On Sunday, 16 June 2019 at 01:36:38 UTC, Timon Gehr wrote:
It's a bug. It's memory corruption. Different objects with
overlapping
lifetimes use the same memory location.
Okay. Seen that way, it is clear to me why it's a bug.
...
No, it's not the same. Python has no sensible notion of
variable scope.
>>> for i in range(3): pass
...
>>> print(i)
2
Yuck.
I got confused by this Python behavior:
ls = []
for i in range(0, 5):
ls.append(lambda x: x + i)
for fun in ls:
print(fun(0))
This prints:
4
4
4
4
4
