If "it" includes parallelism then no, libmill has not done it: "Libmill is intended for writing single-threaded applications." http://libmill.org/documentation

If "it" includes parallelism then no, libmill has not done it: "Libmill is intended for writing single-threaded applications." http://libmill.org/documentation.html#multiprocessing http://libmill.org/documentation.html#multiprocessing