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xevix/iterator_leak.py

Last active June 22, 2017 18:40
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Iterator accessible after its scope ends
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iterator_leak.py
def main():
ary = ['I should never print']
for elem in ary:
pass
other_ary = ['other']
for other_elem in other_ary:
# "elem" hould not be defined here, but this works, because of Python's awful scoping rules
# which scope all variable declarations to the function scope
# See: http://eli.thegreenplace.net/2015/the-scope-of-index-variables-in-pythons-for-loops/
print elem
if __name__ == "__main__":
main()
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