{"id":10006458,"date":"2022-09-13T09:30:49","date_gmt":"2022-09-13T01:30:49","guid":{"rendered":"https:\/\/ityet.com\/?p=10006458"},"modified":"2022-09-13T09:30:49","modified_gmt":"2022-09-13T01:30:49","slug":"c-11-%e9%a2%84%e8%a7%88%e7%89%88","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006458","title":{"rendered":"C# 11 \u9884\u89c8\u7248"},"content":{"rendered":"<p><a href=\"https:\/\/link.segmentfault.com\/?enc=1S3QywpeTN9YmbuXwfu4QA%3D%3D.1xIo7oAnS91uB6fFJOW1DflXSBzCYaYJ%2BmQtusZJ60oxK4imAdQ6SQ8RtpOCttnjeJsceWKzP9fclbIoaLoE4W5yhcxNp1Xq7O%2FrPyJrz98%3D\" rel=\"nofollow\">C# 11<\/a> \u5373\u5c06\u5b8c\u6210\u3002\u8fd9\u7bc7\u6587\u7ae0\u6db5\u76d6\u4e86 Visual Studio 17.3 \u4e2d\u7684\u65b0\u529f\u80fd\uff0c\u548c\u6211\u4eec\u5728 <a href=\"https:\/\/link.segmentfault.com\/?enc=2vs09f09RQDRKY0YG3KDGQ%3D%3D.3s3eSr6dx3r1NauiLlyffikmy0NJszpsYxb7OMPmnzl8T%2FPSNfAJGd%2B88fC%2Bflh%2BphvgHdeNZRTOysyF1%2FkZd9ej1l9F0BfkDwJCrQHvwS39IC0PFFVI27y4jJub3LsU\" rel=\"nofollow\">Visual Studio 17.2 \u7684 4 \u6708\u66f4\u65b0<\/a>\u548c <a href=\"https:\/\/link.segmentfault.com\/?enc=1uBH%2BrXsPRg1i0JNx78KZw%3D%3D.u%2BINsNlAueu9bKHSlrf4rOxM8FM5sYmb23bbUg%2FoH%2Fy5EakGMefJMabURjCX%2BbjI7AHkekCpyMOpuC%2FOyDT3yMmDIhYnsQgfu5JRKURZUgQuPwy6QytVYbeRcmxtH3zj\" rel=\"nofollow\">Visual Studio 17.1 \u7684 2 \u6708\u66f4\u65b0<\/a>\u4e2d\u672a\u6db5\u76d6\u7684\u529f\u80fd\u3002<br \/>\u6b64\u9884\u89c8\u7248\u4e2d\u7684\u65b0\u529f\u80fd\u9075\u5faa C# 11 \u7684\u4e09\u4e2a\u6295\u8d44\u4e3b\u9898\uff1a<\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=WQPQWTWi45dUl6rb8HWmhA%3D%3D.Fyc5aZLWJ%2BTia%2FdUIEb5hmm9V2gAi%2FVrbb0cwoQPN54HREqJkb0GYI%2FT6Ncc6FVbfHBqmtnjYIvItpK6s2tQjZvxII%2BLFEVOjMpZXpncQzm626tHbrgaq4AsHLHc%2BaRheWCcBBNYNa3KIE5Ae9yefySJxeVNTZMxaiMNYfRrqMs%3D\" rel=\"nofollow\">\u5bf9\u8c61\u521d\u59cb\u5316\u6539\u8fdb<\/a>\uff1a\u65e0\u8bba\u60a8\u60f3\u5bf9\u53ef\u53d8\u548c\u4e0d\u53ef\u53d8\u6210\u5458\u5b9e\u65bd\u4ec0\u4e48\u89c4\u5219\uff0c\u60a8\u90fd\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u652f\u6301\u7c7b\u578b\u4e2d\u7684\u6784\u9020\u51fd\u6570\u548c\u5bf9\u8c61\u521d\u59cb\u503c\u8bbe\u5b9a\u9879\u3002\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>Required \u6210\u5458<\/li>\n<li><code>ref<\/code>\u00a0\u5b57\u6bb5<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=HBd5g84BHHKuiBCn8%2BWBFg%3D%3D.bgyKoEXHDoOkQx8aTCrM4FaL%2BCfw5cZOWOuJHaglNCqeqxizhsLzkyUFE%2FVXuQD2iMxVqtzRAgakl7YLHCZ9hkYezpmBk8nEUmBx%2Ffq92lKt%2BoKjd57quWru5OjdAQl3KJG2ltP2Z0KIOC1mjs8ARg%3D%3D\" rel=\"nofollow\">\u901a\u7528\u6570\u5b66\u652f\u6301<\/a>\uff1a\u60a8\u53ef\u4ee5\u4e3a\u591a\u79cd\u6570\u5b57\u7c7b\u578b\u7f16\u5199\u4e00\u6b21\u7b97\u6cd5\u3002\u8fd9\u4e9b\u529f\u80fd\u4f7f\u7528 C# \u548c .NET \u8fdb\u884c\u7edf\u8ba1\u3001\u673a\u5668\u5b66\u4e60\u548c\u5176\u4ed6\u6570\u5b66\u5bc6\u96c6\u578b\u5e94\u7528\u7a0b\u5e8f\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u63a5\u53e3\u4e2d\u7684\u9759\u6001\u62bd\u8c61\u548c\u9759\u6001\u865a\u62df\u6210\u5458<\/li>\n<li>\u653e\u5bbd\u53f3\u79fb\u8981\u6c42<\/li>\n<li>\u65e0\u7b26\u53f7\u53f3\u79fb\u8fd0\u7b97\u7b26<\/li>\n<li>\u6570\u503c<code>IntPtr]<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\u5f00\u53d1\u4eba\u5458\u751f\u4ea7\u529b\uff1a\u6211\u4eec\u6dfb\u52a0\u4e86\u66f4\u591a\u8bed\u8a00\u529f\u80fd\u4ee5\u63d0\u9ad8\u60a8\u7684\u5de5\u4f5c\u6548\u7387\u3002<br \/>\u65b0\u7684\u6269\u5c55\u7279\u6027\uff1a<code>nameof<\/code>\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u90e8\u5206\u6982\u8ff0\u4e86 <a href=\"https:\/\/link.segmentfault.com\/?enc=og0%2BxI7PlqXriODzNylmyQ%3D%3D.0oHzvTanKM3dpOi2s9425FOtcz8s%2BpUzcZ9FP36DgVSn4TbZkmedIsF4pXy3X%2F58c6O6V3RUuvthfi8Onwp4TA%3D%3D\" rel=\"nofollow\">Microsoft Docs<\/a> \u4e2d\u7684\u6bcf\u4e2a\u529f\u80fd\u548c\u94fe\u63a5\uff0c\u60a8\u53ef\u4ee5\u5728\u5176\u4e2d\u9605\u8bfb\u66f4\u591a\u4fe1\u606f\u3002\u8981\u8bd5\u7528\u8fd9\u4e9b\u529f\u80fd\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684\u9879\u76ee\u4e2d\u542f\u7528\u9884\u89c8\u3002\u6587\u6863\u4e2d\u7684 <a href=\"https:\/\/link.segmentfault.com\/?enc=t%2FAprF5IKn80a%2B468MOseg%3D%3D.tnrKoK%2Bn9RY1IWnlOj%2F4safDiabRt4mnYlm%2F9FF60UKnuo0gWeKxrrGyiIFYWt1Ubw8UK05RQPh2PGJxcIYDx4ZIWLvb%2Fzz6kCsCcXOS%2F64%3D\" rel=\"nofollow\">C# 11 \u4e2d\u7684\u65b0\u589e\u529f\u80fd<\/a>\u4e00\u6587\u5bf9\u6b64\u8fdb\u884c\u4e86\u89e3\u91ca\u3002<\/p>\n<h2>\u5bf9\u8c61\u521d\u59cb\u5316\u6539\u8fdb<\/h2>\n<p>required\u6210\u5458\u5141\u8bb8\u60a8\u7f16\u5199\u9700\u8981caller\u8bbe\u7f6e\u67d0\u4e9b\u5c5e\u6027\u7684\u7c7b\u548c\u7ed3\u6784\u7c7b\u578b\u3002\u53c2\u8003\u8fd9\u4e2a<code>Person<\/code>\u7c7b\u578b\uff1a<\/p>\n<pre><code>public