Question

是否有直接将列表/生成器提供给生成器的习惯用法？

lst = [1, 2, 3]
it = my_gen()
next(it)
# can do without i ?
for i in lst:
  it.send(i)

UPD：是否可以将lst链接到一行，删除for和i？

Answer 1

这是使用map和deque来使用迭代器的方法（在此处解释：itertools consume recipie）：

from collections import deque

def my_gen():
    data = ''
    while data is not None:
        print(data)
        data = yield data
    print(data)
    yield data

lst = [1, 2, 3]
it = my_gen()
next(it)  # priming the generator still needs to be done

deque(map(it.send, lst), maxlen=0)

使用generator.send（）在一行中使用多个项目

1 个答案: