\u624b\u52a8\u5f00\u542f\u65b0\u7ebf\u7a0b\uff0c\u5e76\u5c06\u4efb\u52a1\u5206\u914d\u7ed9\u7ebf\u7a0b\uff0c\u7136\u540e\u76d1\u542c\u7ebf\u7a0b\u5b8c\u6210\u5de5\u4f5c\u7684\u60c5\u51b5\uff0c\u5f85\u4efb\u52a1\u7ed3\u675f\u540e\u8fd8\u9700\u5173\u95ed\u7ebf\u7a0b\u3002\u5982\u6b64\u590d\u6742\u7684\u6b65\u9aa4\u65e0\u7591\u7ed9\u7a0b\u5e8f\u5458\u589e\u52a0\u4e86\u5de5\u4f5c\u8d1f\u62c5\u2014\u2014\u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u6027\u80fd\uff0c\u6211\u4eec\u540c\u65f6\u4ed8\u51fa\u4e86\u590d\u6742\u7f16\u7801\u7684\u4ee3\u4ef7\u3002<\/p>\n\n\n\n<p>\u800c\u5f02\u6b65\u65b9\u6cd5\u51fa\u73b0\u4e4b\u540e\uff0c\u5176\u5c06\u7f16\u7801\u7b80\u5316\u5230\u4e86\u4ec5\u9760\u4e24\u4e2a\u5173\u952e\u5b57\uff08<code>async<\/code>\u3001<code>await<\/code>\uff09\u548c <code>Task<\/code> \u5bf9\u8c61\u5c31\u80fd\u4ee5\u540c\u6b65\u7f16\u7a0b\u7684\u65b9\u5f0f\u5b9e\u73b0\u5f02\u6b65\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u5f02\u6b65\u65b9\u6cd5\u7684\u5b9e\u73b0\u539f\u7406\u5176\u5b9e\u5f88\u7b80\u5355\u2014\u2014\u5728\u7a0b\u5e8f\u7f16\u8bd1\u524d\uff0c\u7f16\u8bd1\u5668\u4f1a\u5c06\u5f02\u6b65\u65b9\u6cd5\u8f6c\u6362\u4e3a\u72b6\u6001\u673a\uff0c\u5f53 <code>await<\/code> \u8bed\u53e5\u540e\u9762\u7684\u4efb\u52a1\u6ca1\u6709\u5b8c\u6210\u65f6\uff0c\u72b6\u6001\u673a\u5c06\u6267\u884c\u5230\u8fd9\u4e00\u53e5\u5e76\u7b49\u5f85\uff0c\u800c\u5728\u7b49\u5f85\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7ebf\u7a0b\u5c06\u53bb\u6267\u884c\u5176\u4ed6\u4efb\u52a1\uff0c\u4e0d\u4f1a\u4e00\u76f4\u963b\u585e\u5728\u8fd9\u91cc\u3002\u4e00\u65e6\u4efb\u52a1\u5b8c\u6210\uff0c\u72b6\u6001\u673a\u88ab\u63a8\u52a8\u5230\u4e0b\u4e00\u4e2a\u72b6\u6001\uff0c\u7ebf\u7a0b\u7ee7\u7eed\u6267\u884c <code>await<\/code> \u8bed\u53e5\u5230\u4e4b\u540e\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u5f02\u6b65\u65b9\u6cd5\u65f6\uff0c\u7a0b\u5e8f\u5458\u5bf9\u5176\u4e2d\u7684\u7ebf\u7a0b\u5207\u6362\u51e0\u4e4e\u6ca1\u6709\u4efb\u4f55\u611f\u77e5\u3002<strong>\u5728 <code>.NET<\/code> \u5b9e\u73b0\u4e2d\uff0c\u6267\u884c <code>await<\/code> \u8bed\u53e5\u4e4b\u524d\u548c\u4e4b\u540e\u4ee3\u7801\u7684\u7ebf\u7a0b\u662f\u6709\u53ef\u80fd\u4e0d\u540c\u7684\u3002<\/strong>\u867d\u7136\u6709\u7ebf\u7a0b\u5207\u6362\uff0c\u4f46\u6211\u4eec\u4e0d\u9700\u8981\u5173\u5fc3\u5176\u4e2d\u7684\u7ec6\u8282\uff0c<code>.NET<\/code> \u5df2\u7ecf\u5e2e\u6211\u4eec\u5b8c\u6210\u4e86\u5176\u4e2d\u7684\u810f\u6d3b\u7d2f\u6d3b\uff0c\u8ba9\u7ed3\u679c\u770b\u8d77\u6765\u548c\u5355\u7ebf\u7a0b\u4e00\u81f4\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5c06 <code>Task<\/code> \u7c7b\u578b\u770b\u4f5c\u5bf9\u591a\u7ebf\u7a0b\u7684\u5305\u88c5\uff0c\u5c06\u5f02\u6b65\u65b9\u6cd5\u770b\u4f5c\u5bf9 <code>Task<\/code> \u7c7b\u578b\u7684\u6269\u5c55\u3002\u5f02\u6b65\u65b9\u6cd5\u7684 <code>async<\/code> \u548c <code>await<\/code> \u5173\u952e\u5b57\u672c\u8d28\u4e0a\u662fC#\u63d0\u4f9b\u7684\u8bed\u6cd5\u7cd6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why?