class Person\n{\n    public string FirstName { get; init; }\n    public string LastName {get; init; }\n}<\/code><\/pre>\n<p>caller\u5e94\u8be5\u4f7f\u7528\u5bf9\u8c61\u521d\u59cb\u503c\u8bbe\u5b9a\u9879\u6765\u8bbe\u7f6e\u00a0<code>FirstName<\/code>\u00a0\u548c\u00a0<code>LastName<\/code>\u00a0\u5c5e\u6027\u7684\u503c\u3002\u4f46\u5728 Visual Studio 17.3 \u4e4b\u524d\uff0c\u7f16\u8bd1\u5668\u65e0\u6cd5\u5f3a\u5236caller\u5fc5\u987b\u8bbe\u7f6e\u8fd9\u4e9b\u5c5e\u6027\u3002\u9700\u8981\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\u662f\u786e\u4fdd\u7528\u6237\u8bbe\u7f6e<code>FirstName<\/code>\u548c<code>LastName<\/code>\u5c5e\u6027\u7684\u552f\u4e00\u65b9\u6cd5\u3002required\u6210\u5458\u9700\u5411\u7f16\u8bd1\u5668\u548ccaller\u4f20\u8fbe\u4ed6\u4eec\u5fc5\u987b\u8bbe\u7f6e\u8fd9\u4e9b\u5c5e\u6027\u3002\u5c06<code>required<\/code>\u4fee\u9970\u7b26\u6dfb\u52a0\u5230\u6210\u5458\u58f0\u660e\u4e2d\uff1a<\/p>\n<pre><code>public class Person\n{\n    public required string FirstName { get; init; }\n    public required string LastName {get; init; }\n}<\/code><\/pre>\n<p>\u6240\u6709caller\u90fd\u5fc5\u987b\u5305\u542b<code>FirstName<\/code>\u548c\u00a0<code>LastName<\/code>\u00a0\u5c5e\u6027\u7684\u5bf9\u8c61\u521d\u59cb\u503c\u8bbe\u5b9a\u9879\uff0c\u5426\u5219\u7f16\u8bd1\u5668\u4f1a\u53d1\u51fa\u9519\u8bef\u63d0\u793a\u3002\u7f16\u8bd1\u5668\u901a\u77e5caller \u6709required\u6210\u5458\u672a\u521d\u59cb\u5316\u3002\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u7acb\u5373\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c\u00a0<code>Person<\/code>\u00a0\u7c7b\u578b\u662f\u4e3a\u65e9\u671f\u7248\u672c\u7f16\u5199\u7684\u5e76\u4e14\u5305\u542b\u8bbe\u7f6e\u5c5e\u6027\u7684\u6784\u9020\u51fd\u6570\uff0c\u60a8\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528required\u6210\u5458\u3002\u60a8\u5e94\u8be5\u4f7f\u7528\u00a0<code>SetsRequiredMembers<\/code>\u00a0\u5c5e\u6027\u6807\u6ce8\u4efb\u4f55\u73b0\u6709\u7684\u6784\u9020\u51fd\u6570\uff1a<\/p>\n<pre><code>public class Person\n{\n    public required string FirstName { get; init; }\n    