coroutines that are able to complete synchronously (without blocking)

are returned immediately as a completed:class:`Future`.

This task factory tries to execute the coroutine `coro` immediately

This task factory tries to execute the coroutine ``coro`` immediately

(before creating and scheduling a task to the event loop), until it either

blocks, returns, or raises.

If the coroutine returns or raises, a:class:`Future` is returned, and no