## 동시 Go 프로그램에서 교착 상태를 피하는 방법은 무엇입니까?

<code class="go">// Create a channel for communication between goroutines.
ch := make(chan int)

// Start producer goroutines that send values to the channel.
go producer(ch, 100*time.Millisecond, 2)
go producer(ch, 200*time.Millisecond, 5)

// Indefinite loop to continuously receive values from the channel.
for {
    fmt.Println(<-ch)
}</code>

<code class="go">import (
    "fmt"
    "sync"
    "time"
)

func producer(ch chan int, d time.Duration, num int, wg *sync.WaitGroup) {
    defer wg.Done()

    for i := 0; i < num; i++ {
        ch <- i
        time.Sleep(d)
    }
}

func main() {
    // Create a WaitGroup for coordinating producer completion.
    wg := &sync.WaitGroup{}

    // Initialize the channel for communication between goroutines.
    ch := make(chan int)

    // Start producer goroutines.
    wg.Add(2)
    go producer(ch, 100*time.Millisecond, 2, wg)
    go producer(ch, 200*time.Millisecond, 5, wg)

    // Assign a goroutine to close the channel when all producers have finished.
    go func() {
        wg.Wait()
        close(ch)
    }()

    // Iterate over values from the channel until it's closed.
    for v := range ch {
        fmt.Println(v)
    }
}</code>