std; int main() { static constexpr array skipped_extensions{".dll"sv, ".exe"sv, ".obj"sv}; static_assert(ranges::is_sorted(skipped_extensions)); for (const auto& ent : filesystem::recursiv string extension = ent.path().extension().string(); if (ranges::binary_search(skipped_extensions, extension)) { continue; } // ... } }15 Erasing Elements16

integration of link counting (as in Folly)? • Maybe deprecate global cleanup in Folly? • Other extensions: • Quasi-synchronous on-demand asynchronous reclamation? Minimal Proposal for C++26 Hazard Pointer References  Folly github.com/facebook/folly under folly/synchronization/Hazptr.h  Working Draft, Extensions to C++ for Concurrency Version 2 (wg21.link/n4895).  Hazard Pointers: Safe Memory Reclamation

Marshall • A GitHub project tracking the issues, PRs, discussions, etc. related to C++20 chrono: Extensions to (github.com) • Feature branch (feature/chrono) for rapid development and collaboration

https://crascit.com/2015/03/28/enabling-cxx11-in-cmake/ 设置 C++ 标准： CMAKE_CXX_STANDARD 变量 • CMAKE_CXX_EXTENSIONS 也是 BOOL 类型，默认为 ON 。设为 ON 表示启用 GCC 特有的一些扩展功能； OFF 则关闭 GCC 的扩展功能，只使用标准的 C++ 。 • 要兼容其他编译器（如 MSVC