1 Hunan Provincial People's Hospital, Changsha, Hunan Province, China 2 The University of Sydney, Darlington, New South Wales, Australia The final, formatted version of the article will be published ...

Abstract: Callback functions are widely used across programming languages, libraries, and operating systems. While offering flexible software design, these mechanisms introduce inherently complex ...

For now if you try to run, it will raise error that return type is not awaitable. mistakenly i forgot to add async before my callback function and when i tried to run ...