public required string LastName {get; init; }\n\n    [SetsRequiredMembers]\n    public Person(string firstName, string lastName)\n    {\n        this.FirstName = firstName;\n        this.LastName = lastName;\n    }\n\n    public Person() {}\n}<\/code><\/pre>\n<p><code>SetsRequiredMembers<\/code>\u00a0\u5c5e\u6027\u8868\u793a\u6784\u9020\u51fd\u6570\u8bbe\u7f6e\u6240\u6709required\u6210\u5458\u3002\u7f16\u8bd1\u5668\u77e5\u9053\u4f7f\u7528<\/p>\n<pre><code>Person (string firstName, string lastName)<\/code><\/pre>\n<p>\u6784\u9020\u51fd\u6570\u7684\u8c03\u7528\u8005\u5df2\u7ecf\u8bbe\u7f6e\u4e86required\u6210\u5458\u3002\u65e0\u53c2\u6570\u6784\u9020\u51fd\u6570\u4e0d\u5305\u542b\u8be5\u5c5e\u6027\uff0c\u56e0\u6b64\u4f7f\u7528\u8be5\u6784\u9020\u51fd\u6570\u7684\u8c03\u7528\u8005\u5fc5\u987b\u4f7f\u7528\u5bf9\u8c61\u521d\u59cb\u5316\u5668\u521d\u59cb\u5316\u6240\u6709required\u6210\u5458\u3002<\/p>\n<p>\u4e0a\u9762\u7684\u793a\u4f8b\u4f7f\u7528\u4e86\u5c5e\u6027\uff0c\u4f46\u60a8\u4e5f\u53ef\u4ee5\u5c06required\u6210\u5458\u5e94\u7528\u4e8e\u5b57\u6bb5\u58f0\u660e\u3002<\/p>\n<p>\u6b64\u9884\u89c8\u8fd8\u5305\u542b <a href=\"https:\/\/link.segmentfault.com\/?enc=KBYtbsI4GThHylFHm5zsGg%3D%3D.wNfEUtMyhQNMbMOepl8KbP66iriKUsaoo6TWuFROfJ40hfyahj1ASsj7VuCj5UFNm2e0IajyXHAcdkN%2FHi8JWWYLSc%2FnwE9d6%2FoFzV2SGqgT9Kacpa1ZLCN%2BcMpnp1IQboeqfBlndK3sgL5olxZZbiM2w6yITpXr%2FNILvz6wFOw%3D\" rel=\"nofollow\">ref \u5b57\u6bb5\u548c\u4f5c\u7528\u57df\u503c<\/a>\u7684\u521d\u59cb\u5b9e\u73b0\u3002\u8fd9\u4e9b\u66f4\u6539\u4e3a\u00a0<code>ref struct<\/code>\u00a0\u7c7b\u578b\u4e2d\u7684\u00a0<code>ref<\/code>\u00a0\u5b57\u6bb5\u63d0\u4f9b\u4e86\u53ef\u7528\u6027\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u00a0<code>scoped<\/code>\u00a0\u5173\u952e\u8bcd\u6765\u9650\u5236\u00a0<code>ref<\/code>\u00a0\u53c2\u6570\u7684\u751f\u547d\u5468\u671f\u3002\u529f\u80fd\u63d0\u6848\u548c<a href=\"https:\/\/link.segmentfault.com\/?enc=Pma1Y6PXqRHvw7qDRBsrUw%3D%3D.VVqFyH3tjS2ZjFoK4dYnBEJqJF%2F7efHie%2BvHaXMWcYZscJOm4QtFracNvlTQzanemm%2FrmG5W9IpIvINlfCslQQ%3D%3D\" rel=\"nofollow\">\u66f4\u65b0\u7684\u66f4\u6539<\/a>\u73b0\u5728\u63d0\u4f9b\u4e86\u6709\u5173\u6b64\u529f\u80fd\u7684\u6700\u4f73\u6587\u6863\u3002\u6211\u4eec\u53d1\u73b0\u4e86\u4e00