{"id":4903,"date":"2020-12-23T19:22:30","date_gmt":"2020-12-23T11:22:30","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=4903"},"modified":"2024-01-03T19:28:21","modified_gmt":"2024-01-03T11:28:21","slug":"c20%e6%a0%87%e5%87%86-iso-iec-148822020-%e6%ad%a3%e5%bc%8f%e5%8f%91%e5%b8%83","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/4903","title":{"rendered":"C++20\u6807\u51c6 (ISO\/IEC 14882:2020) \u6b63\u5f0f\u53d1\u5e03"},"content":{"rendered":"<p><a href=\"https:\/\/mp.weixin.qq.com\/s\/xyA2CMSSGhZ1YYjB_RdXRQ\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>ISO C++ \u59d4\u5458\u4f1a\u6b63\u5f0f\u53d1\u5e03\u4e86C++20 \u6807\u51c6\uff0c\u547d\u540d\u4e3a ISO\/IEC 14882:2020\u3002<\/p>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/dkwuWwLoRK8f9RNKzibbTIntN4a5QdicRsGLonA4OOWhU9hD5AlcHJiaZZjGrJ4485rRZHpcKBjPY1ViaiaAbI4TCLQ\/640?wx_fmt=png&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" alt=\"\u56fe\u7247\" crossorigin=\"anonymous\" data-ratio=\"0.8478513356562137\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/dkwuWwLoRK8f9RNKzibbTIntN4a5QdicRsGLonA4OOWhU9hD5AlcHJiaZZjGrJ4485rRZHpcKBjPY1ViaiaAbI4TCLQ\/640?wx_fmt=png\" data-type=\"png\" data-w=\"861\" data-fail=\"0\" \/><\/p>\n<p>C++20 \u662f\u4e00\u6b21\u91cd\u5927\u7684\u66f4\u65b0\uff0c\u5f15\u5165\u4e86\u8bb8\u591a\u65b0\u7279\u6027\uff1a<\/p>\n<section data-role=\"list\">\n<ul class=\"list-paddingleft-2\">\n<li>\u6a21\u5757 (Modules)<\/li>\n<li>\u534f\u7a0b (Coroutines)<\/li>\n<li>\u8303\u56f4 (Ranges)<\/li>\n<li>\u6982\u5ff5\u4e0e\u7ea6\u675f (Constraints and concepts)<\/li>\n<li>\u6307\u5b9a\u521d\u59cb\u5316 (designated initializers)<\/li>\n<li>\u64cd\u4f5c\u7b26\u00a0<code>&lt;=&gt;\u00a0!= ==<\/code><\/li>\n<li><code>constexpr<\/code>\u652f\u6301\uff1a<code>new<\/code>\/\u00a0<code>delete<\/code>\u3001<code>dynamic_cast<\/code>\u3001<code>try<\/code>\/\u00a0<code>catch<\/code>\u3001\u865a\u62df<\/li>\n<li><code>constexpr<\/code>\u00a0\u5411\u91cf\u548c\u5b57\u7b26\u4e32<\/li>\n<li>\u8ba1\u65f6\uff1a\u65e5\u5386\u3001\u65f6\u533a\u652f\u6301<\/li>\n<li><code>std::format<\/code><\/li>\n<li><code>std::span<\/code><\/li>\n<li><code>std::jthread<\/code><\/li>\n<\/ul>\n<\/section>\n<p>\u50cf Concepts\/Ranges\/Modules\/Coroutines \u8fd9\u4e9b\u65b0\u7279\u6027\u5c06\u4f1a\u5bf9\u5f00\u53d1\u8005\u53ca C++\u00a0\u751f\u6001\u4ea7\u751f\u4e0d\u5c0f\u7684\u5f71\u54cd\uff0c\u4e5f\u4e3a\u8fd9\u95e8\u201c\u9ad8\u9f84\u201d\u7f16\u7a0b\u8bed\u8a00\u589e\u6dfb\u4e0d\u5c11\u9b45\u529b\u3002<\/p>\n<p>\u8be6\u7ec6\u53d8\u5316\u67e5\u770b\u00a0cppreference.com,\u00a0open-std.org\u00a0\u548c\u00a0Wikipedia\u3002<\/p>\n<p>\u5982\u679c\u5e0c\u671b\u83b7\u5f97\u6b63\u5f0f\u7684 C++20 \u6807\u51c6\uff0c\u9700\u652f\u4ed8 198 \u745e\u58eb\u6cd5\u90ce\uff08\u6298\u5408\u4eba\u6c11\u5e01 1464 \u5143\uff09\u8fdb\u884c\u8d2d\u4e70\u3002<\/p>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/dkwuWwLoRK8f9RNKzibbTIntN4a5QdicRswu7ibg6ficHCyKmJ5sgpvDpnEZR1ianR6wvcw0X2fibOMowaBrPdUgRKtA\/640?wx_fmt=png&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" alt=\"\u56fe\u7247\" crossorigin=\"anonymous\" data-ratio=\"0.7795698924731183\" data-src=\"https:\/\/mmbiz.qpic.cn\/mmbiz_png\/dkwuWwLoRK8f9RNKzibbTIntN4a5QdicRswu7ibg6ficHCyKmJ5sgpvDpnEZR1ianR6wvcw0X2fibOMowaBrPdUgRKtA\/640?wx_fmt=png\" data-type=\"png\" data-w=\"372\" data-fail=\"0\" \/><\/p>\n<p>\u8349\u6848\u7248\u672c\u53ef\u4ee5\u514d\u8d39\u83b7\u53d6\uff1a<br \/>\nhttps:\/\/github.com\/cplusplus\/draft\/tree\/c++20<\/p>\n<p>\u8349\u6848\u548c\u6b63\u5f0f\u7248\u672c\u5b58\u5728\u7ec6\u5fae\u7684\u5dee\u5f02\uff0c\u56e0\u4e3a\u6807\u51c6\u59d4\u5458\u4f1a\u4e0d\u4e00\u5b9a\u5b8c\u5168\u91c7\u7528\u8349\u6848\u7684\u5185\u5bb9\uff0c\u901a\u5e38\u662f\u4ece\u8349\u6848\u4e2d\u5254\u9664\u90e8\u5206\u5185\u5bb9\u518d\u53d1\u5e03\u6b63\u5f0f\u7248\u3002\u4e0d\u8fc7\u8fd9\u5bf9\u4e8e\u666e\u901a\u5f00\u53d1\u8005\u51e0\u4e4e\u6ca1\u5f71\u54cd\uff0c\u56e0\u4e3a\u5f00\u53d1\u8005\u4f7f\u7528\u7684\u7f16\u8bd1\u5668\u90fd\u662f\u5382\u5546\u57fa\u4e8e\u6807\u51c6\u7684\u5b9e\u73b0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740 &nbsp; ISO C++ <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[24],"tags":[121],"class_list":["post-4903","post","type-post","status-publish","format-standard","hentry","category-value_docs","tag-05-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=4903"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4903\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=4903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=4903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=4903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}