cython

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# mode: run
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# tag: builtin, callable
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cimport cython
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@cython.test_assert_path_exists("//SimpleCallNode[@type.is_pyobject = False]")
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def test_callable(x):
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    """
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    >>> test_callable(None)
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    False
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    >>> test_callable('ABC')
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    False
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    >>> class C: pass
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    >>> test_callable(C)
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    True
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    >>> test_callable(C())
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    False
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    >>> test_callable(int)
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    True
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    >>> test_callable(test_callable)
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    True
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    """
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    b = callable(x)
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    return b
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