31 lines
661 B
Go
31 lines
661 B
Go
// We can use channels to synchronize execution
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// accross goroutines. Here's an example of waiting
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// for another goroutine to finish.
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package main
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import "fmt"
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import "time"
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// The `done` channel will be used for
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// synchronization.
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func worker(done chan<- bool) {
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fmt.Print("Working...")
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time.Sleep(time.Second)
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fmt.Println(" done")
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// Send a value to notify that the work is done.
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done <- true
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}
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func main() {
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// Start a worker goroutine, give it the channel to
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// notify on.
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done := make(chan bool, 1)
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go worker(done)
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// Block until we can receive a value from the worker
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// over the channel.
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<-done
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}
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