docs/examples/tutorial/clibraries/queue2.py


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from cython.cimports import cqueue

@cython.cclass
class Queue:
    _c_queue = cython.declare(cython.pointer(cqueue.Queue))

    def __cinit__(self):
        self._c_queue = cqueue.queue_new()
        if self._c_queue is cython.NULL:
            raise MemoryError()