cython

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from cython.cimports import cqueue
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@cython.cclass
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class Queue:
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    _c_queue = cython.declare(cython.pointer(cqueue.Queue))
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    def __cinit__(self):
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        self._c_queue = cqueue.queue_new()
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        if self._c_queue is cython.NULL:
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            raise MemoryError()
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