C++ Modules Are Here to Stay
Summary
The article explains C++20 modules as a way to encapsulate libraries and reduce header-based fragility, detailing translation units, module units, and export declarations. It covers module partitions, global and private module fragments, and the practicalities of migrating to modules, including compile-time benefits and current tool support, with a minimal CMake setup and cautions about vendor support. It emphasizes the potential for faster builds and cleaner interfaces, while noting backwards compatibility considerations.