cython

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# ticket: t494
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class A:
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    """
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    >>> A.foo = foo
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    >>> A().foo()
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    True
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    """
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    pass
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def foo(self):
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    return self is not None
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def f_plus(a):
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    return a + 1
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class B:
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    """
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    >>> B.plus1(1)
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    2
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    """
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    plus1 = f_plus
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class C(object):
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    """
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    >>> C.plus1(1)
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    2
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    """
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    plus1 = f_plus
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