constexprstaticstd::string_viewname(){size_tprefix_len = TypeName<void>::fullname_intern().find("void");size_tmultiple = TypeName<void>::fullname_intern().size() - TypeName<int>::fullname_intern().size();size_t
毫无疑问constexpr确认过程是要反推的，有个神仙用constexpr写了个软光追，据悉计算时间比运行时慢了4600...
毫无疑问constexpr确认过程是要反推的，有个神仙用constexpr写了个软光追，据悉计算时间比运行时慢了4600...
2、lambda with template 3、性能优化利器之constexpr
ENPerson类很明显能够看出区别，不继承object对象，只拥有了doc , module 和 自己定义的name变量, 也就...
constexpr- specifies that the value of a variable,structured binding(since C++26)or function can appear inconstant expressions Explanation Theconstexprspecifier declares that it is possible to evaluate the value of the entities at compile time. Such entities can then be used where only compile time...
constexprdoubled1=2.0/1.0;// OKconstexprdoubled2=2.0/0.0;// 错误:未定义constexprintn=std::numeric_limits<int>::max()+1;// 错误:溢出intx, y, z[30];constexprautoe1=&y-&x;// 错误:未定义constexprautoe2=&z[20]-&z[3];// OKconstexprstd::bitset<2>a;constexprboolb=a[2];/...
{15public:16staticconstexpr auto kDnsaddr =multi::Protocol::Code::DNS_ADDR;1718enumclassError {19INVALID_DNSADDR =1,20MALFORMED_RESPONSE,21BAD_ADDR_IN_RESPONSE,22};2324DnsaddrResolverImpl(std::shared_ptr<boost::asio::io_context>io_context,25constc_ares::Ares &cares);2627voidload(multi::...
constexpr std::vector and std::string in C++20 September 16, 2020 / 0 Comments Probably the most viral keyword in modern C++ is constexpr. With C++20, we have a constexpr std::vector… volatile and Other Small Improvements in C++20 August 17, 2020 / 0 Comments Today, I complete my ...