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

begin/end iterator pair, but does not replace them  Why ranges?  Provide nicer and easier to read syntax: vector data { 11, 22, 33 }; sort(begin(data), end(data)); ranges::sort(data);  Eliminate mismatching you need to be explicit, so: [=, this]27 Templated Lambda Expressions  Use familiar template syntax with lambda expressions [] (T x) { /* ... */ } [] (T* p) { /* ... */ }

Optimization Testing • npm i v8-natives --save • Edit your app/package.json • Add --allow-native-syntax to v8Flags V8 Natives • Docs: https://github.com/NathanaelA/v8-Natives • Gives you access to low

mybutton { color: green; } o ID o #myButton { color: #f7f7f7; } Sass & LESS o Use Sass or LESS syntax o Auto-compiled $ tns install sass OR $ tns install less Progress NativeScript UI nativescript

Rust 语言并没有提供异步并发框架， 只提供异步所需的基本特性：  Future  async / await  Waker asyn c Future Waker poll Syntax sugar wake await Rust 异步机制 Asynchronous Rust Rust 异步机制 Asynchronous Rust Waker Task Future

proposes these concepts and algorithms, among others.8 EXAMPLE: LAUNCHING CONCURRENT WORK Use pipe syntax if you want to. namespace ex = std::execution; int compute_intensive(int); int main() { un

Containers Heterogeneous Erasure  Removed Features  Garbage Collection Support13 if consteval  Syntax: if consteval { /* A */ } else { /* B */ }  No condition  Braces are mandatory  Effect: 