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Introduction to Modern C++ (C++11/14/17/20) This guide documents key features from the Modern C++ Tutorial: Quick Start with C++11/14/17/20. Chapter 2: Core Language Enhancements Compile-time Constants with constexpr The constexpr keyword allows expressions to be evaluated at compile time, enabling optimizations. constexpr int fibonacci_sequenc ...

Overview C++17 introduced three utility types commonly referred to as the "trio": std::optional, std::any, and std::variant. This article focuses on std::any, a type-safe container designed to hold a single value of any copy-constructible type. The class is defined in the <any> header: namespace std { class any; } Unlike templa ...