afaik sync can call async if the language allows you to make an executor/event-loop. e.g. with python's asyncio it'd be something like def sync_foo(): ta

afaik sync can call async if the language allows you to make an executor/event-loop. e.g. with python's asyncio it'd be something like def sync_foo(): task = async_bar() loop = asyncio.new_event_loop() return loop.run_until_complete(task) after all, unless the loop is built into the language (like JS), you need bootstrap the async code somehow