cython

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from cython cimport typeof
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def call2():
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    """
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    >>> call2()
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    """
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    b(1,2)
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def call3():
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    """
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    >>> call3()
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    """
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    b(1,2,3)
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def call4():
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    """
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    >>> call4()
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    """
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    b(1,2,3,4)
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# the called function:
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cdef b(a, b, c=1, d=2):
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    pass
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cdef int foo(int a, int b=1, int c=1):
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    return a+b*c
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def test_foo():
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    """
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    >>> test_foo()
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    2
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    3
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    7
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    26
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    """
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    print foo(1)
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    print foo(1, 2)
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    print foo(1, 2, 3)
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    print foo(1, foo(2, 3), foo(4))
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cdef class A:
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    cpdef method(self):
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        """
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        >>> A().method()
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        'A'
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        """
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        return typeof(self)
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cdef class B(A):
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    cpdef method(self, int x = 0):
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        """
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        >>> B().method()
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        ('B', 0)
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        >>> B().method(100)
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        ('B', 100)
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        """
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        return typeof(self), x
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cdef class C(B):
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    cpdef method(self, int x = 10):
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        """
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        >>> C().method()
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        ('C', 10)
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        >>> C().method(100)
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        ('C', 100)
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        """
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        return typeof(self), x
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