{"id":192019,"date":"2020-10-31T10:53:44","date_gmt":"2020-10-31T02:53:44","guid":{"rendered":"http:\/\/4563.org\/?p=192019"},"modified":"2020-10-31T10:53:44","modified_gmt":"2020-10-31T02:53:44","slug":"%e6%83%b3%e5%ad%a6-c%ef%bc%8c%e8%83%bd%e4%b8%8d%e8%83%bd%e7%9b%b4%e6%8e%a5%e4%bb%8e%e6%9c%80%e6%96%b0%e7%9a%84-c20-%e5%bc%80%e5%a7%8b%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=192019","title":{"rendered":"\u60f3\u5b66 C++\uff0c\u80fd\u4e0d\u80fd\u76f4\u63a5\u4ece\u6700\u65b0\u7684 C++20 \u5f00\u59cb\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u60f3\u5b66 C++\uff0c\u80fd\u4e0d\u80fd\u76f4\u63a5\u4ece\u6700\u65b0\u7684 C++20 \u5f00\u59cb\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : James369 <\/span>  <span><i><\/i> 4<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\">                        c++\u4ece 03 \u5230 11\uff0c\u5230 14\uff0c\u5230 17\uff0c\u518d\u5230 20\uff0c\u53d1\u5c55\u8d8a\u6765\u8d8a\u5feb\u3002\u8fd9\u95e8\u8bed\u8a00\u7684\u597d\u5904\u662f\u6027\u80fd\u5f3a\u3001\u8de8\u5e73\u53f0\u3001\u9762\u5411\u5bf9\u8c61\uff0c\u901a\u7528\u7684\u73b0\u4ee3\u8bed\u8a00\u3002<br \/>\u4f46\u6211\u8ba4\u4e3a\u5bf9\u4e8e\u540e\u6765\u8005\u60f3\u5b66\u4e60\u7684\u8bdd\uff0c\u5e94\u8be5\u662f\u6709\u4f18\u52bf\u7684\uff0c\u53ef\u4ee5\u629b\u5f03\u4e00\u4e9b\u5386\u53f2\u5305\u88b1\uff0c\u4ece\u6700\u65b0\u7684\u5f00\u59cb\u5b66\u3002<br \/>C++\u662f\u8d8a\u6765\u8d8a\u590d\u6742\u4e86\uff0c\u8fd8\u662f\u8d8a\u6765\u8d8a\u597d\u7528\u4e86\u5462\uff1f      <\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>44<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4134573\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : across <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u9996\u5148\uff0cC++\u4e0d\u662f Python\uff0c\u5b66\u4e60\u8def\u7ebf\u5c31\u662f\u4ece 03 \u4e00\u8def\u5b66\u5230 14\uff0c\u518d\u4e4b\u540e\u770b\u4f60\u7528\u4e0d\u7528\u5f97\u4e0a\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134574\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : linux40 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0d\u662f\u80fd\u4e0d\u80fd\uff0c\u800c\u662f\u6700\u597d\u76f4\u63a5\u4ece 20 \u5f00\u59cb\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134575\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : jjianwen68 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f46\u5f88\u591a\u5b9e\u9645\u9700\u8981 c++\u7684\uff0c\u8fd8\u4e0d\u4f1a\u76f4\u63a5\u4f7f\u7528 c++20\uff0c\u4e00\u822c\u8fd8\u662f\u6ca1\u6709\u4f7f\u7528\u8fd9\u4e48\u65b0\u7684\u7f16\u8bd1\u5668                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134576\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : tianshilei1992 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8d8a\u6765\u8d8a\u590d\u6742\u662f\u771f\u7684\uff0c\u8d8a\u6765\u8d8a\u597d\u7528\u4e5f\u662f\u771f\u7684\u3002\u8981\u771f\u60f3\u6df1\u5b66 C++\uff0c\u57fa\u7840\u7684\u90a3\u4e9b\u4e1c\u897f\uff08\u6bd4\u5982\u5bf9\u8c61\u6a21\u578b\uff09\u8fd8\u662f\u5c11\u4e0d\u4e86\u7684\uff0c\u4f46\u662f\u8fd9\u4e9b\u4e1c\u897f\u53c8\u548c\u54ea\u4e00\u4ee3 C++ \u6ca1\u6709\u592a\u5927\u7684\u5173\u7cfb\u3002\u65b0\u7279\u6027\u66f4\u591a\u7684\u662f\u8bed\u6cd5\u7cd6\u8fd8\u6709\u66f4\u52a0\u5b8c\u5584\u7684 STL \u800c\u5df2\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134577\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : James369 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @across \u770b\u6765\u8fd8\u662f\u8981\u6709\u9009\u62e9\u6027\u7684\u5b66\uff0c\u6216\u8005\u628a C++\u5f53\u624b\u518c\u770b\uff0c\u7528\u7684\u65f6\u5019\u518d\u5b66\u5b66\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134578\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : luoqeng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5b8c\u5168\u53ef\u4ee5                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134579\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : tamlok <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0d\u80fd~\u7f16\u8bd1\u5668\u90fd\u652f\u6301\u4e86\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134580\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : llvm98 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u4e2a\u4eba\u611f\u89c9\u7684\u8bdd\uff0c\u5982\u679c C++ \u60f3\u5b66\u660e\u767d\uff0c\u5386\u53f2\u5305\u88b1\u662f\u5f88\u96be\u907f\u514d\u7684\uff08\u9664\u4e86\u4e00\u4e9b\u8bed\u6cd5\u7cd6\uff09\uff0c\u4e0d\u8fc7\u8fd8\u662f\u8981\u770b\u81ea\u5df1\u7684\u5b66\u4e60\u65b9\u6cd5\uff0c\u7684\u786e\u6709\u4e9b\u4eba\u662f\u628a C++ \u5f53 Python \u5b66\uff0c\u5c24\u5176\u662f\u4e00\u4e9b\u53c2\u52a0\u7ade\u8d5b\u7684\u540c\u5b66\uff0c\u5148\u7528\u719f API \u518d\u6df1\u5165\u5b66\u4e60\uff0c\u4e5f\u5b66\u7684\u5f88\u597d\uff0c\u4f46\u6211\u81ea\u5df1\u7ecf\u9a8c\u6765\u8bb2\uff0c\u5b66\u4e86 C \u548c\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u540e\uff0c\u518d\u6309\u81ea\u5df1\u9700\u6c42\u53bb\u4e00\u70b9\u4e00\u70b9\u5730\u5b66 C++ \u5c31\u4f1a\u611f\u89c9\u6bd4\u8f83\u81ea\u7136\u3002\u4e0d\u8fc7\u8bdd\u8bf4\u56de\u6765\uff0c\u6309\u7248\u672c\u5b66\u7684\u6211\u8fd8\u6ca1\u600e\u4e48\u89c1\u8fc7\uff0c\u54c8\u54c8\u54c8                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134581\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : gainsurier <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             C++ Primer \u7b2c 6 \u7248\u5feb\u6765\u4e86\uff0c\u57fa\u4e8e 20                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134582\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Alexhohom <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5e76\u4e0d\u80fd                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134583\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Wirbelwind <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u53ef\u4ee5 \u4e0d\u8981\u5199 oop                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134584\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Cbdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u9996\u5148\uff0c\u4f60\u8981\u627e\u5230\u4e00\u4e2a\u7f16\u8bd1\u5668\u652f\u6301 C++20                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134585\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : raaaaaar <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u3002\u3002\u6211\u5c31\u5237\u5237\u7b97\u6cd5\u9898\uff0c\u5c31\u8c03\u8c03 API\uff0c\u771f c with class \u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134586\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wtsamuel <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u53ea\u8981\u5427 c++ \u5f53\u4f5c c with class\uff0c\u54ea\u4e2a\u7248\u672c\u90fd\u597d\u7528                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134587\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : cmdOptionKana <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5b66\u4e60\u53ef\u4ee5\uff0c\u4f46\u5177\u4f53\u5de5\u4f5c\u7684\u65f6\u5019\u8fd8\u662f\u770b\u9879\u76ee\u7684\u5386\u53f2\u5305\u88b1\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134588\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Tony042 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             C++\u5b66 17\uff0c\u4f46\u662f\u4e3b\u8981\u5b66 11\uff0c20 \u7684\u8bdd\u5404\u5927\u7f16\u8bd1\u5668\u652f\u6301\u8fd8\u4e0d\u5b8c\u5168                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134589\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ppphp <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u771f\u60f3\u5b66\u597d\u53ef\u4ee5\u76f4\u63a5\u4ece rust \u5f00\u59cb\u3002\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134590\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : newmlp <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6ca1\u95ee\u9898\uff0c\u5982\u679c\u4ec5\u4ec5\u662f\u81ea\u5df1\u5b66\u4e00\u4e0b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134591\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : luplus <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u73b0\u5728 11 \u7528\u7684\u6700\u591a\uff0c20 \u4e0d\u77e5\u9053\u8981\u591a\u4e45\u624d\u80fd\u7528\u4e0a\uff0c\u800c\u4e14\u90fd\u662f\u4e00\u4e9b\u7279\u6027\u7684\u6539\u53d8\uff0c\u4f60\u628a\u524d\u9762\u57fa\u7840\u5f04\u624e\u5b9e\uff0c\u5176\u4ed6\u7684\u90fd\u597d\u8bf4                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134592\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : songtinhuang <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5148\u63a2\u7d22\u63a2\u7d22\u53ef\u884c\u6027\u3002<br \/>Cpp20 \u4f30\u8ba1\u4e0d\u884c\uff0c\u8981\u7b49 GCC \u6216\u8005 clang \u6216\u8005 MSVC \u54ea\u5bb6\u5148\u652f\u6301\u5b8c\u6574\u7684 CPP20 \u3002<br \/>\u53e6\u5916\uff0cC++\u4e4b\u7236\u662f\u5efa\u8bae\u5148\u5b66 modern cpp \u7684\u3002\u6211\u63a8\u8350\u4f60\u4ece 17 \u5f00\u59cb\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134593\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xdeng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f7f\u7528\u8fc7\u7a0b\u4e2d \u96be\u514d\u4f1a\u9047\u5230 C89 \u7b49\u65e7\u7684\u5e93\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134594\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : GromHellscream <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u662f\u4ece 11 \u5f00\u59cb\u5b66\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134595\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Stoulla <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5efa\u8bae\u4ece 14 \u6216\u8005 11 \u5f00\u59cb\u5b66                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134596\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : nicebird <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             11 \u5f00\u59cb\u4f1a\u597d\u70b9\uff0c\u7528\u7684\u6bd4\u8f83\u5e7f\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134597\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ysc3839 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e2a\u4eba\u9879\u76ee\u7684\u8bdd\u662f\u5e94\u8be5\u7684\uff0c\u8bb8\u591a\u7279\u6027\u7528\u8d77\u6765\u633a\u723d\u7684\u3002<\/p>\n<p>\u4e3e\u4e2a\u5178\u578b\u4f8b\u5b50\uff1a\u8c03\u7528\u4e00\u4e9b\u5e93\uff0c\u9700\u8981\u4f20\u9012\u4e00\u4e2a buffer \u8fdb\u53bb\u63a5\u6536\u5b57\u7b26\u4e32\u5e76\u4fdd\u5b58\u5230 