On Thu, Oct 3, 2019 at 8:40 AM JuciÊ Andrade <oju...@gmail.com> wrote: > > On Thursday, October 3, 2019 at 10:47:27 AM UTC-3, burak serdar wrote: >> >> On Thu, Oct 3, 2019 at 6:18 AM JuciÊ Andrade <oju...@gmail.com> wrote: >> > I use channels exactly that way and they work pretty well. >> >> Then you're paying some penalty for synchronization where the same >> thing can be achieved without that penalty. >> > > Yes, indeed, but channels offer some significant advantages: > > 1. a division of labor between several goroutines is made possible without > much effort. That can mean a lot, depending on how much complex is the logic > involved in generating each value;
When there are multiple goroutines involved, you have to use channels. > 2. a possibly very complex state is preserved between each generated value > (the execution stack); This I disagree. A list achieves the same purpose without synchronization overhead. > > I would dare to say that a prime number generator is more of an exception, > because the state to be preserved between calls is well understood. Now think > about some evolving code, where you can't know beforehand how complex that > will be some years from now. Channels are a safer bet. Honestly, I don't understand this argument. Complexity of sequential code has got nothing to do with concurrent behavior. If there is no concurrency, then there is no need to use channels. > > Anyway, you are correct: each use must be evaluated in it's pros an cons. You > will see that in the vast majority of cases channels performance is more than > enough. > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/eb84a84c-be8d-4b81-8c5c-33cb09b70168%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAMV2RqrD6U8giuDp0WSNr6Yqtwq7K6JO9J4rqVtKTgtXKC4Ehg%40mail.gmail.com.