\u4e9b\u9700\u8981\u66f4\u6539\u8bed\u8a00\u624d\u80fd\u5b89\u5168\u4f7f\u7528\u7684\u573a\u666f\u3002\u66f4\u65b0\u7684\u66f4\u6539\u5c06\u5728\u4e00\u4e2a\u7a0d\u540e\u53d1\u5e03\u7684\u9884\u89c8\u4e2d\u63d0\u4f9b\uff0c\u6587\u6863\u5c06\u53cd\u6620\u6700\u7ec8\u8bbe\u8ba1\u3002<\/p>\n<h2>\u901a\u7528\u6570\u5b66\u652f\u6301<\/h2>\n<p>\u6211\u4eec\u6dfb\u52a0\u4e86<a href=\"https:\/\/link.segmentfault.com\/?enc=m00tG%2B1MA193QnNKlE3lwg%3D%3D.%2BABZb5b0LdWSD0j%2BlyJdM6U1aaI2wQYLRmih4%2Bf9B2pD7zYfdgRcd9HHAEVLxSOxTn6Wfxc93HxZsffjqHsiIpqMKr%2BO1MpykXShpqwQxO%2FGTMi3BoyuvOcysm%2FmIVnxHXDJw0cOy5LA1y44h2BTKA%3D%3D\" rel=\"nofollow\">\u901a\u7528\u6570\u5b66<\/a>\u4f5c\u4e3a\u6fc0\u52b1\u573a\u666f\u7684\u529f\u80fd\u3002\u60a8\u53ea\u4f1a\u5728\u9ad8\u7ea7\u573a\u666f\u4e2d\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u529f\u80fd\uff0c\u4f8b\u5982\u7f16\u5199\u9002\u7528\u4e8e\u591a\u79cd\u6570\u5b57\u7c7b\u578b\u7684\u6570\u5b66\u7b97\u6cd5\u3002\u5426\u5219\uff0c\u60a8\u5c06\u95f4\u63a5\u53d7\u76ca\uff0c\u56e0\u4e3a\u8fd0\u884c\u65f6\u4f7f\u7528\u4e86\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=RnmUhKIoAiicLEdMP4FsOQ%3D%3D.Q%2BBZUggJ5%2BwmDxjWIIwy8ETB24zP0KEgqa4zCd95ht39hXatkq%2BKBLowuXrEDqokdODV7dpAhtmuQlcRUMGi3osHkV3%2FtnhNQT%2BILXA22w4p78vv5oH%2BmU%2FJyJ1Dp0dVZsSxw50DrmH1cBbPPmv2Vw%3D%3D\" rel=\"nofollow\">\u63a5\u53e3\u4e2d\u7684\u9759\u6001\u62bd\u8c61\u548c\u9759\u6001\u865a\u62df\u6210\u5458<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=uFBRFI039PhuxkeGvxV73Q%3D%3D.TDV2G%2FT6uQebFkgLQ01LoSar6On6qh7VZvSRbgebcM7k%2FGSbsLFb7YG9olnbJvkLx4dHV4udJ%2FV7l4mWfBcHfjvMRbs%2Brma%2FCRfFF7KrwgoAHSbAyNHwiG2J%2B8OoATHGpfB12U%2BAVQCROnujOhPgwQ%3D%3D\" rel=\"nofollow\">\u653e\u5bbd\u53f3\u79fb\u8981\u6c42<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=mYQwOtThE%2BOg44S6Ue4zMA%3D%3D.lDTbY%2Fdx5%2B%2BcHy1rkaXtHxqKhUGEWRAvS%2BhbKlXMhqbJLhgV2N5n1W%2FBSULyxe49qhRkACAun%2Ff5lBqEWp0nRE6Bs97reZPr%2B6AC%2BdDFigrwQn7f%2B8fYm3rTYR%2BW17kBLL41ZMqtt1ri1sct5PBiAA%3D%3D\" rel=\"nofollow\">\u65e0\u7b26\u53f7\u53f3\u79fb\u8fd0\u7b97\u7b26<\/a><\/li>\n<li><a href=\"https:\/\/link.segmentfault.com\/?enc=65avRDad2DM9WFe3Wwqh4Q%3D%3D.EaruQlb4QKBQjb1PAPl0l1p8Qq1XGGR8RIfxk7W33dOoh9KFLkSbUA%2FqbDPlVDWsyfX7YpN6L%2B3oR7k%2BvGJmiB5nK%2BFI%2BZID8hRXaT%2BRUG1GFrFrX7j%2FoQUaB2cZE%2Bw2ySJzLtPTRBfM9PY%2BVo2A8Q%3D%3D\" rel=\"nofollow\">\u6570\u5b57 