destructed\n"; } }; int main() { alignas(Tracer) unsigned char buffer[sizeof(Tracer) * 8]; for (int i = 0; i < 8; ++i) new(buffer + sizeof(Tracer) * i) Tracer{i}; // 手工构造对象 auto ptr = std::launder(reinterpret_
P0137R1 std::launder VS 2017 15.7 17 P0145R3 Refining expression evaluation order P0400R0 Order of evaluation of function arguments VS 2017 15.7 17 P0195R2 Pack expansions in using-declarations VS 2017 15.7 17 P0283R2 Ignoring unrecognized attributes VS 2015 14 C++17 Core lan...
(data+pos);}// 从对齐存储删除对象~static_vector(){for(std::size_tpos=0;pos<m_size;++pos){// 注意: C++17 起需要 std::launderreinterpret_cast<T*>(data+pos)->~T();}}};intmain(){static_vector<std::string,10>v1;v1.emplace_back(5,'*');v1.emplace_back(10,'*');std::cout...
value: "::std::async;::std::launder;::std::remove;::std::remove_if;::std::unique;::std::unique_ptr::release;::std::basic_string::empty;::std::vector::empty;::std::back_inserter;::std::distance;::std::find;::std::find_if;::std::inserter;::std::lower_bound;::std::make...
_cast<Pixel*>(data);while(count-- >0) {new(data) Pixel{std::to_integer<uint8_t>(data[0]),std::to_integer<uint8_t>(data[1]),std::to_integer<uint8_t>(data[2]),std::to_integer<uint8_t>(data[3]) }; data +=sizeof(Pixel); }returnresult;// throw in a std::launder?
std::any - cppreference.com 中文 1、示例一：最基础 #include<iostream>#include<variant>usingname...
# define PYBIND11_STD_LAUNDER std::launder # define PYBIND11_HAS_STD_LAUNDER 1 #else # define PYBIND11_STD_LAUNDER # define PYBIND11_HAS_STD_LAUNDER 0 #endif #if defined(__GNUG__) && !defined(__clang__) # include <cxxabi.h> ...
P0137R1 std::launder VS 2017 15.7 17 P0145R3 Refining expression evaluation order P0400R0 Order of evaluation of function arguments VS 2017 15.7 17 P0195R2 Pack expansions in using-declarations VS 2017 15.7 17 P0283R2 Ignoring unrecognized attributes VS 2015 14 P0702R1 ...
CMake是一个跨平台的开源构建工具,用于管理软件构建过程。在CMake中,字符串替换的行为可能会有以下几种情况: 1. 字符串替换是基于正则表达式进行的。CMake使用正则表达式来匹配和替换字符串...
__builtin_launder used in libc++ has different return type in C++17 CPP-46173 False positive for CODSTA-CPP-53 and JSF-117.1 CPP-46177 MISRA2004-14_2 (MISRAC2012-RULE_2_2-a) reports false positive when cast is used in array dimension of function parameter CPP-46186 False positive for...