A basic demonstration of using the context package for setting deadlines across subprocesses
dep ensure -v
go run main.goBy default, we expect to hit the pre-defined context deadline. If you wish to change the timing, edit the time.Sleep() on line 69 to something below 3 seconds. This will let the catch condition (5 pings to google) to succeed and complete the computation defined in the DoSomething() function before the context sends the ctx.Done() signal.
If you have any questions, feel free to create an issue with the tag question and I will try to respond as quickly as possible.