!= 运算符从 operator== 运算符合成。 (C++20 起)参数rhs - 要比较的另一个类型信息对象 返回值若比较关系成立则为 true,否则为 false。 注解功能特性测试宏值标准功能特性 __cpp_lib_constexpr_typeinfo 202106L (C++23) std::type_info::operator== 的constexpr ...
warning: failed to compute relocation: IMAGE_REL_I386_REL32, Invalid data was encountered while parsing the file lld-link: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const >>> defined at C:/tools/msys64/mingw32/include/c++/10.3.0/typeinfo:121 >>> obje...
asio包含errorcode参数的函数，不会抛出异常 可以尝试connect之后，判断错误码， boost::asio::error::...
Skip to site navigation (Press enter) [Bug libstdc++/110572] ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const redi at gcc dot gnu.org via Gcc-bugs Fri, 31 May 2024 06:23:53 -0700 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110572 ---...
#ifndef __GXX_TYPEINFO_EQUALITY_INLINE -# if !__GXX_WEAK__ +# if !__GXX_WEAK__ || defined(_WIN32) # define __GXX_TYPEINFO_EQUALITY_INLINE 0 # else # define __GXX_TYPEINFO_EQUALITY_INLINE 1 @@ -188,6 +188,9 @@ namespace std #endif #if __GXX_TYPEINFO_EQUALITY_INLINE |...
__cpp_lib_constexpr_typeinfo 202106L (C++23) Constexpr for std::type_info::operator== Example Run this code #include <iostream> #include <string> #include <typeinfo> #include <utility> class person { public: explicit person(std::string n) : name_(std::move(n)) {} virtual const...
[Bug libstdc++/110572] ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const redi at gcc dot gnu.org via Gcc-bugsFri, 31 May 2024 07:19:03 -0700 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110572 ...
[Bug libstdc++/110572] ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const redi at gcc dot gnu.org via Gcc-bugs Fri, 31 May 2024 06:44:51 -0700 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110572 --- Comment #7 from Jonathan Wakely <...
[Bug libstdc++/110572] ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const rguenth at gcc dot gnu.org via Gcc-bugsThu, 20 Jun 2024 02:42:20 -0700 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110572 ...
[Bug libstdc++/110572] ld.lld: error: duplicate symbol: std::type_info::operator==(std::type_info const&) const redi at gcc dot gnu.org via Gcc-bugs Fri, 14 Jun 2024 09:33:22 -0700 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110572 --- Comment #15 from Jonathan Wakely <...