How do I use channels in Go?
Channels in Go are used for communication between goroutines. You can create a channel using the make
function.
Can you show me an example of creating and using a channel?
Sure! Here's a simple example:
ch := make(chan int)
go func() {
ch <- 42 // Send value to channel
}()
value := <-ch // Receive value from channel
fmt.Println(value) // Outputs: 42
What happens if I try to send a value to a closed channel?
If you try to send a value to a closed channel, it will cause a panic. Always ensure the channel is open before sending.
How can I close a channel properly?
You can close a channel using the close
function. It's best to close it when no more values will be sent.
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