<\/h3>\n\n\n\n<p>\u5f02\u6b65\u65b9\u6cd5\u7684\u8bed\u6cd5\u5982\u6b64\u4f18\u7f8e\uff0c\u8fd0\u884c\u539f\u7406\u4e5f\u79d1\u5b66\u6709\u6548\uff0c\u6211\u4eec\u4e3a\u4f55\u8fd8\u9700\u8981\u57fa\u4e8eC#\u7684\u5f02\u6b65\u673a\u5236\uff0c\u91cd\u65b0\u9020\u4e00\u4e2a\u8f6e\u5b50\u5462\uff1f<\/p>\n\n\n\n<p>\u5f53\u67d0\u9879\u7b80\u5355\u6613\u7528\u7684\u65b0\uff08yu\uff09\u6280\uff08fa\uff09\u672f\uff08tang\uff09\u8bde\u751f\u540e\uff0c\u5b83\u5f88\u5bb9\u6613\u5728\u9879\u76ee\u4e2d\u88ab\u201c\u6ee5\u7528\u201d\uff0c\u5e76\u4e14\u7528\u6237\u4f1a\u5ffd\u7565\u5176\u80cc\u540e\u7684\u4ee3\u4ef7\u3002\u5728\u4f7f\u7528\u5f02\u6b65\u65b9\u6cd5\u65f6\uff0c\u4f1a\u6709\u9690\u5f62\u7684\u7533\u8bf7 <code>Task<\/code> \u5bf9\u8c61\u5185\u5b58\u7684\u6027\u80fd\u6d88\u8017\u2014\u2014\u867d\u7136\u6211\u4eec\u6ca1\u6709\u76f4\u63a5\u7533\u8bf7\u5b83\uff0c\u4f46\u5f02\u6b65\u65b9\u6cd5\u72b6\u6001\u673a\u5374\u8fd9\u4e48\u505a\u4e86\u3002<\/p>\n\n\n\n<p>\u540e\u6765 <code>.NET<\/code> \u63a8\u51fa\u4e86 <code>ValueTask<\/code> \u7c7b\u578b\uff0c\u89e3\u51b3\u4e86\u5f53\u5f02\u6b65\u65b9\u6cd5\u4ee5\u540c\u6b65\u7684\u65b9\u5f0f\u5b8c\u6210\u65f6\uff0c\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5f00\u9500\u3002\u4f46\u8fd9\u8db3\u591f\u597d\u4e86\u5417\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053Unity\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u4efb\u4f55\u8ddf\u5f15\u64ce\u76f8\u5173\u7684\u64cd\u4f5c\u90fd\u5fc5\u987b\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u8fdb\u884c\uff0c\u800c\u5f02\u6b65\u65b9\u6cd5\u5185\u90e8\u662f\u5b58\u5728\u7ebf\u7a0b\u5207\u6362\u7684\uff0c\u8fd9\u5c31\u662f\u95ee\u9898\u6240\u5728\u3002\u867d\u7136Unity\u7684 <code>.NET<\/code> \u5b9e\u73b0\u5e93\u4f1a\u786e\u4fdd <code>await<\/code> \u8bed\u53e5\u540e\u9762\u7684\u4ee3\u7801\u4ecd\u7136\u4f1a\u4ea4\u7531\u4e3b\u7ebf\u7a0b\u6267\u884c\uff0c\u4f46\u5176\u80cc\u540e\u4ecd\u7136\u6709\u9488\u5bf9\u201c\u540c\u6b65\u4e0a\u4e0b\u6587\u201d\u6240\u8fdb\u884c\u7684\u4e0d\u5fc5\u8981\u7684\u64cd\u4f5c\uff0c\u8fd9\u4e5f\u662f\u989d\u5916\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u6027\u80fd\u95ee\u9898\uff0c\u5f02\u6b65\u65b9\u6cd5\u80fd\u5e26\u7ed9\u6211\u4eec\u7684\u4e0d\u53ea\u662f\u7b49\u5f85\u8d44\u6e90\u52a0\u8f7d\uff0c\u7b49\u5f85\u7f51\u7edc\u8bf7\u6c42\u8fd4\u56de\u8fd9\u4e9b\u4fbf\u6377\uff0c\u6211\u4eec\u751a\u81f3\u53ef\u4ee5\u7f16\u5199\u81ea\u5df1\u7684\u53ef\u7b49\u5f85\u5bf9\u8c61\uff0c\u4e00\u884c\u4ee3\u7801\u5b9e\u73b0\u7b49\u5f85N\u79d2\u3001N\u5e27\u7684\u6548\u679c\uff0c\u5f7b\u5e95\u6446\u8131\u534f\u7a0b\uff0c\u540c\u65f6\u505a\u5230 0 GC\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>AssetBundle ab = await AssetBundle.LoadFromFileAsync(path);\/\/\u7b49\u5f85\u8d44\u6e90\u52a0\u8f7d\n\nvar txt = (await UnityWebRequest.Get(\"https:\/\/...\").SendWebRequest()).downloadHandler.text;\/\/\u7b49\u5f85\u7f51\u7edc\u8bf7\u6c42\n\nawait UniTask.Delay(TimeSpan.FromSeconds(10));\/\/\u7b49\u5f85\u5341\u79d2\n\nawait UniTask.NextFrame();\/\/\u7b49\u5f85\u5230\u4e0b\u4e00\u5e27<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">How?<\/h3>\n\n\n\n<p>\u597d\u6d88\u606f\u662f\uff0c\u6211\u4eec\u5df2\u7ecf\u6709\u4e86\u5c4c\u70b8\u5929\u7684 <code>UniTask<\/code> \u5e93\uff0c\u4f60\u80fd\u60f3\u5230\u7684\uff0c\u5b83\u5df2\u7ecf\u5e2e\u4f60\u5b9e\u73b0\u597d\u4e86\uff0c\u6682\u65f6\u6ca1\u60f3\u5230\u7684\uff0c\u5b83\u4e5f\u63d0\u524d\u505a\u597d\u4e86\uff0c\u5e76\u4e14\u5b83\u514d\u8d39\u5f00\u6e90\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/Cysharp\/UniTask\" target=\"_blank\" rel=\"noreferrer noopener\">github\u5730\u5740<\/a><\/p>\n\n\n\n<p>\u60f3\u8981\u5feb\u901f\u4e86\u89e3\u548c\u4e0a\u624b\u7684\u540c\u5b66\uff0c\u53ef\u4ee5\u9605\u8bfb\u4ed3\u5e93\u4e2d\u7684\u6587\u6863\uff0c\u652f\u6301\u4e2d\u6587\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u60f3\u8981\u6df1\u5165\u5b66\u4e60 <code>UniTask<\/code> \u6e90\u7801\u7684\u5c0f\u4f19\u4f34\uff0c\u6253\u5f00\u9879\u76ee\u540e\u53ef\u80fd\u4f1a\u88ab\u5176\u4e2d\u5927\u91cf\u7684\u63a5\u53e3\u3001\u6269\u5c55\u65b9\u6cd5\u3001\u5de5\u5177\u7c7b\u7ed9\u5f04\u5f97\u4e00\u8138\u61f5\u903c\u3002\u4f46\u7ecf\u8fc7\u7b14\u8005\u7684\u5927\u81f4\u7814\u7a76\u4e4b\u540e\uff0c\u53d1\u73b0 <code>UniTask<\/code> \u5e93\u5bf9\u4e8e\u521a\u63a5\u89e6C#\u7f16\u7a0b\u7684\u5c0f\u4f19\u4f34\u662f\u975e\u5e38\u5177\u6709\u7814\u7a76\u4ef7\u503c\u7684\uff0c\u56e0\u6b64\u8fd9\u7bc7\u6587\u7ae0\u5c06\u4ee5 <code>UniTask<\/code> \u4e3a\u4f8b\uff0c\u4ece\u539f\u7406\u5230\u4ee3\u7801\u5206\u4eab\u7b14\u8005\u7684 Unity \u5f02\u6b65\u5e93\u5b9e\u73b0\u7684\u7ecf\u9a8c\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\u55f7\uff1a<\/strong>\u7531\u4e8e <code>UniTask<\/code> \u5e93\u4e2d\u6709\u8bb8\u591a\u975e\u6838\u5fc3\u7684\u9644\u52a0\u4ee3\u7801\uff0c\u6bd4\u5982\u4e3a\u4e86\u517c\u5bb9\u4e0d\u540c\u7248\u672c\u7684C#\u3001Unity\uff0c\u4ee5\u53ca\u7f16\u8f91\u5668\u76f8\u5173\u7684\u4ee3\u7801\u3002\u8fd9\u4e9b\u4ee3\u7801\u5bf9\u5b9e\u73b0\u5f02\u6b65\u5e93\u7684\u6838\u5fc3\u529f\u80fd\u6ca1\u6709\u5b9e\u8d28\u4e0a\u7684\u4f5c\u7528\uff0c\u540e\u6587\u7684\u4ee3\u7801\u90e8\u5206\u4f1a\u5c06\u8fd9\u90e8\u5206\u7ed9\u53bb\u9664\u6389\uff0c\u65b9\u4fbf\u5927\u4f19\u513f\u7406\u89e3\u3002\u56e0\u6b64\u4e3a\u4e86\u8ddf <code>UniTask<\/code> \u533a\u5206\uff0c\u540e\u9762\u6211\u4eec\u5c06\u5f02\u6b65\u5e93\u547d\u540d\u4e3a <code>STask<\/code> \uff0cS \u4ee3\u8868\u7740 Simple\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u539f\u7406<\/h2>\n\n\n\n<p>\u60f3\u8981\u81ea\u5df1\u5b9e\u73b0\u4e00\u5957\u57fa\u4e8e\u5173\u952e\u5b57 <code>async<\/code> \u3001 <code>await<\/code> \u7684\u9ad8\u6548\u5f02\u6b65\u673a\u5236\uff0c\u6211\u4eec\u9700\u8981\u6709\u81ea\u5df1\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Task Type\uff0c\u5373\u53ef\u4ee5\u88ab <code>await<\/code> \u7b49\u5f85\u7684\uff0c\u7c7b\u4f3c <code>Task<\/code> \u7684\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>Builder Type\uff0c\u8be5\u7c7b\u578b\u5305\u542b\u7684\u6210\u5458\uff0c\u53ef\u4ee5\u770b\u4f5c\u662f\u72b6\u6001\u673a\u5bf9\u5916\u63d0\u4f9b\u7684\u63a5\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u5e94\u8be5\u600e\u4e48\u5b9e\u73b0\u8fd9\u4fe9\u7c7b\u578b\u5462\uff1f\u5176\u5b9e\u5fae\u8f6f\u5df2\u7ecf\u6709\u6587\u6863\u5e2e\u6211\u4eec\u603b\u7ed3\u4e86\u6b65\u9aa4\uff1a<a href=\"https:\/\/github.com\/dotnet\/roslyn\/blob\/main\/docs\/features\/task-types.md\" target=\"_blank\" rel=\"noreferrer noopener\">\u6587\u6863\u8df3\u8f6c<\/a> \u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u7b80\u5355\u8bf4\u660e\u4e0b\u8be5\u6587\u6863\u7684\u91cd\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Task Type<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u81ea\u5b9a\u4e49 <code>task<\/code> \u53ef\u4ee5\u662f <code>class<\/code> \u6216 <code>struct<\/code> \u7c7b\u578b\u3002\u540e\u7eed\u5b9e\u8df5\u6211\u4eec\u5c06\u91c7\u7528 <code>struct<\/code> \u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49 <code>task<\/code> \u9700\u8981\u7528\u7279\u6027 <code>System.Runtime.CompilerServices.AsyncMethodBuilderAttribute<\/code> \u6807\u8bb0\uff0c\u6765\u4e0e\u5f02\u6b65\u72b6\u6001\u673a\u5efa\u7acb\u5173\u7cfb\u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49 <code>task<\/code> \u53ef\u4ee5\u6709\u6cdb\u578b\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u7528\u4e8e\u5f02\u6b65\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u7c7b\u578b\uff1b\u4e5f\u53ef\u4ee5\u6ca1\u6709\u6cdb\u578b\u53c2\u6570\u3002<\/li>\n\n\n\n<li>\u81ea\u5b9a\u4e49 <code>task<\/code> \u9700\u8981\u5b9a\u4e49\u6709 <code>GetAwaiter()<\/code> \u65b9\u6cd5\uff08\u6269\u5c55\u65b9\u6cd5\u4e5f\u53ef\u4ee5\uff09\uff0c\u6709\u4e86\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u5176\u53ef\u4ee5\u88ab <code>await<\/code> \u5173\u952e\u5b57\u201c\u7b49\u5f85\u201d\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u6839\u636e\u4e0a\u9762\u7684\u9700\u6c42\uff0c\u6211\u4eec\u7684\u81ea\u5b9a\u4e49 <code>task<\/code> \u4f1a\u5982\u540c\u4e0b\u65b9\u7684\u5b9e\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;AsyncMethodBuilder(typeof(MyTaskMethodBuilder&lt;&gt;))]\nclass MyTask&lt;T&gt;\n{\n    public Awaiter&lt;T&gt; GetAwaiter();\n}\n\n\/\/\u9664\u4e86\u81ea\u5b9a\u4e49 task \u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u9700\u5b9a\u4e49\u5176\u4f7f\u7528\u7684 Awaiter \u7c7b\u578b\nclass Awaiter&lt;T&gt; : INotifyCompletion\n{\n    public bool IsCompleted { get; } \/\/\u7b49\u5f85\u524d\uff0c\u72b6\u6001\u673a\u5c06\u901a\u8fc7\u8be5\u53d8\u91cf\u5224\u65ad task \u662f\u5426\u5df2\u7ecf\u5b8c\u6210\u5de5\u4f5c\n    public T GetResult(); \/\/task\u5b8c\u6210\u5de5\u4f5c\u540e\uff0c\u72b6\u6001\u673a\u901a\u8fc7\u8be5\u65b9\u6cd5\u83b7\u53d6\u7ed3\u679c\n    public void OnCompleted(Action completion); \/\/\u5f53\u9700\u8981\u7b49\u5f85\u65f6\uff0c\u72b6\u6001\u673a\u8c03\u7528\u8be5\u65b9\u6cd5\u6ce8\u518c\u56de\u8c03\uff0c\u5373await\u5173\u952e\u5b57\u4e4b\u540e\u7684\u4ee3\u7801\n}<\/code><\/pre>\n\n\n\n<p>\u5173\u4e8e <code>Awaiter<\/code> \u7c7b\u578b\uff0c\u9664\u4e86\u5176\u5b9e\u73b0\u63a5\u53e3\u7684 <code>OnCompleted<\/code> \u65b9\u6cd5\u4e4b\u5916\uff0c<code>IsCompleted<\/code> \u548c <code>GetResult<\/code> \u8fd9\u4fe9\u6210\u5458\u662f<strong>\u4e0d\u53ef\u7701\u7565<\/strong>\u7684\uff0c\u5728\u7f16\u8bd1\u671f\u95f4\u7f16\u8bd1\u5668\u4f1a\u68c0\u67e5\uff0c\u82e5\u51fa\u73b0\u7f3a\u7701\u7684\u60c5\u51b5\u4f1a\u5bfc\u81f4\u7f16\u8bd1\u4e0d\u901a\u8fc7\u54e6\u3002\u6211\u4eec\u4f1a\u5728\u540e\u9762\u8ba8\u8bba\u5176\u5de5\u4f5c\u7ec6\u8282\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Builder Type<\/h3>\n\n\n\n<p>\u63a5\u7740\u6211\u4eec\u6765\u770b <code>builder<\/code> \u6709\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>builder<\/code> \u53ef\u4ee5\u4e3a <code>class<\/code> \u6216 <code>struct<\/code> \u7c7b\u578b\u3002\u5728\u540e\u9762\u7684\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u7684 <code>builder<\/code> \u4e3a <code>struct<\/code> \u7c7b\u578b\u3002<\/li>\n\n\n\n<li><code>builder<\/code> \u53ef\u4ee5\u6709\u81f3\u591a\u4e00\u4e2a\u6cdb\u578b\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u53ef\u7528\u4f5c\u5f02\u6b65\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u5e76\u4e14\u81ea\u8eab\u4e0d\u80fd\u4f5c\u4e3a\u6cdb\u578b\u7c7b\u578b\u3002<\/li>\n\n\n\n<li><code>builder<\/code> \u9700\u8981\u5b9a\u4e49\u4ee5\u4e0b\u8bbf\u95ee\u7ea7\u522b\u4e3a <code>public<\/code> \u7684\u65b9\u6cd5\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>class MyTaskMethodBuilder&lt;T&gt;\n{    \n    public static MyTaskMethodBuilder&lt;T&gt; Create(); \/\/static\n\n    public void Start&lt;TStateMachine&gt;(ref TStateMachine stateMachine)\n        where TStateMachine : IAsyncStateMachine;\n    \n    public void SetStateMachine(IAsyncStateMachine