Message340614
Almost all of python makes the abstraction that ints are a single type of thing, the fact that some ints are too big to store in 8 bytes of memory is abstracted away. This abstraction fails when you try to reverse large ranges.
>>> reversed(range(1<<63))
<longrange_iterator object at 0x7f0925d26660>
>>> reversed(range(1<<63-1))
<range_iterator object at 0x7f0925d26600>
>>> type(reversed(range(1<<63-1)))
<class 'range_iterator'>
>>> type(reversed(range(1<<63)))
<class 'longrange_iterator'>
>>> type(reversed(range(1<<63-2)))==type(reversed(range(1<<63-1)))
True
>>> type(reversed(range(1<<63-1)))==type(reversed(range(1<<63)))
False |
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Date |
User |
Action |
Args |
2019-04-21 16:28:47 | Donald Hobson | set | recipients:
+ Donald Hobson |
2019-04-21 16:28:47 | Donald Hobson | set | messageid: <1555864127.32.0.643984814529.issue36693@roundup.psfhosted.org> |
2019-04-21 16:28:47 | Donald Hobson | link | issue36693 messages |
2019-04-21 16:28:47 | Donald Hobson | create | |
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