[Solved] Go lang, don’t understand what this code does

Question

tick is a channel in Go. If you look at the docs, tick should send something to the channel once each time interval, which is specified by time.Duration(1000/config.Samplerate) * time.Millisecond in your code. <-tick just waits for that time interval to pass.

i keeps track of how many seconds pass, so every time it ticks, you add one to i. The if statement checks when one minute passes.

So, the code inside the if statement fires every 60 seconds, while the code right under the if block fires every second.

Accepted Answer

tick is a channel in Go. If you look at the docs, tick should send something to the channel once each time interval, which is specified by time.Duration(1000/config.Samplerate) * time.Millisecond in your code. <-tick just waits for that time interval to pass.

i keeps track of how many seconds pass, so every time it ticks, you add one to i. The if statement checks when one minute passes.

So, the code inside the if statement fires every 60 seconds, while the code right under the if block fires every second.