cython

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import cython
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def func():
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    # Cython types are evaluated as for cdef declarations
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    x: cython.int               # cdef int x
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    y: cython.double = 0.57721  # cdef double y = 0.57721
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    z: cython.float = 0.57721   # cdef float z  = 0.57721
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    # Python types shadow Cython types for compatibility reasons
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    a: float = 0.54321          # cdef double a = 0.54321
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    b: int = 5                  # cdef object b = 5
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    c: long = 6                 # cdef object c = 6
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    pass
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@cython.cclass
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class A:
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    a: cython.int
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    b: cython.int
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    def __init__(self, b=0):
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        self.a = 3
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        self.b = b
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