ok matthew so what you propose is sync method callback right ?
2018-05-07 17:24 GMT+02:00 <matthewju...@gmail.com>:
> Corrected mistake:
>
> func SignalsCallback(arg1 int, arg2 string, callback chan<- struct{})
>
> SignalsCallback will only write to callback, not read.
>
> Matt
>
> On Monday, May 7, 2018 at 10:08:27 AM UTC-5, matthe...@gmail.com wrote:
>>
>> Callbacks in Go can be done with a func argument to a func, or a similar
>> effect can be made with channels by triggering a callback action by waiting
>> on a blocking channel in the application. This Wikipedia article describes
>> the pattern: https://en.wikipedia.org/wiki/Callback_(computer_programming
>> )
>>
>> // this func executes callback at some point
>> // you can specify any func signature for callback when you construct
>> your own func that calls back
>> func CallsBack(arg1 int, arg2 string, callback func())
>>
>> // this func sends a signal on callback that you listen for on another
>> goroutine to execute your callback action
>> // SignalsCallback may block until callback is read by you, or if the
>> chan is buffered it may continue without callback being read
>> func SignalsCallback(arg1 int, arg2 string, callback <-chan struct{})
>>
>> The difference is that CallsBack will execute callback in order, while
>> SignalsCallback will continue concurrently after callback is read by your
>> goroutine.
>>
>> Matt
>>
>> On Friday, May 4, 2018 at 7:53:13 PM UTC-5, Eduardo Moseis Fuentes wrote:
>>>
>>> HI everyone I´m Eduardo from Guatemala and I'm beginer. I'm interesting
>>> in all scope golang in fact I was download a little book about it, but I
>>> need learn more about callbacks because the book don´t has enough
>>> information on callbacks. May somebody tell me where can I find more
>>> information?. HELP ME PLEASE THANKS God Bless you
>>>
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