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lihaoyi/ex.py

Created November 14, 2015 05:06
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ex.py
>>> class Foo:
... x = 1
... y = (x, lambda: x)
...
>>> Foo().x
1
>>> Foo().y
(1, <function <lambda> at 0x10754d0c8>)
>>> Foo().y[0]
1
>>> Foo().y[1]
<function <lambda> at 0x10754d0c8>
>>> Foo().y[1]()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 3, in <lambda>
NameError: global name 'x' is not defined
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