std::string \u7684\u60c5\u666f\u3002<br \/>\u4ee5\u524d\u7ecf\u5e38\u770b\u5230\u8fd9\u79cd\u5199\u6cd5\uff1a<br \/>auto len = get_string_length();<br \/>char* buffer = new char[len];<br \/>get_string(buffer);<br \/>std::string result(buffer, len);<br \/>delete[] buffer;<br \/>return result;<\/p>\n<p>\u4f46\u662f\u4ece C++ 17 \u5f00\u59cb\uff0c\u53ef\u4ee5\u8fd9\u4e48\u5199\uff1a<br \/>auto len = get_string_length();<br \/>std::string result;<br \/>result.resize(len);<br \/>get_string(result.data());<br \/>return result;<\/p>\n<p>\u540e\u8005\u4e0e\u524d\u8005\u76f8\u6bd4\uff1a\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\uff0c\u5c11\u4e86\u4e00\u6b21\u62f7\u8d1d\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u91ca\u653e\u5185\u5b58\uff0c\u5728\u9047\u5230\u5f02\u5e38\u65f6\u4e0d\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<br \/>\u53e6\u5916\u6309\u7167 Stack Overflow \u4e0a\u7684\u8bf4\u6cd5\uff0c\u81ea C++11 \u5f00\u59cb\u5c31\u80fd\u7528\u8fd9\u79cd\u65b9\u6cd5\u4e86\uff0c\u8981\u628a string.data() \u6362\u6210 &amp;string[0]<br \/>https:\/\/stackoverflow.com\/questions\/1042940\/writing-directly-to-stdstring-internal-buffers                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134598\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Cryse <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @ysc3839 <br \/>\u5b66\u5230\u4e86\u3002<br \/>\u8bf7\u95ee\u8fd9\u7c7b\u65b0\u7279\u6027\u6709\u4ec0\u4e48\u597d\u7684\u53c2\u8003\u5417\uff1f\u6709\u4e66\u6216\u8005\u6587\u6863\u63a8\u8350\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134599\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rogerchen <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @ysc3839 result.data() \u5c31\u53ea\u5728 since 17 until 20 \u8fd9\u4e00\u4e2a\u5c0f\u65f6\u95f4\u7a97\u53e3\u91cc\u8fd4\u56de\u4e86\u4e00\u4e2a\u53ef\u5199\u7684 CharT*\uff0c\u4e4b\u524d\u662f const CharT*\uff0c\u4e4b\u540e\u662f constexpr CharT*\uff0c\u6015\u662f\u90fd\u4e0d\u80fd\u7528\u4f60\u8fd9\u4e2a\u65b9\u6cd5\u4e86\u3002\u81f3\u4e8e &amp;string[0]\uff0c\u53ea\u8981 cpp \u8fd8\u662f zero overhead\uff0cC++\u54ea\u4e2a\u7248\u672c\u90fd\u53ef\u4ee5\u6012\u8349\u7c7b\u578b\u7cfb\u7edf\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134600\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ysc3839 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @Cryse \u6211\u597d\u50cf\u6ca1\u770b\u8fc7\u4e13\u95e8\u8bb2\u89e3\u65b0\u7279\u6027\u7684\u4e66\u7c4d\u6216\u8005\u6587\u6863\uff0c\u57fa\u672c\u90fd\u662f\u4ece\u522b\u7684\u9879\u76ee\u6216\u8005 en.cppreference.com \u4e86\u89e3\u5230\u7684\u3002<br \/>\u5982\u679c\u8981\u63a8\u8350\u7684\u8bdd\u53ef\u4ee5\u770b\u770b\u8fd9\u4e2a https:\/\/changkun.de\/modern-cpp\/                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134601\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ysc3839 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @rogerchen constexpr \u4fee\u9970\u7684\u662f\u51fd\u6570\uff0c\u4e0d\u662f\u8fd4\u56de\u503c\u7c7b\u578b\uff0c\u8fd4\u56de\u503c\u7c7b\u578b\u8fd8\u662f CharT*\u3002<br \/>\u81f3\u4e8e &amp;string[0]\uff0cStack Overflow \u4e0a\u7684\u8bf4\u6cd5\u662f\u56e0\u4e3a C++11 \u4e4b\u524d\u6807\u51c6\u6ca1\u6709\u89c4\u5b9a\u4e00\u5b9a\u8981\u8fde\u7eed\u5b58\u50a8\uff0c(&amp;string[0]) + 1 \u4e0d\u4e00\u5b9a\u7b49\u4e8e &amp;string[1]\uff0c\u5e76\u4e0d\u4fdd\u8bc1\u53ef\u7528\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134602\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : