08/06/17 12:42:35
>>153
相変わらずよくわからんが
def holder(seq):
l = []
for x in seq:
l.append(x)
yield l[:]
こんな感じのを作れば任意のイタレータを追跡できるんじゃね
効率悪そうだけど
>>> for x in holder(xrange(10)):
... print x
...
[0]
[0, 1]
[0, 1, 2]
[0, 1, 2, 3]
[0, 1, 2, 3, 4]
[0, 1, 2, 3, 4, 5]
[0, 1, 2, 3, 4, 5, 6]
[0, 1, 2, 3, 4, 5, 6, 7]
[0, 1, 2, 3, 4, 5, 6, 7, 8]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]