There is a third-party library that does some doIt () work for a very long time. You can run the execution of this function in a separate gorutin, but how to stop its implementation ahead of time?

func doIt() { // очень долго работает } func main() { result := make(chan int) go func() { result <- doIt() }{} fmt.Println(<-result) }
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1 answer 1

If the creators of the library did not give you the opportunity to transfer a context or at least just a channel to the gorutin, then no. Technically, gorutin has identifiers, but they are hidden from "userspace".