IntPtr<\/a><\/li>\n<\/ul>\n<p>\u5728\u63a5\u53e3\u4e2d\u6dfb\u52a0\u9759\u6001\u62bd\u8c61\u548c\u865a\u62df\u6210\u5458\u4e3a\u901a\u7528\u6570\u5b66\u6253\u4e0b\u4e86\u4e86\u8bb8\u591a\u91cd\u8981\u7684\u57fa\u7840\u3002\u8be5\u529f\u80fd\u5141\u8bb8\u63a5\u53e3\u58f0\u660e\u8fd0\u7b97\u7b26\u4ee5\u53ca\u5176\u4ed6\u9759\u6001\u65b9\u6cd5\u3002\u5b9e\u73b0\u63a5\u53e3\u7684\u7c7b\u5c31\u50cf\u5728\u63a5\u53e3\u4e2d\u58f0\u660e\u7684\u5176\u4ed6\u65b9\u6cd5\u4e00\u6837\u5fc5\u987b\u63d0\u4f9b<code>\u9759\u6001\u62bd\u8c61<\/code>\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u65f6\u89e3\u6790\u5bf9<code>\u9759\u6001<\/code>\u65b9\u6cd5\uff08\u5305\u62ec\u8fd0\u7b97\u7b26\uff09\u7684\u8c03\u7528\u3002\u6ca1\u6709\u50cf\u5b9e\u4f8b\u65b9\u6cd5\u90a3\u6837\u7684\u8fd0\u884c\u65f6\u5206\u6d3e\u673a\u5236\u3002\u8be5<a href=\"https:\/\/link.segmentfault.com\/?enc=BAjuECHDdwyTts8j0VdaGA%3D%3D.r7KeDDnxoDDcHavQlZtO6MNLTyFf%2FY5CsvobQDwJSY970XLaBmIMHIuqFbBQCLvajeS5FrEThrsluv4mdnNEifEHaPUFo2HgNiO9EwYvQPLEUgRxklcnK9%2BGKgF3ofUt7fyWKnOEJbdKuNs3FFU4EtW5epASDVr6CzDdg17%2F9ZAswD2lVxPKvsVfegT4txI9\" rel=\"nofollow\">\u6587\u6863<\/a>\u63d0\u4f9b\u4e86\u6709\u5173\u4f7f\u6b64\u529f\u80fd\u6b63\u5e38\u5de5\u4f5c\u6240\u9700\u7684\u7279\u5b9a\u8bed\u8a00\u89c4\u5219\u7684\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p>\u5176\u4ed6\u8bed\u8a00\u7279\u6027\u6d88\u9664\u4e86\u6570\u5b57\u7c7b\u578b\u7684\u4e00\u4e9b\u5dee\u5f02\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u7f16\u5199\u901a\u7528\u6570\u5b66\u7b97\u6cd5\u3002\u53f3\u79fb\u8fd0\u7b97\u7b26\u4e0d\u518d\u8981\u6c42\u7b2c\u4e8c\u4e2a\u64cd\u4f5c\u6570\u662f\u00a0<code>int<\/code>\uff0c\u800c\u662f \u4efb\u4f55\u6574\u6570\u7c7b\u578b\u90fd\u53ef\u4ee5\uff01<code>nint<\/code>\u00a0\u548c\u00a0<code>nuint<\/code>\u00a0\u7c7b\u578b\u5206\u522b\u662f\u00a0<code>System.IntPtr<\/code>\u00a0\u548c\u00a0<code>System.UIntPtr<\/code>\u00a0\u7684\u540c\u4e49\u8bcd\u3002\u8fd9\u4e9b\u5173\u952e\u5b57\u53ef\u4ee5\u7528\u6765\u4ee3\u66ff\u8fd9\u4e9b\u7c7b\u578b\u3002\u4e8b\u5b9e\u4e0a\uff0c\u65b0\u7684\u5206\u6790\u5668\u4f1a\u63d0\u793a\u60a8\u9009\u62e9\u5173\u952e\u5b57\u800c\u4e0d\u662f\u7c7b\u578b\u540d\u79f0\u3002\u6700\u540e\uff0c\u5f53\u60a8\u6267\u884c\u65e0\u7b26\u53f7\u79fb\u4f4d\u65f6\uff0c\u65e0\u7b26\u53f7\u53f3\u79fb\u8fd0\u7b97\u7b26 (<code>&gt;&gt;&gt;<\/code>) \u907f\u514d\u4e86\u5f3a\u5236\u8f6c\u6362\u3002<\/p>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u8fd9\u4e9b\u66f4\u6539\u548c<a href=\"https:\/\/link.segmentfault.com\/?enc=85TJaimEqQESuUUo1ov98g%3D%3D.8%2B3RwPPKSdg0MIyG6TN47TBmBsMrOJufXBrKY8w%2Bt269rUHBJxjWfeNtRbXjX3lpb7kUSuCovgdv9gVPp8xydRL00nM118kk6DfsAyEh6dUtPCiz4nEsMulhzlEb2dK8iSz%2BffDJOj4VRAj1jgIvBAog5V%2F5zPJpcTW2zQIpabuLVcxJwS08kXszloVGGpXr\" rel=\"nofollow\">\u68c0\u67e5\u8fd0\u7b97\u7b26<\/a>\u7b49\u5176\u4ed6\u66f4\u6539\u652f\u6301\u901a\u7528\u6570\u5b66\u8fd0\u884c\u65f6\u66f4\u6539\u3002\u8bed\u8a00\u6539\u8fdb\u610f\u5473\u7740\u8fd0\u884c\u65f6\u56e2\u961f\u53ef\u4ee5\u5bf9 .NET \u4e2d\u7684\u6240\u6709\u6570\u5b57\u7c7b\u578b\u8fdb\u884c\u6539\u8fdb\u3002\u5f53\u60a8\u7684\u7c7b\u578b\u4f7f\u7528\u8fd0\u7b97\u7b26\u6216\u5176\u4ed6\u9759\u6001\u65b9\u6cd5\u5b9e\u73b0\u5408\u7ea6\u65f6\uff0c\u60a8\u4e5f\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u529f\u80fd\u3002<\/p>\n<h2>\u5f00\u53d1\u4eba\u5458\u751f\u4ea7\u529b<\/h2>\n<p><code>nameof<\/code>\u00a0\u8fd0\u7b97\u7b26\u73b0\u5728\u53ef\u4ee5\u548c<a href=\"https:\/\/link.segmentfault.com\/?enc=Zc0J7ZNEI3X0k6jvNshsMw%3D%3D.0basEFLO7dKsOt3We5sDdtHcISGSS970Jr1v5K%2B3tnX9JEPNlgzmBPZKpTDxBaCmyQor1hbkNj%2BlGX1qdieCr%2BXfC%2BDi%2F1seuBxn843IoVRyniIEe3xTOaTLpYKZgbqCOyeuwHI8jLciYGNePXAgnQ%3D%3D\" rel=\"nofollow\">\u65b9\u6cd5\u53c2\u6570<\/a>\u4e00\u8d77\u4f7f\u7528\u3002\u8be5\u529f\u80fd\u5141\u8bb8\u60a8\u5728\u65b9\u6cd5\u7684\u5c5e\u6027\u58f0\u660e\u4e2d\u4f7f\u7528\u00a0<code>nameof<\/code>\u00a0\u8fd0\u7b97\u7b26\uff0c\u5982\u4e0b\u4f8b\u6240\u793a\uff1a<\/p>\n<pre><code>[return:NotNullIfNotNull(nameof(url))]\nstring?\u00a0GetTopLevelDomainFromFullUrl(string?