C++20 modules and Boost: a prototype

https://anarthal.github.io/cppblog/modules3

A prototype enabling Boost libraries to be used as C++20 modules is presented. A BOOST_USE_MODULES macro toggles between includes and imports via compatibility headers. CMake support, compiled module interfaces and CI tests are described, showing up to 3× build‑time speedup. Current CMake import‑std and MSVC bugs delay integration; further work will resume after fixes.