This works a bit. But sometimes sharing memory is useful. Sometimes you may want to parallelise a local function, or a callable class instance - except you can'

This works a bit. But sometimes sharing memory is useful. Sometimes you may want to parallelise a local function, or a callable class instance - except you can't. And when I say, "it works", that's clearly on Linux and Mac. On Windows multiprocessing is very severely stunted by lack of forking. Meanwhile, probably even my watch supports threads.