pub unsafe fn PyBytesWriter_GetSize(writer: *mut PyBytesWriter) -> isizeAvailable on
docsrs or not (Py_3_15 and non-Py_LIMITED_API) only.pub unsafe fn PyBytesWriter_GetSize(writer: *mut PyBytesWriter) -> isizedocsrs or not (Py_3_15 and non-Py_LIMITED_API) only.