/*
 Equivalent to the following Python function:

 async def async_function(coro: collections.abc.Awaitable) -> None:
    await coro

 */
static PyObject *
async_function(PyObject *self, PyObject *coro)
{
    // Create our transport between the C world and the asynchronous world.
    PyObject *awaitable = PyAwaitable_New();
    if (awaitable == NULL) {
        return NULL;
    }
    // Mark our Python coroutine, *coro*, for being executed by the event loop.
    if (PyAwaitable_AddAwait(awaitable, coro, NULL, NULL) < 0) {
        Py_DECREF(awaitable);
        return NULL;
    }
    // Return our transport, allowing *coro* to be eventually executed.
    return awaitable;
}