stateMachine);\n    public void SetException(Exception exception);\n    public void SetResult(T result); \/\/\u82e5\u662f\u65e0\u6cdb\u578b\u72b6\u6001\u673a\uff0c\u8be5\u65b9\u6cd5\u4e5f\u6ca1\u6709\u53c2\u6570\n\n    public void AwaitOnCompleted&lt;TAwaiter, TStateMachine&gt;(\n        ref TAwaiter awaiter, ref TStateMachine stateMachine)\n        where TAwaiter : INotifyCompletion\n        where TStateMachine : IAsyncStateMachine;\n    public void AwaitUnsafeOnCompleted&lt;TAwaiter, TStateMachine&gt;(\n        ref TAwaiter awaiter, ref TStateMachine stateMachine)\n        where TAwaiter : ICriticalNotifyCompletion\n        where TStateMachine : IAsyncStateMachine;\n\n    public MyTask&lt;T&gt; Task { get; } \/\/task-like\u5bf9\u8c61\n}<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e0b\u9762\u6211\u4eec\u6765\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u72b6\u6001\u673a\u7684\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n\n\n\n<p>\u4e3a\u4e86\u8ba9\u6211\u4eec\u66f4\u76f4\u89c2\u5730\u7406\u89e3\u5f02\u6b65\u65b9\u6cd5\u7684\u5de5\u4f5c\u673a\u5236\uff0c\u8f6f\u4ef6\u5de5\u7a0b\u4e4b\u795e\u964d\u4e0b\u5b83\u7684\u8363\u5149\uff0c\u4e00\u5f20\u6d41\u7a0b\u56fe\u51fa\u73b0\u5728\u773c\u524d\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/summid.icu\/wp-content\/uploads\/2023\/10\/AsyncSequenceDiagram-1024x574.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"574\" data-original=\"https:\/\/summid.icu\/wp-content\/uploads\/2023\/10\/AsyncSequenceDiagram-1024x574.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1310\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u5f20\u6d41\u7a0b\u56fe\u53ef\u4ee5\u8ba9\u6211\u4eec\u5bf9\u5f02\u6b65\u673a\u5236\u6709\u4e00\u4e2a\u5927\u6982\u5370\u8c61\uff0c\u76ee\u524d\u6211\u4eec\u4e0d\u7528\u5c06\u91cc\u9762\u7684\u6bcf\u4e00\u6b65\u90fd\u7406\u89e3\u900f\u5f7b\u3002\u5728\u540e\u9762\u7684\u7ae0\u8282\u9488\u5bf9\u5176\u4e2d\u7ec6\u8282\u8fdb\u884c\u8ba8\u8bba\u65f6\uff0c\u53ef\u4ee5\u968f\u65f6\u56de\u6765\u590d\u4e60\u3002\u8bdd\u867d\u5982\u6b64\uff0c\u4f46\u6211\u4eec\u8fd8\u662f\u5f97\u7b80\u5355\u8bb2\u89e3\u4e0b\u6d41\u7a0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>FuncAAsync<\/code> \u662f\u4e00\u4e2a\u5f02\u6b65\u65b9\u6cd5\uff0c\u5176\u65b9\u6cd5\u4f53\u5305\u542b\u81f3\u5c11\u4e00\u4e2a <code>await<\/code> \u8bed\u53e5\u3002\u5f53\u7f16\u8bd1\u5668\u8bc6\u522b\u5230\u5f02\u6b65\u65b9\u6cd5\u540e\uff0c\u4f1a\u5728\u5f02\u6b65\u65b9\u6cd5\u5185\u751f\u6210\u4e00\u4e2a\u72b6\u6001\u673a\uff0c\u5373\u8fd9\u91cc\u7684 <code>GeneratedStateMachine<\/code> \u3002<\/li>\n\n\n\n<li>\u72b6\u6001\u673a\u751f\u6210\u540e\uff0c\u4e0e\u4e4b\u540c\u65f6 <code>MyBuilder<\/code> \u4e5f\u88ab\u521b\u5efa\u51fa\u6765\u3002\u524d\u9762\u8bf4\u8fc7 <code>builder type<\/code> \u53ef\u4ee5\u770b\u4f5c\u662f\u72b6\u6001\u673a\u5f00\u653e\u7ed9\u6211\u4eec\u7684\u63a5\u53e3\uff0c\u6211\u4eec\u80fd\u901a\u8fc7\u5b83\u5b9e\u73b0\u72b6\u6001\u673a\u7684\u90e8\u5206\u903b\u8f91\uff0c\u56e0\u6b64\u5b83\u5176\u5b9e\u4e5f\u662f\u72b6\u6001\u673a\u7684\u4e00\u90e8\u5206\u3002<code>MyBuilder<\/code> \u88ab\u521b\u5efa\u540e\uff0c\u9700\u8981\u8c03\u7528 <code>Start<\/code> \u65b9\u6cd5\u6765\u542f\u52a8\u72b6\u6001\u673a\u3002<\/li>\n\n\n\n<li><code>MyBuilder<\/code> \u7684 <code>Start<\/code> \u65b9\u6cd5\u6709\u4e00\u4e2a\u63a5\u53d7\u72b6\u6001\u673a\u5b9e\u4f8b\u7684\u53c2\u6570\uff0c\u5e76\u4e14\u72b6\u6001\u673a\u5185\u90e8\u5b9e\u73b0\u4e86 <code>MoveNext<\/code> \u65b9\u6cd5\uff0c\u7528\u4e8e\u63a8\u52a8\u72b6\u6001\u673a\u7684\u8fd0\u884c\u3002\u6211\u4eec\u5c31\u5728 <code>Start<\/code> \u65b9\u6cd5\u4e2d\u8c03\u7528 <code>MoveNext<\/code> \u6765\u542f\u52a8\u72b6\u6001\u673a\u3002\u5230\u8fd9\u4e00\u6b65\uff0c\u6211\u4eec\u7684\u4ee3\u7801\u5c06\u4f1a\u6267\u884c\u5230\u7b2c\u4e00\u4e2a <code>await<\/code> \u8bed\u53e5\u4e4b\u524d\u3002<\/li>\n\n\n\n<li>\u72b6\u6001\u673a\u9047\u5230\u4e86 <code>await<\/code> \u8bed\u53e5\uff0c\u88ab\u7b49\u5f85\u7684\u662f <code>FuncBAsync<\/code> \u5f02\u6b65\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u662f <code>MyTask<\/code> \u3002<\/li>\n\n\n\n<li>\u72b6\u6001\u673a\u8bbf\u95ee <code>builder<\/code> \u4e2d\uff0c\u53d8\u91cf\u540d\u4e3a <code>Task<\/code> \u7684\u6210\u5458\uff0c\u83b7\u53d6\u5230 <code>MyTask<\/code> \u7c7b\u578b\u3002\u4e4b\u540e\u8c03\u7528 <code>MyTask.GetAwaiter<\/code> \u65b9\u6cd5\uff0c\u5e76\u8bbf\u95ee\u7ed3\u679c\u4e2d\u7684 <code>IsCompleted<\/code> \u6210\u5458\u6765\u5224\u65ad\u7b49\u5f85\u4efb\u52a1\u662f\u5426\u5b8c\u6210\u3002\u82e5\u5df2\u7ecf\u5b8c\u6210\uff0c\u72b6\u6001\u673a\u5c06\u76f4\u63a5\u8bbf\u95ee <code>MyTaskAwaiter.GetResult<\/code> \u6765\u83b7\u53d6\u5f02\u6b65\u65b9\u6cd5\u7684\u6267\u884c\u7ed3\u679c\uff08\u672a\u5728\u56fe\u4e2d\u753b\u51fa\uff09\uff0c<code>FuncAAsync<\/code> \u5c06\u4ee5\u540c\u6b65\u7684\u65b9\u5f0f\u6267\u884c\uff08\u5047\u8bbe\u53ea\u6709\u4e00\u4e2a <code>await<\/code> \u8bed\u53e5\uff09\u3002<\/li>\n\n\n\n<li>\u5982\u679c <code>IsCompleted<\/code> \u7684\u8fd4\u56de\u7ed3\u679c\u4e3a\u672a\u5b8c\u6210\uff0c\u72b6\u6001\u673a\u5c06\u6267\u884c <code>builder.AwaitUnsafeOnCompleted<\/code> \u65b9\u6cd5\uff0c\u7528\u4e8e\u6ce8\u518c\u7b49\u5f85\u4efb\u52a1\u7ed3\u675f\u540e\u7684\u201c\u56de\u8c03\u65b9\u6cd5\uff08\u5176\u5b9e\u5c31\u662f\u72b6\u6001\u673a\u7684 <code>MoveNext<\/code> \u65b9\u6cd5\uff09\u201d\uff0c\u5373 <code>await<\/code> \u8bed\u53e5\u4e4b\u540e\u7684\u4ee3\u7801\u3002<\/li>\n\n\n\n<li>\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u8fd8\u672a\u8ba8\u8bba\u8fc7\u81ea\u5b9a\u4e49\u5f02\u6b65\u673a\u5236\u4e2d\u9700\u8981\u6211\u4eec\u5b9e\u73b0\u7684\u5177\u4f53\u7684\u903b\u8f91\u2014\u2014\u53ea\u6709 <code>builder<\/code> \u4e2d\u65b9\u6cd5\u7684\u5b9a\u4e49\u80af\u5b9a\u662f\u4e0d\u591f\u7684\uff0c\u6211\u4eec\u8981\u5982\u4f55\u5b9e\u73b0\u65b9\u6cd5\u7684\u529f\u80fd\uff1f\u7531\u6b64\u53ef\u89c1\u6211\u4eec\u8fd8\u9700\u8981\u4e00\u4e2a\u6253\u5de5\u4ed4\u6765\u5e2e\u6211\u4eec\u5e72\u6d3b\uff0c\u6240\u4ee5\u6211\u4eec\u5f15\u5165\u4e86 <code>MyMoveNextRunner<\/code> \u3002\u6211\u4eec\u4f1a\u5c06\u7b2c\u516d\u6b65\u4e2d\u7684\u201c\u56de\u8c03\u65b9\u6cd5\u201d\u4f20\u5230 <code>MyMoveNextRunner<\/code> \u4e2d\u8fdb\u884c\u5305\u88c5\u3002<\/li>\n\n\n\n<li>\u201c\u56de\u8c03\u65b9\u6cd5\u201d\u5305\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u901a\u8fc7\u8c03\u7528 <code>UnsafeOnCompleted(action)<\/code> \u65b9\u6cd5\uff0c\u5c06\u5b83\u4f20\u7ed9 <code>MyTaskAwaiter<\/code> \u3002\u8fd9\u6837\uff0c<code>MyTaskAwaiter<\/code> \u5c31\u62ff\u5230\u4e86 <code>await<\/code> \u8bed\u53e5\u540e\u9762\u7684\u4ee3\u7801\uff0c\u5f53\u5b83\u7ed3\u675f\u7b49\u5f85\u540e\uff0c\u77e5\u9053\u63a5\u4e0b\u6765\u8be5\u6267\u884c\u4ec0\u4e48\u3002<\/li>\n\n\n\n<li>\u5f53 <code>MyTaskAwaiter<\/code> \u7ed3\u675f\u7b49\u5f85\uff0c\u5b83\u5c06\u8c03\u7528\u72b6\u6001\u673a\u7684 <code>MoveNext<\/code> \u65b9\u6cd5\u6765\u63a8\u52a8\u72b6\u6001\u673a\u8fd0\u884c\u3002\u6b64\u65f6\u72b6\u6001\u673a\u5c06\u7ee7\u7eed\u6267\u884c <code>await<\/code> \u540e\u9762\u7684\u4ee3\u7801\uff0c\u76f4\u5230\u9047\u5230\u7b2c\u4e8c\u4e2a <code>await<\/code> \uff08\u5982\u679c\u6709\uff09\uff0c\u6216\u8005\u5c06 <code>FuncAAsync<\/code> \u6267\u884c\u5b8c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u7b2c\u516d\u5230\u7b2c\u4e5d\u6b65\u662f\u6700\u91cd\u8981\u7684\uff0c\u800c\u5176\u4e2d\u7b2c\u516d\u5230\u7b2c\u516b\u6b65\u6267\u884c\u5f97\u5341\u5206\u7d27\u5bc6\uff0c\u8fd9\u4e5f\u662f\u6211\u4eec\u540e\u7eed\u5de5\u4f5c\u7684\u91cd\u70b9\u3002\u8bfb\u8005\u53ef\u80fd\u4f1a\u6709\u7591\u95ee\uff0c\u4e3a\u4f55\u8981\u5728 <code>MyMoveNextRunner<\/code> \u4e2d\u5305\u88c5\u56de\u8c03\uff1f\u8fd9\u662f\u4e3a\u4e86\u65b9\u4fbf\u540e\u7eed\u62d3\u5c55\uff0c\u800c\u5c06 <code>MyMoveNextRunner<\/code> \u62bd\u8c61\u6210\u4e86\u63a5\u53e3\uff0c\u8fd9\u91cc\u6211\u4eec\u5148\u4e0d\u5c55\u5f00\uff0c\u540e\u7eed\u4f1a\u6162\u6162\u8bb2\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e00\u7ae0\u6211\u4eec\u7b80\u5355\u4ecb\u7ecd\u4e86\u4e3a\u4ec0\u4e48\u8981\u5b9a\u5236Unity\u5f02\u6b65\u673a\u5236\uff0c\u5e76\u603b\u7ed3\u4e86\u5f02\u6b65\u72b6\u6001\u673a\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u4e0b\u4e00\u7ae0\u6211\u4eec\u5c06\u7740\u624b\u7f16\u5199\u4ee3\u7801\uff0c\u4ece\u96f6\u5f00\u59cb\u5b9e\u73b0\u5f02\u6b65\u5e93\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6269\u5c55\u9605\u8bfb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">ValueTask<\/h3>\n\n\n\n<p><code>ValueTask<\/code> \u4e8e .NET Core 2.0 \u63a8\u51fa\uff0c\u5b83\u672c\u610f\u662f\u4e3a\u4e86\u89e3\u51b3\u5f53\u5f02\u6b65\u65b9\u6cd5\u4ee5\u540c\u6b65\u65b9\u5f0f\u5b8c\u6210\u65f6\uff0c\u591a\u4f59\u7684\u5185\u5b58\u5f00\u9500\u95ee\u9898\u3002\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u9664\u4e86\u5c06\u539f\u672c\u7684 <code>Task<\/code> \u4ece\u201c\u5f15\u7528\u7c7b\u578b\u201d\u66f4\u6539\u4e3a\u201c\u503c\u7c7b\u578b\u201d\u4e4b\u5916\uff0c\u8fd8\u505a\u4e86\u4e00\u4e9b\u5de5\u4f5c\u8ba9 <code>ValueTask<\/code> \u80fd\u591f\u91cd\u590d\u4f7f\u7528\uff0c\u5f53\u7136\u8fd9\u4e5f\u5bfc\u81f4\u5728\u4f7f\u7528 <code>ValueTask<\/code> \u65f6\u4f1a\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u6bd4\u5982\u4e0d\u80fd\u591a\u6b21 <code>await<\/code> \u540c\u4e00\u4e2a <code>ValueTask<\/code> \u5bf9\u8c61\uff0c\u56e0\u4e3a\u7b2c\u4e00\u6b21\u7b49\u5f85\u4e4b\u540e\uff0c\u5b83\u53ef\u80fd\u5c31\u88ab\u56de\u6536\u5230\u5bf9\u8c61\u6c60\u4e2d\u4e86\uff1b\u518d\u6bd4\u5982\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u7b49\u5f85\u540c\u4e00\u4e2a <code>ValueTask<\/code> ;\u4ee5\u53ca\u5728 <code>ValueTask<\/code> \u5b8c\u6210\u4efb\u52a1\u4e4b\u524d\u4f7f\u7528 <code>.GetAwaiter().GetResult()<\/code> \u6765\u4f7f\u5f02\u6b65\u65b9\u6cd5\u4ee5\u540c\u6b65\u65b9\u5f0f\u8fd0\u884c\uff0c\u8fd9\u4e9b\u90fd\u662f\u4e0d\u652f\u6301\u7684\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u57fa\u672c\u4e0a\u53ea\u4f1a <code>await<\/code> \u4e00\u4e2a\u5f02\u6b65\u65b9\u6cd5\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u8fd4\u56de\u7684\u7ed3\u679c\uff0c\u5e76\u4e14\u8be5\u5f02\u6b65\u7b49\u5f85\u6ca1\u6709\u989d\u5916\u7684\u6027\u80fd\u5f00\u9500\uff0c\u8fd9\u6070\u597d\u662f <code>ValueTask<\/code> \u7684\u4f18\u52bf\u6240\u5728\u3002\u540e\u7eed\u7684\u5f02\u6b65\u5e93\u5f00\u53d1\uff0c\u6211\u4eec\u4e5f\u5c06\u53c2\u8003 <code>ValueTask<\/code> \u7684\u5b9e\u73b0\u539f\u7406\uff08\u5b9e\u9645\u4e0a <code>UniTask<\/code> \u5c31\u662f\u8fd9\u6837\u505a\u7684\uff09\u3002<\/p>\n\n\n\n<p>\u66f4\u591a\u5173\u4e8e <code>ValueTask<\/code> \u7684\u5c0f\u77e5\u8bc6\uff0c\u6bd4\u5982\u56de\u6536\u4f7f\u7528\u7684\u539f\u7406\u3001\u5176\u63a5\u53e3 <code>IValueTaskSource<\/code> \u7684\u62bd\u8c61\uff0c\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u4e24\u7bc7\u535a\u5ba2\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/understanding-the-whys-whats-and-whens-of-valuetask\/\" target=\"_blank\" rel=\"noreferrer noopener\">Understanding the Whys, Whats, and Whens of ValueTask<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/blog.marcgravell.com\/2019\/08\/prefer-valuetask-to-task-always-and.html\" target=\"_blank\" rel=\"noreferrer noopener\">Prefer ValueTask to Task, always; and don&#8217;t await twice<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ICriticalNotifyCompletion \u4e0e INotifyCompletion<\/h3>\n\n\n\n<p>\u770b\u8fc7 <code>UniTask<\/code> \u6e90\u7801\uff0c\u6216\u8005\u81ea\u5df1\u52a8\u624b\u5b9e\u73b0\u8fc7 <code>task-like<\/code> \u7c7b\u578b\u7684\u5c0f\u4f19\u4f34\u53ef\u80fd\u4f1a\u9047\u5230\u8fd9\u4e24\u4e2a\u63a5\u53e3\uff0c\u5e76\u5bf9\u5b83\u4eec\u7684\u884c\u4e3a\u4ea7\u751f\u7591\u60d1\u2014\u2014\u5b83\u4eec\u7684\u4f5c\u7528\u8c8c\u4f3c\u6ca1\u6709\u4ec0\u4e48\u533a\u522b\uff0c\u90a3\u662f\u51fa\u4e8e\u4ec0\u4e48\u8003\u8651\u8981\u5206\u6210\u4e24\u4e2a\u63a5\u53e3\uff1f<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u8bb0\u4f4f\uff1a\u5f53\u5b9e\u73b0\u81ea\u5df1\u7684 <code>awaiter<\/code> \u65f6\uff0c\u5c3d\u91cf\u5b9e\u73b0 <code>ICriticalNotifyCompletion<\/code> \u63a5\u53e3\uff0c\u72b6\u6001\u673a\u5c06\u4f18\u5148\u8c03\u7528\u8be5\u63a5\u53e3\u7684\u65b9\u6cd5\u3002\u800c <code>INotifyCompletion<\/code> \u63a5\u53e3\uff0c\u5219\u66f4\u50cf\u662f\u4e00\u4e2a\u201c\u5386\u53f2\u9057\u7559\u95ee\u9898\u201d\uff0c\u4f46\u540c\u65f6\u5b9e\u73b0\u4e24\u4e2a\u63a5\u53e3\u4e5f\u662f\u6ca1\u6709\u95ee\u9898\u7684\u3002\u81f3\u4e8e\u4ec0\u4e48\u65f6\u5019\u53ea\u5b9e\u73b0 <code>INotifyCompletion<\/code> \uff0c\u8bba\u575b\u4e2d\u6709\u5173\u4e8e\u6b64\u7684\u8ba8\u8bba\uff1a<\/p>\n\n\n\n<p><a href=\"https:\/\/stackoverflow.com\/questions\/65529509\/what-is-icriticalnotifycompletion-for\" target=\"_blank\" rel=\"noreferrer noopener\">What is ICriticalNotifyCompletion for?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>STask GitHub\u4ed3\u5e93\u94fe\u63a5 \u80cc\u666f What? \u5f02\u6b65\u65b9\u6cd5\u8bde\u751f\u4e8eC# 5\u65f6\u4ee3\uff0c\u5b83\u57fa\u4e8e Task \u548c Task [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[23,20],"class_list":["post-1314","post","type-post","status-publish","format-standard","hentry","category-unity3d","tag-c","tag-unity"],"_links":{"self":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts\/1314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/comments?post=1314"}],"version-history":[{"count":6,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts\/1314\/revisions"}],"predecessor-version":[{"id":1328,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts\/1314\/revisions\/1328"}],"wp:attachment":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/media?parent=1314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/categories?post=1314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/tags?post=1314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}