johnli <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @ppphp \u60f3\u8d77\u6765\u8fd9\u4e2a\u56fe\u7247\uff0c\u592a\u8279\u4e86\u3002\u3002\u3002<br \/>![]( https:\/\/imgur.com\/bg9gCfV)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134603\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : GeruzoniAnsasu <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @johnli hhh \u5176\u5b9e\u8fd8\u633a\u79d1\u5b66\u7684\uff0c\u6bd5\u7adf rust \u662f\u6700\u65b0\u7684\u201c\u60f3\u8981\u96c6\u5927\u6210\u201d\u7684\u590d\u6742\u8bed\u8a00\uff0c\u8ddf c++\u52aa\u529b\u65b9\u5411\u4e00\u81f4                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134604\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : liuguangxuan <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @gainsurier \u54ea\u91cc\u770b\u5230\u7684\u6d88\u606f\uff0c\u8001\u54e5\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134605\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : 52coder <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @raaaaaar \u4e00\u6837\uff0c\u5de5\u4f5c\u4e86\u90fd\u4e00\u6837                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134606\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Jirajine <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7167\u4f60\u8fd9\u6837\u8bf4\u76f4\u63a5\u5b66 rust \u5c31\u5b8c\u4e86\uff0ccpp \u4e00\u8def\u90fd\u662f\u7f1d\u5408\u8fc7\u6765\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134607\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : owt5008137 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0d\u80fd\u3002<br \/>\u76ee\u524d\u57fa\u672c\u4e0a\u6ca1\u6709\u652f\u6301 c++20 \u7279\u6027\u7684\u751f\u4ea7\u73af\u5883\u3002<br \/>\u76ee\u524d\u8fd8\u6ca1\u6709\u54ea\u4e2a\u7f16\u8bd1\u5668\u80fd\u5b8c\u6574\u652f\u6301 c++20 \u3002<br \/>\u76ee\u524d\u8fd8\u6ca1\u6709\u54ea\u4e2a\u7f16\u8bd1\u5668\u5bf9 c++20 \u652f\u6301\u7684\u7279\u6027\u5b8c\u5168\u8fdb\u5165\u4e86\u975e\u4f53\u9a8c\u9636\u6bb5\u3002<br \/>C++20 \u5f88\u591a\u8bbe\u8ba1\u4e5f\u662f\u6709\u5386\u53f2\u5305\u88b1\u7684\uff0c\u800c\u4e14\u4e5f\u662f\u4e3a\u4e86\u89e3\u51b3\u4e4b\u524d\u7684\u95ee\u9898\uff0c\u4e0d\u4e86\u89e3\u4e00\u4e0b\u6839\u672c\u4e0d\u77e5\u9053\u4e3a\u561b\u73b0\u5728\u8bbe\u8ba1\u6210\u8fd9\u6837\u3002<br \/>\u5982\u679c\u60f3\u8981\u5b8c\u5168\u4e22\u5f03\u5386\u53f2\u5305\u88b1\uff0c\u4e0d\u5982\u5c31\u50cf\u4e0a\u9762\u5f88\u591a\u4eba\u8bf4\u7684\u76f4\u63a5\u5b66 Rust                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134608\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : neoblackcap <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @songtinhuang \u6700\u5feb\u5e94\u8be5\u662f clang \u5427\uff0c\u6211\u770b\u4ed6\u4eec\u633a\u79ef\u6781\u7684\u3002\u4e0d\u8fc7\u561b\uff0c\u5b8c\u6574\u652f\u6301\u5c31\u4e0d\u597d\u8bf4\u3002\u6211\u770b\u5386\u6765\u90fd\u6709\u5404\u79cd\u5404\u6837\u7684\u7279\u6027\u4e0d\u4f1a\u88ab\u5b9e\u73b0                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134609\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : js8510 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6211\u662f\u5728\u73b0\u5728\u516c\u53f8\u5165\u804c\u540e\u5b66\u7684 C++\uff0c\u6211\u4e5f\u5728\u5185\u90e8\u95ee\u8fc7\u7c7b\u4f3c\u95ee\u9898\u3002\u4e0d\u540c\u5927\u4f6c\u7ed9\u4e86\u6211\u4e0d\u540c\u751a\u81f3\u76f8\u53cd\u7684\u610f\u89c1\u3002C++ \u771f\u7684 \u5f88\u7279\u522b\uff0c\u4f60\u8981\u95ee best practices \u6216\u8005 principle\uff0c \u5176\u4ed6\u8bed\u8a00\u4e00\u822c\u90fd\u6709\u4e00\u81f4\u7684\u7b54\u6848\uff0c\u4f46\u662f c++\u5f80\u5f80\u4f1a\u51fa\u73b0\u5206\u6b67\u3002\u6211\u7684\u5efa\u8bae\u662f\u770b\u770b\u5c31\u597d\uff0c\u51ed\u81ea\u5df1\u611f\u89c9\u9009\u5728\u3002\u91cd\u70b9\u662f\u5f00\u59cb\u505a\u3002<\/p>\n<p>\u4ee5\u6211\u5b66\u4e60\u4e0d\u540c\u8bed\u8a00\u7684\u7ecf\u9a8c\uff0c\u6211\u5f53\u65f6\u5c31\u76f4\u63a5\u5f00\u59cb\u505a\u3002\u5199\u4ee3\u7801\uff0c\u5f00\u59cb\u662f\u5185\u90e8\u8bfe\u7a0b\u7684\u4f5c\u4e1a\uff0c\u627e\u7ec4\u91cc\u7684\u4eba\u7ed9\u6211 code review. \u7136\u540e\u662f\u4e00\u4e9b\u7b80\u5355\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u6709\u5176\u4ed6\u4eba\u7ed9\u6211 reivew \u6162\u6162\u5c31\u4e0a\u624b\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134610\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : PepperEgg <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             11 \u8d77\u6b65\u300220 \u592a\u65b0\uff0c\u6ca1\u6709\u591a\u5c11\u7f16\u8bd1\u5668\u652f\u6301\u5168\u90e8\u7279\u6027\u3002\u53e6\u5916 17 \u4e5f\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134611\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : auto8888 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5efa\u8bae C11 \u5173\u952e\u662f\u770b\u4f60\u7684\u4f7f\u7528\u573a\u666f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134612\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lonelygo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5e76\u4e0d\u80fd\uff0c17 \u5bf9\u4e8e\u5927\u591a\u6570\u751f\u4ea7\u9879\u76ee\u6765\u8bf4\u201c\u5df2\u7ecf\u591f\u65b0\u4e86\u201d\u3002<br \/>\u7956\u4f20\u4ee3\u7801 11 \u7684\u8fd8\u6709\u5f88\u591a\u3002<br \/>\u6240\u4ee5\uff0c11 \u5f00\u59cb\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134613\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lonewolfakela <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @neoblackcap \u6309\u7167 https:\/\/en.cppreference.com\/w\/cpp\/compiler_support \u8fd9\u91cc\u7ed9\u51fa\u7684\u4fe1\u606f\uff0cgcc \u3001clang \u3001msvc \u4e09\u5bb6\u91cc\uff0cclang \u7684\u8fdb\u5ea6\u662f\u6700\u6162\u7684\u4e00\u4e2a\u2026\u2026                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134614\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : shfanzie <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4ece 11 \u5f00\u59cb\u5b66                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134615\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : neoblackcap <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @lonewolfakela \u6211\u611f\u89c9\u91cc\u9762\u7684\u7f3a\u7684\u7279\u6027\u66f4\u50cf clang \u4e0d\u4f1a\u53bb\u5b9e\u73b0\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4134616\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : lzhCoooder <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             c++11 \u90fd\u6210\u7956\u4f20\u4ee3\u7801\u4e86&#8230;. \u770b\u4f60\u9700\u6c42\u4e86\u6211\u6709\u4e9b.cc .cpp \u76f4\u63a5\u6539\u540d.c \u90fd\u80fd\u7f16\u8bd1\uff0c\u6211\u89c9\u5f97 c++11 \u548c c99 \u5df2\u7ecf\u8db3\u591f\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u60f3\u5b66 C++\uff0c\u80fd\u4e0d\u80fd\u76f4\u63a5\u4ece\u6700\u65b0\u7684 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