def transition(self, state, data=None) -> Promise:
async def do_side_effects():
await asyncio.wait(map(
lambda f: asyncio.ensure_future(f()),
self._transition_table[(self.state.name, state.name)]
))
self.state = state
return Promise.promisify(asyncio.ensure_future(do_side_effects()))
def promise_factorial(n):
if n < 2:
return 1
sleep(.02)
a = executor.submit(promise_factorial, n - 1)
def promise_then(r):
return mul(r, n)
return Promise.promisify(a).then(promise_then)
def promise_factorial(n):
if n < 2:
return 1
sleep(.02)
a = executor.submit(promise_factorial, n - 1)
return Promise.promisify(a).then(lambda r: mul(r, n))
