problem with lambda / closures
Jussi Piitulainen
jpiitula at ling.helsinki.fi
Tue Dec 1 07:20:58 EST 2009
Terry Reedy writes:
> definitions. Lambda expressions create functions just like def
> statements and are not closures and do not create closure unless
> nested within another function definition. Thinking otherwise is
Seems quite closed in the top level environment to me:
Python 2.3.4 (#1, Jul 16 2009, 07:03:37)
>>> k = 'outer'
>>> f = lambda : k
>>> def test():
... k = 'inner'
... return f()
...
>>> test()
'outer'
>>> k = 'thing'
>>> test()
'thing'
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