35 lines
891 B
Go
35 lines
891 B
Go
// We can use channels to synchronize execution
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// across goroutines. Here's an example of using a
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// blocking receive to wait for a goroutine to finish.
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// When waiting for multiple goroutines to finish,
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// you may prefer to [use a WaitGroup](waiting-for-goroutines-to-finish).
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package main
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import "fmt"
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import "time"
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// This is the function we'll run in a goroutine. The
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// `done` channel will be used to notify another
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// goroutine that this function's work is done.
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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 we're 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, giving 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 receive a notification from the
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// worker on the channel.
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<-done
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}
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