\u00a0url)<\/code><\/pre>\n<h2>\u6b22\u8fce\u4f7f\u7528<\/h2>\n<p>\u8bf7\u4e0b\u8f7d\u6700\u65b0\u7684 <a href=\"https:\/\/link.segmentfault.com\/?enc=NIxiEnZ%2BGfFKjhzD9VO4Qg%3D%3D.utJBvQndme8YHaWbFzEnvkF%2BOBWX0tu2bI7FaQ6K6fRVOY5y5W%2Beto2Tn9rKJmO7Tz740BR4hMlnY0r%2FkjuCYw%3D%3D\" rel=\"nofollow\">Visual Studio 2022 \u9884\u89c8\u7248<\/a>\u5e76\u5b89\u88c5 .NET 7 \u9884\u89c8\u7248\uff0c\u60a8\u4e5f\u53ef\u4ee5\u5355\u72ec\u5b89\u88c5 <a href=\"https:\/\/link.segmentfault.com\/?enc=YcoMUYRG9He%2FfAQNJKqVxQ%3D%3D.r4Z2otYXYOtfWYDTj3klKHXOM%2FqV%2B%2BfJ6JV7zi2%2FNmjNGdKukF%2BQEge8xexpbugsf%2FxD2P4exMRTzGfi6BpABWJW7QsBqj2nSVxj0lUbfds%3D\" rel=\"nofollow\">.NET 7<\/a> \u6700\u65b0\u7684\u9884\u89c8\u7248\u3002\u5b89\u88c5\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u6216\u6253\u5f00 C# \u9879\u76ee\u5e76\u5c06\u00a0<code>LangVersion<\/code>\u00a0\u8bbe\u7f6e\u4e3a\u00a0<code>Preview<\/code>\u00a0\u6765\u5c1d\u8bd5\u65b0\u7684\u529f\u80fd\u3002<\/p>\n<p>\u8fd9\u4e2a Visual Studio \u9884\u89c8\u7248\u8ba9\u6211\u4eec\u79bb C# 11 \u7684\u5b8c\u6574\u529f\u80fd\u96c6\u66f4\u8fd1\u4e86\u4e00\u6b65\u3002\u6211\u4eec\u5728\u8be5\u7248\u672c\u4e2d\u7ee7\u7eed\u5bf9\u591a\u4e2a\u4e3b\u9898\u8fdb\u884c\u6295\u8d44\u3002\u6211\u4eec\u5df2\u7ecf\u6839\u636e\u60a8\u7ed9\u6211\u4eec\u7684\u53cd\u9988\u8fdb\u884c\u4e86\u4fee\u6b63\u3002\u73b0\u5728\u662f\u4e0b\u8f7d\u9884\u89c8\u7248\u8bd5\u7528\u6240\u6709\u65b0\u529f\u80fd\u5e76\u7ed9\u6211\u4eec\u63d0\u4f9b\u53cd\u9988\u7684\u597d\u65f6\u673a\u3002\u6211\u4eec\u6b63\u5728\u5173\u6ce8 C# 11 \u548c .NET 7 \u5e76\u8fdb\u884c\u6700\u7ec8\u7684\u66f4\u65b0\u3002<\/p>\n<hr>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=pc5M1Vuzd63vvUvbBYdQjQ%3D%3D.tW1qonCHijdkfDg51Bl6ZNwBMs29lJmSaZbyoXXcjcCIIWYEt4pQhUK3%2FO%2FU8txLeUJVD2%2FscEjLCaGRxyRG%2Bc%2Bm8Y%2FGTE4GzocAq7IqDE1%2FOWgHazpL%2BPFbCvRbFKuC\" rel=\"nofollow\">\u4e86\u89e3\u66f4\u591a C# 11 \u4e2d\u7684\u65b0\u589e\u529f\u80fd\uff0c\u8bf7\u524d\u5f80\u5b98\u65b9\u6587\u6863\u3002<\/a><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042457962\">https:\/\/segmentfault.com\/a\/1190000042457962<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C# 11 \u5373\u5c06\u5b8c\u6210\u3002\u8fd9\u7bc7\u6587\u7ae0\u6db5\u76d6\u4e86 Visual Studio 17.3 \u4e2d\u7684\u65b0\u529f\u80fd\uff0c\u548c\u6211\u4eec\u5728 Visual [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006458","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006458"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006458\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}