我确实需要显式地为委托\u生成器初始化,但是我不需要为子\u生成器这样做。为什么会是这种情况,'yield from'关键字组合会隐式地为它所委托的子\u生成器加素数
pep380—委托给子生成器的语法 https://www.python.org/dev/peps/pep-0380/
def caller(return_value):
delegating_gen = delegating_generator(return_value)
next(delegating_gen) # priming the delegating generator
# Here send some values to the subgenerator
delegating_gen.send('some data for the subgenerator')
delegating_gen.send(None) # terminate the subgenerator
return return_value
def delegating_generator(return_value):
while True:
return_value = yield from sub_generator()
def sub_generator():
total = 0
while True:
value = yield
if value is None:
break
total += value
return total
目前没有回答
相关问题 更多 >
编程相关推荐