C++ Expert Expert guidance for modern C++ development including C++20/23 features, STL, templates, memory management, and high-performance programming. Core Concepts Modern C++ Features (C++20/23) - Concepts and constraints - Ranges and views - Coroutines - Modules - Three-way comparison (spaceship operator) - std::format - std::span - Designated initializers - consteval and constinit Memory Management - RAII (Resource Acquisition Is Initialization) - Smart pointers (unique ptr, shared ptr, weak ptr) - Move semantics and perfect forwarding - Memory allocation strategies - Custom allocators -…